killbill-memoizeit

Changes

account/pom.xml 2(+1 -1)

api/pom.xml 6(+5 -1)

beatrix/pom.xml 2(+1 -1)

catalog/pom.xml 2(+1 -1)

invoice/pom.xml 2(+1 -1)

payment/pom.xml 2(+1 -1)

pom.xml 3(+2 -1)

util/pom.xml 11(+5 -6)

Details

account/pom.xml 2(+1 -1)

diff --git a/account/pom.xml b/account/pom.xml
index f92d35b..8d87ed2 100644
--- a/account/pom.xml
+++ b/account/pom.xml
@@ -13,7 +13,7 @@
     <parent>
         <groupId>com.ning.billing</groupId>
         <artifactId>killbill</artifactId>
-        <version>0.0.13-SNAPSHOT</version>
+        <version>0.0.14-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>killbill-account</artifactId>
diff --git a/analytics/pom.xml b/analytics/pom.xml
index cb22965..3755178 100644
--- a/analytics/pom.xml
+++ b/analytics/pom.xml
@@ -13,7 +13,7 @@
     <parent>
         <groupId>com.ning.billing</groupId>
         <artifactId>killbill</artifactId>
-        <version>0.0.13-SNAPSHOT</version>
+        <version>0.0.14-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>killbill-analytics</artifactId>
diff --git a/analytics/src/main/java/com/ning/billing/analytics/AnalyticsListener.java b/analytics/src/main/java/com/ning/billing/analytics/AnalyticsListener.java
index 63c7a06..fbbe2b8 100644
--- a/analytics/src/main/java/com/ning/billing/analytics/AnalyticsListener.java
+++ b/analytics/src/main/java/com/ning/billing/analytics/AnalyticsListener.java
@@ -16,22 +16,23 @@
 
 package com.ning.billing.analytics;
 
+import com.google.common.eventbus.Subscribe;
 import com.google.inject.Inject;
 import com.ning.billing.account.api.IAccount;
 import com.ning.billing.account.api.IAccountUserApi;
 import com.ning.billing.analytics.dao.BusinessSubscriptionTransitionDao;
 import com.ning.billing.catalog.api.Currency;
-import com.ning.billing.entitlement.api.user.IApiListener;
 import com.ning.billing.entitlement.api.user.IEntitlementUserApi;
 import com.ning.billing.entitlement.api.user.ISubscriptionBundle;
 import com.ning.billing.entitlement.api.user.ISubscriptionTransition;
+
 import org.joda.time.DateTime;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.util.List;
 
-public class AnalyticsListener implements IApiListener
+public class AnalyticsListener
 {
     private static final Logger log = LoggerFactory.getLogger(AnalyticsListener.class);
 
@@ -47,42 +48,67 @@ public class AnalyticsListener implements IApiListener
         this.accountApi = accountApi;
     }
 
-    @Override
+    /*
+     * Disable until we fix IRS to allow for two instances (One for bilr proxy, or for killbill)
+     * @Subscribe
+     */
+    public void handleNotificationChange(ISubscriptionTransition event) {
+        switch (event.getTransitionType()) {
+        case CREATE:
+            subscriptionCreated(event);
+            break;
+        case CANCEL:
+            subscriptionCancelled(event);
+            break;
+        case CHANGE:
+            subscriptionChanged(event);
+            break;
+        case PAUSE:
+            subscriptionPaused(event);
+            break;
+        case RESUME:
+            subscriptionResumed(event);
+            break;
+        case UNCANCEL:
+            break;
+        case PHASE:
+            subscriptionPhaseChanged(event);
+            break;
+        default:
+            throw new RuntimeException("Unexpected event type " + event.getRequestedTransitionTime());
+        }
+    }
+
     public void subscriptionCreated(final ISubscriptionTransition created)
     {
         final BusinessSubscriptionEvent event = BusinessSubscriptionEvent.subscriptionCreated(created.getNextPlan());
         recordTransition(event, created);
     }
 
-    @Override
     public void subscriptionCancelled(final ISubscriptionTransition cancelled)
     {
         final BusinessSubscriptionEvent event = BusinessSubscriptionEvent.subscriptionCancelled(cancelled.getNextPlan());
         recordTransition(event, cancelled);
     }
 
-    @Override
     public void subscriptionChanged(final ISubscriptionTransition changed)
     {
         final BusinessSubscriptionEvent event = BusinessSubscriptionEvent.subscriptionChanged(changed.getNextPlan());
         recordTransition(event, changed);
     }
 
-    @Override
     public void subscriptionPaused(final ISubscriptionTransition paused)
     {
         final BusinessSubscriptionEvent event = BusinessSubscriptionEvent.subscriptionPaused(paused.getNextPlan());
         recordTransition(event, paused);
     }
 
-    @Override
     public void subscriptionResumed(final ISubscriptionTransition resumed)
     {
         final BusinessSubscriptionEvent event = BusinessSubscriptionEvent.subscriptionResumed(resumed.getNextPlan());
         recordTransition(event, resumed);
     }
 
-    @Override
     public void subscriptionPhaseChanged(final ISubscriptionTransition phaseChanged)
     {
         final BusinessSubscriptionEvent event = BusinessSubscriptionEvent.subscriptionPhaseChanged(phaseChanged.getNextPlan(), phaseChanged.getNextState());

api/pom.xml 6(+5 -1)

diff --git a/api/pom.xml b/api/pom.xml
index ad67258..5385aad 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -13,7 +13,7 @@
     <parent>
         <groupId>com.ning.billing</groupId>
         <artifactId>killbill</artifactId>
-        <version>0.0.13-SNAPSHOT</version>
+        <version>0.0.14-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>killbill-api</artifactId>
@@ -26,6 +26,10 @@
             <scope>provided</scope>
         </dependency>
         <dependency>
+            <groupId>org.jdbi</groupId>
+            <artifactId>jdbi</artifactId>
+        </dependency>
+        <dependency>
             <groupId>com.google.inject</groupId>
             <artifactId>guice</artifactId>
             <scope>provided</scope>
diff --git a/api/src/main/java/com/ning/billing/entitlement/api/IEntitlementService.java b/api/src/main/java/com/ning/billing/entitlement/api/IEntitlementService.java
index ddcdf0c..4547119 100644
--- a/api/src/main/java/com/ning/billing/entitlement/api/IEntitlementService.java
+++ b/api/src/main/java/com/ning/billing/entitlement/api/IEntitlementService.java
@@ -16,11 +16,8 @@
 
 package com.ning.billing.entitlement.api;
 
-import java.util.List;
-
 import com.ning.billing.entitlement.api.billing.IEntitlementBillingApi;
 import com.ning.billing.entitlement.api.test.IEntitlementTestApi;
-import com.ning.billing.entitlement.api.user.IApiListener;
 import com.ning.billing.entitlement.api.user.IEntitlementUserApi;
 import com.ning.billing.lifecycle.IService;
 
@@ -30,7 +27,7 @@ public interface IEntitlementService extends IService {
     @Override
     public String getName();
 
-    public IEntitlementUserApi getUserApi(List<IApiListener> listeners);
+    public IEntitlementUserApi getUserApi();
 
     public IEntitlementBillingApi getBillingApi();
 
diff --git a/api/src/main/java/com/ning/billing/entitlement/api/user/IEntitlementUserApi.java b/api/src/main/java/com/ning/billing/entitlement/api/user/IEntitlementUserApi.java
index c3f79dc..f45f450 100644
--- a/api/src/main/java/com/ning/billing/entitlement/api/user/IEntitlementUserApi.java
+++ b/api/src/main/java/com/ning/billing/entitlement/api/user/IEntitlementUserApi.java
@@ -27,8 +27,6 @@ import com.ning.billing.catalog.api.BillingPeriod;
 
 public interface IEntitlementUserApi {
 
-    public void initialize(List<IApiListener> listeners);
-
     public ISubscriptionBundle getBundleFromId(UUID id);
 
     public ISubscription getSubscriptionFromId(UUID id);
diff --git a/api/src/main/java/com/ning/billing/entitlement/api/user/ISubscriptionTransition.java b/api/src/main/java/com/ning/billing/entitlement/api/user/ISubscriptionTransition.java
index d4e1a5a..718c28a 100644
--- a/api/src/main/java/com/ning/billing/entitlement/api/user/ISubscriptionTransition.java
+++ b/api/src/main/java/com/ning/billing/entitlement/api/user/ISubscriptionTransition.java
@@ -23,9 +23,21 @@ import org.joda.time.DateTime;
 import com.ning.billing.catalog.api.IPlan;
 import com.ning.billing.catalog.api.IPlanPhase;
 import com.ning.billing.entitlement.api.user.ISubscription.SubscriptionState;
+import com.ning.billing.util.eventbus.IEventBusType;
 
-public interface ISubscriptionTransition {
+public interface ISubscriptionTransition extends IEventBusType {
 
+    public enum SubscriptionTransitionType {
+        CREATE,
+        CHANGE,
+        PAUSE,
+        RESUME,
+        CANCEL,
+        UNCANCEL,
+        PHASE
+    }
+
+    SubscriptionTransitionType getTransitionType();
 
     UUID getBundleId();
 
diff --git a/api/src/main/java/com/ning/billing/lifecycle/LyfecycleHandlerType.java b/api/src/main/java/com/ning/billing/lifecycle/LyfecycleHandlerType.java
index 520fca4..af15dea 100644
--- a/api/src/main/java/com/ning/billing/lifecycle/LyfecycleHandlerType.java
+++ b/api/src/main/java/com/ning/billing/lifecycle/LyfecycleHandlerType.java
@@ -20,6 +20,10 @@ import java.lang.annotation.ElementType;
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
+import java.util.Collections;
+import java.util.List;
+
+import com.google.common.collect.Lists;
 
 @Retention(RetentionPolicy.RUNTIME)
 @Target(ElementType.METHOD)
@@ -29,51 +33,55 @@ public @interface LyfecycleHandlerType {
     //
     // The level themselves are still work in progress depending on what we really need
     //
+    // Ordering is important in that enum
+    //
     public enum LyfecycleLevel {
 
         /**
          * Load and validate catalog (only for catalog subsytem)
          */
-        LOAD_CATALOG(Sequence.STARTUP),
+        LOAD_CATALOG(Sequence.STARTUP_PRE_EVENT_REGISTRATION),
         /**
          * Initialize event bus (only for the event bus)
          */
-        INIT_BUS(Sequence.STARTUP),
+        INIT_BUS(Sequence.STARTUP_PRE_EVENT_REGISTRATION),
         /**
-         * Service specific initalization
+         * Service specific initalization-- service does not start yet
          */
-        INIT_SERVICE(Sequence.STARTUP),
+        INIT_SERVICE(Sequence.STARTUP_PRE_EVENT_REGISTRATION),
         /**
          * Service register their interest in events
          */
-        REGISTER_EVENTS(Sequence.STARTUP),
+        REGISTER_EVENTS(Sequence.STARTUP_PRE_EVENT_REGISTRATION),
         /**
          * Service start
          * - API call should not work
          * - Events might be triggered
          * - Batch processing jobs started
          */
-        START_SERVICE(Sequence.STARTUP),
+        START_SERVICE(Sequence.STARTUP_POST_EVENT_REGISTRATION),
         /**
          * Stop service
          */
-        STOP_SERVICE(Sequence.SHUTOWN),
+        STOP_SERVICE(Sequence.SHUTOWN_PRE_EVENT_UNREGISTRATION),
         /**
          * Unregister interest in events
          */
-        UNREGISTER_EVENTS(Sequence.SHUTOWN),
+        UNREGISTER_EVENTS(Sequence.SHUTOWN_PRE_EVENT_UNREGISTRATION),
         /**
          * Stop bus
          */
-        STOP_BUS(Sequence.SHUTOWN),
+        STOP_BUS(Sequence.SHUTOWN_POST_EVENT_UNREGISTRATION),
         /**
          * Any service specific shutdown action before the end
          */
-        SHUTDOWN(Sequence.SHUTOWN);
+        SHUTDOWN(Sequence.SHUTOWN_POST_EVENT_UNREGISTRATION);
 
         public enum Sequence {
-            STARTUP,
-            SHUTOWN
+            STARTUP_PRE_EVENT_REGISTRATION,
+            STARTUP_POST_EVENT_REGISTRATION,
+            SHUTOWN_PRE_EVENT_UNREGISTRATION,
+            SHUTOWN_POST_EVENT_UNREGISTRATION
         };
 
         private Sequence seq;
@@ -85,6 +93,19 @@ public @interface LyfecycleHandlerType {
         public Sequence getSequence() {
             return seq;
         }
+
+        //
+        // Returns an ordered list of level for a particular sequence
+        //
+        public static List<LyfecycleLevel> getLevelsForSequence(Sequence seq) {
+            List<LyfecycleLevel> result = Lists.newLinkedList();
+            for (LyfecycleLevel level : LyfecycleLevel.values()) {
+                if (level.getSequence() == seq) {
+                    result.add(level);
+                }
+            }
+            return result;
+        }
     }
 
     public LyfecycleLevel value();
diff --git a/api/src/main/java/com/ning/billing/util/eventbus/IEventBus.java b/api/src/main/java/com/ning/billing/util/eventbus/IEventBus.java
new file mode 100644
index 0000000..90ab0bc
--- /dev/null
+++ b/api/src/main/java/com/ning/billing/util/eventbus/IEventBus.java
@@ -0,0 +1,108 @@
+/*
+ * Copyright 2010-2011 Ning, Inc.
+ *
+ * Ning licenses this file to you under the Apache License, version 2.0
+ * (the "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at:
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ */
+
+package com.ning.billing.util.eventbus;
+
+import org.skife.jdbi.v2.sqlobject.mixins.Transmogrifier;
+import com.google.common.eventbus.Subscribe;
+
+
+/**
+ *
+ * EventBus API based on the guava EventBus API
+ *
+ * The API also provides an API to send events from within a transaction
+ * with the guarantee that the event will be delivered if and only if
+ * the transaction completes. If the implementation is not based on a
+ * DB, this API is behaves the same as the regular post() call.
+ *
+ */
+public interface IEventBus {
+
+
+    public class EventBusException extends Exception {
+
+        private static final long serialVersionUID = 12355236L;
+
+        public EventBusException() {
+            super();
+        }
+        public EventBusException(String message, Throwable cause) {
+            super(message, cause);
+        }
+
+        public EventBusException(String message) {
+            super(message);
+        }
+    }
+
+    /**
+     * Start accepting events and dispatching them
+     *
+     */
+    public void start();
+
+    /**
+     * Stop accepting events and flush event queue before it returns.
+     *
+     */
+    public void stop();
+
+    /**
+     *
+     * Registers all handler methods on {@code object} to receive events.
+     * Handler methods need to be Annotated with {@link Subscribe}
+     *
+     * @param handlerInstance
+     *
+     *  @throws EventBusException if bus not been started yet
+     */
+    public void register(Object handlerInstance) throws EventBusException;
+
+
+    /**
+     * Unregister the handler for a particular type of event
+     *
+     * @param handlerInstance
+     * @throws EventBusException
+     */
+    public void unregister(Object handlerInstance) throws EventBusException;
+
+
+    /**
+     * Post an event asynchronously
+     *
+     * @param event to be posted
+     *
+     *  @throws EventBusException if bus not been started yet
+     */
+    public void post(IEventBusType event) throws EventBusException;
+
+    /**
+     *
+     * Post an event from within a transaction.
+     * Guarantees that the event is persisted on disk from within the same transaction
+     *
+     *
+     * @param event to be posted
+     * @param dao a valid DAO object obtained through the DBI.onDeamand() API.
+     *
+     *  @throws EventBusException if bus not been started yet
+     */
+    public void postFromTransaction(IEventBusType event, Transmogrifier dao) throws EventBusException;
+
+
+}

beatrix/pom.xml 2(+1 -1)

diff --git a/beatrix/pom.xml b/beatrix/pom.xml
index a8c5515..3571e7d 100644
--- a/beatrix/pom.xml
+++ b/beatrix/pom.xml
@@ -13,7 +13,7 @@
     <parent>
         <groupId>com.ning.billing</groupId>
         <artifactId>killbill</artifactId>
-        <version>0.0.13-SNAPSHOT</version>
+        <version>0.0.14-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>killbill-beatrix</artifactId>
diff --git a/beatrix/src/main/java/com/ning/billing/beatrix/lifecycle/Lifecycle.java b/beatrix/src/main/java/com/ning/billing/beatrix/lifecycle/Lifecycle.java
index 6abdb75..f091a81 100644
--- a/beatrix/src/main/java/com/ning/billing/beatrix/lifecycle/Lifecycle.java
+++ b/beatrix/src/main/java/com/ning/billing/beatrix/lifecycle/Lifecycle.java
@@ -20,6 +20,7 @@ import java.lang.reflect.Method;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.Iterator;
+import java.util.List;
 import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.CopyOnWriteArraySet;
@@ -74,21 +75,27 @@ public class Lifecycle {
         }
     }
 
-    public void fireStartupSequence() {
-        for (LyfecycleLevel level : LyfecycleLevel.values()) {
-            if (level.getSequence() == Sequence.SHUTOWN) {
-                break;
-            }
-            doFireStage(level);
-        }
+
+    public void fireStartupSequencePriorEventRegistration() {
+        fireSequence(Sequence.STARTUP_PRE_EVENT_REGISTRATION);
     }
 
-    public void fireShutdownSequence() {
-        for (LyfecycleLevel level : LyfecycleLevel.values()) {
-            if (level.getSequence() == Sequence.STARTUP) {
-                continue;
-            }
-            doFireStage(level);
+    public void fireStartupSequencePostEventRegistration() {
+        fireSequence(Sequence.STARTUP_POST_EVENT_REGISTRATION);
+    }
+
+    public void fireShutdownSequencePriorEventUnRegistration() {
+        fireSequence(Sequence.SHUTOWN_PRE_EVENT_UNREGISTRATION);
+    }
+
+    public void fireShutdownSequencePostEventUnRegistration() {
+        fireSequence(Sequence.SHUTOWN_POST_EVENT_UNREGISTRATION);
+    }
+
+    private void fireSequence(Sequence seq) {
+        List<LyfecycleLevel> levels = LyfecycleLevel.getLevelsForSequence(seq);
+        for (LyfecycleLevel cur : levels) {
+            doFireStage(cur);
         }
     }
 
@@ -103,12 +110,13 @@ public class Lifecycle {
                 log.info("Killbill lifecycle calling handler {} for service {}", cur.getMethod().getName(), target.getName());
                 method.invoke(target);
             } catch (Exception e) {
-                log.warn("Killbill lifecycle failed to invoke lifecycle handler", e);
+                logWarn("Killbill lifecycle failed to invoke lifecycle handler", e);
             }
         }
 
     }
 
+
     private Set<? extends IService> findServices() {
 
         Set<IService> result = new HashSet<IService>();
@@ -120,7 +128,7 @@ public class Lifecycle {
                 log.debug("got instance {}", instance.getName());
                 result.add(instance);
             } catch (Exception e) {
-                log.warn("Failed to inject " + cur.getName(), e);
+                logWarn("Failed to inject " + cur.getName(), e);
             }
 
         }
@@ -128,9 +136,13 @@ public class Lifecycle {
     }
 
 
+    // Used to disable valid injection failure from unit tests
+    protected void logWarn(String msg, Exception e) {
+        log.warn(msg, e);
+    }
+
     public Multimap<LyfecycleLevel, LifecycleHandler<? extends IService>> findAllHandlers(IService service) {
-        Multimap<LyfecycleLevel, LifecycleHandler<? extends IService>> methodsInService =
-            HashMultimap.create();
+        Multimap<LyfecycleLevel, LifecycleHandler<? extends IService>> methodsInService = HashMultimap.create();
         Class<? extends IService> clazz = service.getClass();
         for (Method method : clazz.getMethods()) {
             LyfecycleHandlerType annotation = method.getAnnotation(LyfecycleHandlerType.class);
diff --git a/beatrix/src/main/java/com/ning/billing/beatrix/lifecycle/ServiceFinder.java b/beatrix/src/main/java/com/ning/billing/beatrix/lifecycle/ServiceFinder.java
index fe3f0c5..6916cf1 100644
--- a/beatrix/src/main/java/com/ning/billing/beatrix/lifecycle/ServiceFinder.java
+++ b/beatrix/src/main/java/com/ning/billing/beatrix/lifecycle/ServiceFinder.java
@@ -99,10 +99,16 @@ public class ServiceFinder {
 	        File classPath = new File( (URL.class).isInstance(classPaths[h]) ?
 	                ((URL)classPaths[h]).getFile() : classPaths[h].toString());
 	        if (classPath.isDirectory()) {
+
+                log.debug("DIR : " + classPath);
+
 	            List<String> dirListing = new ArrayList<String>();
 	            recursivelyListDir(dirListing, classPath, new StringBuffer() );
 	            files = Collections.enumeration( dirListing );
 	        } else if (classPath.getName().endsWith(".jar")) {
+
+	            log.debug("JAR : " + classPath);
+
 	            String [] jarParts = classPath.getName().split("/");
 	            String jarName = jarParts[jarParts.length - 1];
 	            if (jarFilter != null && jarName != null && ! jarName.startsWith(jarFilter)) {
diff --git a/beatrix/src/test/java/com/ning/billing/beatrix/lifecycle/TestLifecycle.java b/beatrix/src/test/java/com/ning/billing/beatrix/lifecycle/TestLifecycle.java
index f85232f..791b2fe 100644
--- a/beatrix/src/test/java/com/ning/billing/beatrix/lifecycle/TestLifecycle.java
+++ b/beatrix/src/test/java/com/ning/billing/beatrix/lifecycle/TestLifecycle.java
@@ -18,15 +18,16 @@ package com.ning.billing.beatrix.lifecycle;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.testng.Assert;
 import org.testng.annotations.BeforeClass;
 import org.testng.annotations.Test;
 
 import com.google.inject.AbstractModule;
 import com.google.inject.Guice;
+import com.google.inject.Inject;
 import com.google.inject.Injector;
 import com.google.inject.Stage;
 import com.ning.billing.lifecycle.IService;
-import com.ning.billing.lifecycle.Lifecycled;
 import com.ning.billing.lifecycle.LyfecycleHandlerType;
 import com.ning.billing.lifecycle.LyfecycleHandlerType.LyfecycleLevel;
 
@@ -40,16 +41,45 @@ public class TestLifecycle {
 
     private Lifecycle lifecycle;
 
-    public static class Service1 implements IService {
+    public static class ServiceBase {
+
+        private int count = 0;
+
+        public ServiceBase() {
+            reset();
+        }
+
+        public synchronized void reset() {
+            this.count = 0;
+        }
+
+        public synchronized int getCount() {
+            return count;
+        }
+
+        public synchronized void incrementCount() {
+            count++;
+        }
+    }
+
+    public static class Service1 extends ServiceBase implements IService  {
 
         @LyfecycleHandlerType(LyfecycleLevel.INIT_BUS)
         public void initBus() {
             log.info("Service1 : got INIT_BUS");
+            incrementCount();
         }
 
         @LyfecycleHandlerType(LyfecycleLevel.START_SERVICE)
         public void startService() {
             log.info("Service1 : got START_SERVICE");
+            incrementCount();
+        }
+
+        @LyfecycleHandlerType(LyfecycleLevel.SHUTDOWN)
+        public void shutdownService() {
+            log.info("Service1 : got SHUTDOWN");
+            incrementCount();
         }
 
         @Override
@@ -58,24 +88,41 @@ public class TestLifecycle {
         }
     }
 
-    @Lifecycled
-    public static class Service2 implements IService {
+    public static class Service2 extends ServiceBase implements IService {
 
         @LyfecycleHandlerType(LyfecycleLevel.LOAD_CATALOG)
         public void loadCatalog() {
-            log.info("Service1 : got LOAD_CATALOG");
+            log.info("Service2 : got LOAD_CATALOG");
+            incrementCount();
+        }
+
+        @LyfecycleHandlerType(LyfecycleLevel.REGISTER_EVENTS)
+        public void registerEvents() {
+            log.info("Service2 : got REGISTER_EVENTS");
+            incrementCount();
+        }
+
+        @LyfecycleHandlerType(LyfecycleLevel.UNREGISTER_EVENTS)
+        public void unregisterEvents() {
+            log.info("Service2 : got UNREGISTER_EVENTS");
+            incrementCount();
+        }
+
+        @LyfecycleHandlerType(LyfecycleLevel.START_SERVICE)
+        public void startService() {
+            log.info("Service2 : got START_SERVICE");
+            incrementCount();
         }
 
         @Override
         public String getName() {
             return null;
         }
-
     }
 
 
 
-    @BeforeClass(groups={"fast"})
+    @BeforeClass
     public void setup() {
         final Injector g = Guice.createInjector(Stage.DEVELOPMENT, new TestLifecycleModule());
         s1 = g.getInstance(Service1.class);
@@ -83,17 +130,45 @@ public class TestLifecycle {
         lifecycle = g.getInstance(Lifecycle.class);
     }
 
-    @Test
+    @Test(enabled=true, groups={"fast"})
     public void testLifecycle() {
-        lifecycle.fireStartupSequence();
+        s1.reset();
+        s2.reset();
+        lifecycle.fireStartupSequencePriorEventRegistration();
+        Assert.assertEquals(s1.getCount() + s2.getCount(), 3);
+
+        s1.reset();
+        s2.reset();
+        lifecycle.fireStartupSequencePostEventRegistration();
+        Assert.assertEquals(s1.getCount() + s2.getCount(), 2);
+
+        s1.reset();
+        s2.reset();
+        lifecycle.fireShutdownSequencePriorEventUnRegistration();
+        Assert.assertEquals(s1.getCount() + s2.getCount(), 1);
+
+        s1.reset();
+        s2.reset();
+        lifecycle.fireShutdownSequencePostEventUnRegistration();
+        Assert.assertEquals(s1.getCount() + s2.getCount(), 1);
     }
 
+    public static class LifecycleNoWarn extends Lifecycle {
+
+        @Inject
+        public LifecycleNoWarn(Injector injector) {
+            super(injector);
+        }
+        @Override
+        protected void logWarn(String msg, Exception e) {
+        }
+    }
 
     public static class TestLifecycleModule extends AbstractModule {
 
         @Override
         protected void configure() {
-            bind(Lifecycle.class).asEagerSingleton();
+            bind(Lifecycle.class).to(LifecycleNoWarn.class).asEagerSingleton();
             bind(Service1.class).asEagerSingleton();
             bind(Service2.class).asEagerSingleton();
         }

catalog/pom.xml 2(+1 -1)

diff --git a/catalog/pom.xml b/catalog/pom.xml
index db24ca9..5643272 100644
--- a/catalog/pom.xml
+++ b/catalog/pom.xml
@@ -13,7 +13,7 @@
     <parent>
         <groupId>com.ning.billing</groupId>
         <artifactId>killbill</artifactId>
-        <version>0.0.13-SNAPSHOT</version>
+        <version>0.0.14-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>killbill-catalog</artifactId>
diff --git a/entitlement/pom.xml b/entitlement/pom.xml
index 5f4d4ef..7483255 100644
--- a/entitlement/pom.xml
+++ b/entitlement/pom.xml
@@ -13,7 +13,7 @@
     <parent>
         <groupId>com.ning.billing</groupId>
         <artifactId>killbill</artifactId>
-        <version>0.0.13-SNAPSHOT</version>
+        <version>0.0.14-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>killbill-entitlement</artifactId>
diff --git a/entitlement/src/main/java/com/ning/billing/entitlement/alignment/PlanAligner.java b/entitlement/src/main/java/com/ning/billing/entitlement/alignment/PlanAligner.java
index 0d9ac8d..01ec2c0 100644
--- a/entitlement/src/main/java/com/ning/billing/entitlement/alignment/PlanAligner.java
+++ b/entitlement/src/main/java/com/ning/billing/entitlement/alignment/PlanAligner.java
@@ -139,13 +139,9 @@ public class PlanAligner implements IPlanAligner {
             planStartDate = subscription.getBundleStartDate();
             break;
         case CHANGE_OF_PLAN:
-            // STEPH
             throw new EntitlementError(String.format("Not implemented yet %s", alignment));
-            //break;
         case CHANGE_OF_PRICELIST:
-            // STEPH
             throw new EntitlementError(String.format("Not implemented yet %s", alignment));
-            //break;
         default:
             throw new EntitlementError(String.format("Unknwon PlanAlignmentChange %s", alignment));
         }
diff --git a/entitlement/src/main/java/com/ning/billing/entitlement/api/test/EntitlementTestApi.java b/entitlement/src/main/java/com/ning/billing/entitlement/api/test/EntitlementTestApi.java
index 8ba459e..61cee03 100644
--- a/entitlement/src/main/java/com/ning/billing/entitlement/api/test/EntitlementTestApi.java
+++ b/entitlement/src/main/java/com/ning/billing/entitlement/api/test/EntitlementTestApi.java
@@ -19,6 +19,7 @@ package com.ning.billing.entitlement.api.test;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import com.google.inject.Inject;
 import com.ning.billing.config.IEntitlementConfig;
 import com.ning.billing.entitlement.engine.core.IApiEventProcessor;
 
@@ -29,6 +30,7 @@ public class EntitlementTestApi implements IEntitlementTestApi {
     private final IApiEventProcessor apiEventProcessor;
     private final IEntitlementConfig config;
 
+    @Inject
     public EntitlementTestApi(IApiEventProcessor apiEventProcessor, IEntitlementConfig config) {
         this.apiEventProcessor = apiEventProcessor;
         this.config = config;
diff --git a/entitlement/src/main/java/com/ning/billing/entitlement/api/user/EntitlementUserApi.java b/entitlement/src/main/java/com/ning/billing/entitlement/api/user/EntitlementUserApi.java
index 19f2ec8..93fe561 100644
--- a/entitlement/src/main/java/com/ning/billing/entitlement/api/user/EntitlementUserApi.java
+++ b/entitlement/src/main/java/com/ning/billing/entitlement/api/user/EntitlementUserApi.java
@@ -22,53 +22,42 @@ import java.util.UUID;
 
 import org.joda.time.DateTime;
 
+import com.google.inject.Inject;
 import com.ning.billing.ErrorCode;
 import com.ning.billing.account.api.IAccount;
 import com.ning.billing.catalog.api.BillingPeriod;
-import com.ning.billing.catalog.api.ICatalog;
+import com.ning.billing.catalog.api.ICatalogService;
 import com.ning.billing.catalog.api.IPlan;
 import com.ning.billing.catalog.api.IPlanPhase;
 import com.ning.billing.catalog.api.IPriceListSet;
 import com.ning.billing.entitlement.alignment.IPlanAligner;
 import com.ning.billing.entitlement.alignment.IPlanAligner.TimedPhase;
-import com.ning.billing.entitlement.engine.core.Engine;
+import com.ning.billing.entitlement.api.user.ISubscription;
+import com.ning.billing.entitlement.api.user.ISubscriptionBundle;
+import com.ning.billing.entitlement.api.user.IEntitlementUserApi;
 import com.ning.billing.entitlement.engine.dao.IEntitlementDao;
 import com.ning.billing.entitlement.events.IEvent;
 import com.ning.billing.entitlement.events.phase.IPhaseEvent;
 import com.ning.billing.entitlement.events.phase.PhaseEvent;
 import com.ning.billing.entitlement.events.user.ApiEventCreate;
 import com.ning.billing.entitlement.exceptions.EntitlementError;
-import com.ning.billing.entitlement.glue.InjectorMagic;
 import com.ning.billing.util.clock.IClock;
 
 public class EntitlementUserApi implements IEntitlementUserApi {
 
-    private final Engine engine;
     private final IClock clock;
     private final IEntitlementDao dao;
     private final IPlanAligner planAligner;
+    private final ICatalogService catalogService;
 
-    private boolean initialized;
-
-    private ICatalog catalog;
-
-    public EntitlementUserApi(Engine engine, IClock clock, IPlanAligner planAligner, IEntitlementDao dao) {
+    @Inject
+    public EntitlementUserApi(IClock clock, IPlanAligner planAligner,
+            IEntitlementDao dao, ICatalogService catalogService) {
         super();
-        this.engine = engine;
         this.clock = clock;
         this.dao = dao;
         this.planAligner = planAligner;
-        this.initialized = false;
-
-    }
-
-    @Override
-    public synchronized void initialize(List<IApiListener> listeners) {
-        if (!initialized) {
-            this.catalog = InjectorMagic.getCatlog();
-            engine.registerApiObservers(listeners);
-            initialized = true;
-        }
+        this.catalogService = catalogService;
     }
 
     @Override
@@ -102,7 +91,6 @@ public class EntitlementUserApi implements IEntitlementUserApi {
     public ISubscription createSubscription(UUID bundleId, String productName,
             BillingPeriod term, String priceList, DateTime requestedDate) throws EntitlementUserApiException {
 
-        // STEPH Should really get 'standard' from catalog
         String realPriceList = (priceList == null) ? IPriceListSet.DEFAULT_PRICELIST_NAME : priceList;
 
         DateTime now = clock.getUTCNow();
@@ -112,7 +100,7 @@ public class EntitlementUserApi implements IEntitlementUserApi {
 
         requestedDate = (requestedDate == null) ? now : requestedDate;
 
-        IPlan plan = catalog.getPlan(productName, term, realPriceList);
+        IPlan plan = catalogService.getCatalog().getPlan(productName, term, realPriceList);
         if (plan == null) {
             throw new EntitlementUserApiException(ErrorCode.ENT_CREATE_BAD_CATALOG, productName, term, realPriceList);
         }
diff --git a/entitlement/src/main/java/com/ning/billing/entitlement/api/user/Subscription.java b/entitlement/src/main/java/com/ning/billing/entitlement/api/user/Subscription.java
index 2c04998..afcf053 100644
--- a/entitlement/src/main/java/com/ning/billing/entitlement/api/user/Subscription.java
+++ b/entitlement/src/main/java/com/ning/billing/entitlement/api/user/Subscription.java
@@ -47,7 +47,7 @@ import com.ning.billing.entitlement.events.user.ApiEventCancel;
 import com.ning.billing.entitlement.events.user.ApiEventChange;
 import com.ning.billing.entitlement.events.user.ApiEventType;
 import com.ning.billing.entitlement.events.user.ApiEventUncancel;
-import com.ning.billing.entitlement.events.user.IUserEvent;
+import com.ning.billing.entitlement.events.user.IApiEvent;
 import com.ning.billing.entitlement.exceptions.EntitlementError;
 import com.ning.billing.entitlement.glue.InjectorMagic;
 import com.ning.billing.util.clock.IClock;
@@ -295,8 +295,8 @@ public class Subscription extends PrivateFields  implements ISubscription {
         TimedPhase nextTimedPhase = planAligner.getNextTimedPhaseOnChange(this, newPlan, realPriceList, effectiveDate);
         IPhaseEvent nextPhaseEvent = PhaseEvent.getNextPhaseEvent(nextTimedPhase, this, now);
         List<IEvent> changeEvents = new ArrayList<IEvent>();
-        // Add phase event first so we expect to see PHASE event first-- mostly for test expectation
-        if (nextPhaseEvent != null) {
+        // Only add the PHASE if it does not coincide with the CHANGE, if not this is 'just' a CHANGE.
+        if (nextPhaseEvent != null && ! nextPhaseEvent.getEffectiveDate().equals(changeEvent.getEffectiveDate())) {
             changeEvents.add(nextPhaseEvent);
         }
         changeEvents.add(changeEvent);
@@ -479,7 +479,7 @@ public class Subscription extends PrivateFields  implements ISubscription {
                 break;
 
             case API_USER:
-                IUserEvent userEV = (IUserEvent) cur;
+                IApiEvent userEV = (IApiEvent) cur;
                 apiEventType = userEV.getEventType();
                 switch(apiEventType) {
                 case CREATE:
diff --git a/entitlement/src/main/java/com/ning/billing/entitlement/api/user/SubscriptionTransition.java b/entitlement/src/main/java/com/ning/billing/entitlement/api/user/SubscriptionTransition.java
index 63f42f6..616e871 100644
--- a/entitlement/src/main/java/com/ning/billing/entitlement/api/user/SubscriptionTransition.java
+++ b/entitlement/src/main/java/com/ning/billing/entitlement/api/user/SubscriptionTransition.java
@@ -25,6 +25,7 @@ import com.ning.billing.catalog.api.IPlanPhase;
 import com.ning.billing.entitlement.api.user.ISubscription.SubscriptionState;
 import com.ning.billing.entitlement.events.IEvent.EventType;
 import com.ning.billing.entitlement.events.user.ApiEventType;
+import com.ning.billing.entitlement.exceptions.EntitlementError;
 
 public class SubscriptionTransition implements ISubscriptionTransition {
 
@@ -117,6 +118,18 @@ public class SubscriptionTransition implements ISubscriptionTransition {
         return nextPriceList;
     }
 
+    @Override
+    public SubscriptionTransitionType getTransitionType() {
+        switch(eventType) {
+        case API_USER:
+            return apiEventType.getSubscriptionTransitionType();
+        case PHASE:
+            return SubscriptionTransitionType.PHASE;
+        default:
+            throw new EntitlementError("Unexpected event type " + eventType);
+        }
+    }
+
     public ApiEventType getApiEventType() {
         return apiEventType;
     }
@@ -151,5 +164,4 @@ public class SubscriptionTransition implements ISubscriptionTransition {
                 + ", nextPriceList " + nextPriceList
                 + ", nextPhase=" + ((nextPhase != null) ? nextPhase.getName() : null) + "]";
     }
-
 }
diff --git a/entitlement/src/main/java/com/ning/billing/entitlement/engine/core/ApiEventProcessorBase.java b/entitlement/src/main/java/com/ning/billing/entitlement/engine/core/ApiEventProcessorBase.java
index c5b9bd4..f3faf8e 100644
--- a/entitlement/src/main/java/com/ning/billing/entitlement/engine/core/ApiEventProcessorBase.java
+++ b/entitlement/src/main/java/com/ning/billing/entitlement/engine/core/ApiEventProcessorBase.java
@@ -141,8 +141,8 @@ public abstract class ApiEventProcessorBase implements IApiEventProcessor {
                             Thread.currentThread().getId()));
                 } catch (Throwable e) {
                     log.error(API_EVENT_THREAD_NAME + " got an exception exiting...", e);
-                    // STEPH let's review that later...
-                    System.exit(1);
+                    // Just to make it really obvious in the log
+                    e.printStackTrace();
                 }
             }
 
diff --git a/entitlement/src/main/java/com/ning/billing/entitlement/engine/core/Engine.java b/entitlement/src/main/java/com/ning/billing/entitlement/engine/core/Engine.java
index fee014e..622fa12 100644
--- a/entitlement/src/main/java/com/ning/billing/entitlement/engine/core/Engine.java
+++ b/entitlement/src/main/java/com/ning/billing/entitlement/engine/core/Engine.java
@@ -16,27 +16,21 @@
 
 package com.ning.billing.entitlement.engine.core;
 
-import java.util.List;
-
 import org.joda.time.DateTime;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import com.google.inject.Inject;
-import com.ning.billing.catalog.api.ICatalog;
-import com.ning.billing.catalog.api.ICatalogService;
 import com.ning.billing.config.IEntitlementConfig;
 
 import com.ning.billing.entitlement.alignment.IPlanAligner;
 import com.ning.billing.entitlement.alignment.IPlanAligner.TimedPhase;
-import com.ning.billing.entitlement.alignment.PlanAligner;
 import com.ning.billing.entitlement.api.IEntitlementService;
-import com.ning.billing.entitlement.api.billing.BillingApi;
+import com.ning.billing.entitlement.api.billing.EntitlementBillingApi;
 import com.ning.billing.entitlement.api.billing.IEntitlementBillingApi;
 import com.ning.billing.entitlement.api.test.EntitlementTestApi;
 import com.ning.billing.entitlement.api.test.IEntitlementTestApi;
 import com.ning.billing.entitlement.api.user.EntitlementUserApi;
-import com.ning.billing.entitlement.api.user.IApiListener;
 import com.ning.billing.entitlement.api.user.IEntitlementUserApi;
 import com.ning.billing.entitlement.api.user.Subscription;
 import com.ning.billing.entitlement.engine.dao.IEntitlementDao;
@@ -44,11 +38,13 @@ import com.ning.billing.entitlement.events.IEvent;
 import com.ning.billing.entitlement.events.IEvent.EventType;
 import com.ning.billing.entitlement.events.phase.IPhaseEvent;
 import com.ning.billing.entitlement.events.phase.PhaseEvent;
-import com.ning.billing.entitlement.events.user.IUserEvent;
+import com.ning.billing.entitlement.events.user.IApiEvent;
 import com.ning.billing.lifecycle.IService;
 import com.ning.billing.lifecycle.LyfecycleHandlerType;
 import com.ning.billing.lifecycle.LyfecycleHandlerType.LyfecycleLevel;
 import com.ning.billing.util.clock.IClock;
+import com.ning.billing.util.eventbus.IEventBus;
+import com.ning.billing.util.eventbus.IEventBus.EventBusException;
 
 public class Engine implements IEventListener, IEntitlementService {
 
@@ -63,24 +59,21 @@ public class Engine implements IEventListener, IEntitlementService {
     private final IEntitlementUserApi userApi;
     private final IEntitlementBillingApi billingApi;
     private final IEntitlementTestApi testApi;
-    private final IEntitlementConfig config;
-    private List<IApiListener> observers;
-
+    private final IEventBus eventBus;
 
     @Inject
     public Engine(IClock clock, IEntitlementDao dao, IApiEventProcessor apiEventProcessor,
-            IPlanAligner planAligner, IEntitlementConfig config) {
+            IPlanAligner planAligner, IEntitlementConfig config, EntitlementUserApi userApi,
+            EntitlementBillingApi billingApi, EntitlementTestApi testApi, IEventBus eventBus) {
         super();
         this.clock = clock;
         this.dao = dao;
         this.apiEventProcessor = apiEventProcessor;
         this.planAligner = planAligner;
-        this.config = config;
-        this.observers = null;
-        this.userApi = new EntitlementUserApi(this, clock, planAligner, dao);
-        this.billingApi = new BillingApi(this, clock, dao);
-        this.testApi = new EntitlementTestApi(apiEventProcessor, config);
-
+        this.userApi = userApi;
+        this.testApi = testApi;
+        this.billingApi = billingApi;
+        this.eventBus = eventBus;
     }
 
     @Override
@@ -104,8 +97,7 @@ public class Engine implements IEventListener, IEntitlementService {
     }
 
     @Override
-    public IEntitlementUserApi getUserApi(List<IApiListener> listeners) {
-        userApi.initialize(listeners);
+    public IEntitlementUserApi getUserApi() {
         return userApi;
     }
 
@@ -120,51 +112,22 @@ public class Engine implements IEventListener, IEntitlementService {
         return testApi;
     }
 
-    public void registerApiObservers(List<IApiListener> observers) {
-        this.observers = observers;
-    }
-
-
     @Override
     public void processEventReady(IEvent event) {
-        if (observers == null) {
-            return;
-        }
         Subscription subscription = (Subscription) dao.getSubscriptionFromId(event.getSubscriptionId());
         if (subscription == null) {
             log.warn("Failed to retrieve subscription for id %s", event.getSubscriptionId());
             return;
         }
-        if (event.getType() == EventType.API_USER) {
-            dispatchApiEvent((IUserEvent) event, subscription);
-        } else {
-            dispatchPhaseEvent((IPhaseEvent) event, subscription);
+        if (event.getType() == EventType.PHASE) {
             insertNextPhaseEvent(subscription);
         }
-    }
-
-    private void dispatchApiEvent(IUserEvent event, Subscription subscription) {
-        for (IApiListener listener : observers) {
-            switch(event.getEventType()) {
-            case CREATE:
-                listener.subscriptionCreated(subscription.getLatestTranstion());
-                break;
-            case CHANGE:
-                listener.subscriptionChanged(subscription.getLatestTranstion());
-                break;
-            case CANCEL:
-                listener.subscriptionCancelled(subscription.getLatestTranstion());
-                break;
-            default:
-                break;
-            }
+        try {
+            eventBus.post(subscription.getLatestTranstion());
+        } catch (EventBusException e) {
+            log.warn("Failed to post entitlement event " + event, e);
         }
-    }
 
-    private void dispatchPhaseEvent(IPhaseEvent event, Subscription subscription) {
-        for (IApiListener listener : observers) {
-            listener.subscriptionPhaseChanged(subscription.getLatestTranstion());
-        }
     }
 
     private void insertNextPhaseEvent(Subscription subscription) {
@@ -174,7 +137,6 @@ public class Engine implements IEventListener, IEntitlementService {
         TimedPhase nextTimedPhase = planAligner.getNextTimedPhase(subscription, subscription.getCurrentPlan(), now, subscription.getCurrentPlanStart());
         IPhaseEvent nextPhaseEvent = PhaseEvent.getNextPhaseEvent(nextTimedPhase, subscription, now);
         if (nextPhaseEvent != null) {
-            // STEPH Harden since event could be processed twice
             dao.createNextPhaseEvent(subscription.getId(), nextPhaseEvent);
         }
     }
diff --git a/entitlement/src/main/java/com/ning/billing/entitlement/engine/dao/EntitlementDao.java b/entitlement/src/main/java/com/ning/billing/entitlement/engine/dao/EntitlementDao.java
index db4e375..197e4bd 100644
--- a/entitlement/src/main/java/com/ning/billing/entitlement/engine/dao/EntitlementDao.java
+++ b/entitlement/src/main/java/com/ning/billing/entitlement/engine/dao/EntitlementDao.java
@@ -41,7 +41,7 @@ import com.ning.billing.entitlement.api.user.SubscriptionBundle;
 import com.ning.billing.entitlement.events.IEvent;
 import com.ning.billing.entitlement.events.IEvent.EventType;
 import com.ning.billing.entitlement.events.user.ApiEventType;
-import com.ning.billing.entitlement.events.user.IUserEvent;
+import com.ning.billing.entitlement.events.user.IApiEvent;
 import com.ning.billing.entitlement.exceptions.EntitlementError;
 import com.ning.billing.util.Hostname;
 import com.ning.billing.util.clock.IClock;
@@ -249,7 +249,7 @@ public class EntitlementDao implements IEntitlementDao {
                 List<IEvent> events = dao.getFutureActiveEventForSubscription(subscriptionId.toString(), now);
 
                 for (IEvent cur : events) {
-                    if (cur.getType() == EventType.API_USER && ((IUserEvent) cur).getEventType() == ApiEventType.CANCEL) {
+                    if (cur.getType() == EventType.API_USER && ((IApiEvent) cur).getEventType() == ApiEventType.CANCEL) {
                         if (existingCancelId != null) {
                             throw new EntitlementError(String.format("Found multiple cancel active events for subscriptions %s", subscriptionId.toString()));
                         }
@@ -299,7 +299,7 @@ public class EntitlementDao implements IEntitlementDao {
         List<IEvent> events = dao.getFutureActiveEventForSubscription(subscriptionId.toString(), now);
         for (IEvent cur : events) {
             if (cur.getType() == type &&
-                    (apiType == null || apiType == ((IUserEvent) cur).getEventType() )) {
+                    (apiType == null || apiType == ((IApiEvent) cur).getEventType() )) {
                 if (futureEventId != null) {
                     throw new EntitlementError(
                             String.format("Found multiple future events for type %s for subscriptions %s",
diff --git a/entitlement/src/main/java/com/ning/billing/entitlement/engine/dao/IEventSqlDao.java b/entitlement/src/main/java/com/ning/billing/entitlement/engine/dao/IEventSqlDao.java
index 007d5b9..3c2180d 100644
--- a/entitlement/src/main/java/com/ning/billing/entitlement/engine/dao/IEventSqlDao.java
+++ b/entitlement/src/main/java/com/ning/billing/entitlement/engine/dao/IEventSqlDao.java
@@ -50,7 +50,7 @@ import com.ning.billing.entitlement.events.user.ApiEventPause;
 import com.ning.billing.entitlement.events.user.ApiEventResume;
 import com.ning.billing.entitlement.events.user.ApiEventType;
 import com.ning.billing.entitlement.events.user.ApiEventUncancel;
-import com.ning.billing.entitlement.events.user.IUserEvent;
+import com.ning.billing.entitlement.events.user.IApiEvent;
 import com.ning.billing.entitlement.exceptions.EntitlementError;
 
 @ExternalizedSqlViaStringTemplate3()
@@ -99,15 +99,15 @@ public interface IEventSqlDao extends Transactional<IEventSqlDao>, CloseMe, Tran
         public void bind(@SuppressWarnings("rawtypes") SQLStatement stmt, Bind bind, IEvent evt) {
             stmt.bind("event_id", evt.getId().toString());
             stmt.bind("event_type", evt.getType().toString());
-            stmt.bind("user_type", (evt.getType() == EventType.API_USER) ? ((IUserEvent) evt).getEventType().toString() : null);
+            stmt.bind("user_type", (evt.getType() == EventType.API_USER) ? ((IApiEvent) evt).getEventType().toString() : null);
             stmt.bind("created_dt", getDate(evt.getProcessedDate()));
             stmt.bind("updated_dt", getDate(evt.getProcessedDate()));
             stmt.bind("requested_dt", getDate(evt.getRequestedDate()));
             stmt.bind("effective_dt", getDate(evt.getEffectiveDate()));
             stmt.bind("subscription_id", evt.getSubscriptionId().toString());
-            stmt.bind("plan_name", (evt.getType() == EventType.API_USER) ? ((IUserEvent) evt).getEventPlan() : null);
-            stmt.bind("phase_name", (evt.getType() == EventType.API_USER) ? ((IUserEvent) evt).getEventPlanPhase() : ((IPhaseEvent) evt).getPhase());
-            stmt.bind("plist_name", (evt.getType() == EventType.API_USER) ? ((IUserEvent) evt).getPriceList() : null);
+            stmt.bind("plan_name", (evt.getType() == EventType.API_USER) ? ((IApiEvent) evt).getEventPlan() : null);
+            stmt.bind("phase_name", (evt.getType() == EventType.API_USER) ? ((IApiEvent) evt).getEventPlanPhase() : ((IPhaseEvent) evt).getPhase());
+            stmt.bind("plist_name", (evt.getType() == EventType.API_USER) ? ((IApiEvent) evt).getPriceList() : null);
             stmt.bind("current_version", evt.getActiveVersion());
             stmt.bind("is_active", evt.isActive());
             stmt.bind("processing_available_dt", getDate(evt.getNextAvailableDate()));
diff --git a/entitlement/src/main/java/com/ning/billing/entitlement/events/EventBase.java b/entitlement/src/main/java/com/ning/billing/entitlement/events/EventBase.java
index a0c526a..b1e9f02 100644
--- a/entitlement/src/main/java/com/ning/billing/entitlement/events/EventBase.java
+++ b/entitlement/src/main/java/com/ning/billing/entitlement/events/EventBase.java
@@ -22,7 +22,7 @@ import org.joda.time.DateTime;
 
 import com.ning.billing.catalog.api.IPlan;
 import com.ning.billing.entitlement.events.IEventLyfecycle.IEventLyfecycleState;
-import com.ning.billing.entitlement.events.user.IUserEvent;
+import com.ning.billing.entitlement.events.user.IApiEvent;
 import com.ning.billing.entitlement.exceptions.EntitlementError;
 
 public abstract class EventBase implements IEvent {
@@ -213,7 +213,7 @@ public abstract class EventBase implements IEvent {
         } else if (getType() != other.getType()) {
             return (getType() == EventType.PHASE) ? -1 : 1;
         } else if (getType() == EventType.API_USER) {
-            return ((IUserEvent) this).getEventType().compareTo(((IUserEvent) other).getEventType());
+            return ((IApiEvent) this).getEventType().compareTo(((IApiEvent) other).getEventType());
         } else {
             return uuid.compareTo(other.getId());
         }
diff --git a/entitlement/src/main/java/com/ning/billing/entitlement/events/user/ApiEventBase.java b/entitlement/src/main/java/com/ning/billing/entitlement/events/user/ApiEventBase.java
index 4e2944e..e1b9177 100644
--- a/entitlement/src/main/java/com/ning/billing/entitlement/events/user/ApiEventBase.java
+++ b/entitlement/src/main/java/com/ning/billing/entitlement/events/user/ApiEventBase.java
@@ -27,7 +27,7 @@ import com.ning.billing.entitlement.engine.core.Engine;
 import com.ning.billing.entitlement.events.EventBase;
 import com.ning.billing.entitlement.events.IEventLyfecycle.IEventLyfecycleState;
 
-public class ApiEventBase extends EventBase implements IUserEvent {
+public class ApiEventBase extends EventBase implements IApiEvent {
 
     private final ApiEventType eventType;
     // Only valid for CREATE/CHANGE
diff --git a/entitlement/src/main/java/com/ning/billing/entitlement/events/user/ApiEventType.java b/entitlement/src/main/java/com/ning/billing/entitlement/events/user/ApiEventType.java
index e07e39f..3d66a5b 100644
--- a/entitlement/src/main/java/com/ning/billing/entitlement/events/user/ApiEventType.java
+++ b/entitlement/src/main/java/com/ning/billing/entitlement/events/user/ApiEventType.java
@@ -16,16 +16,35 @@
 
 package com.ning.billing.entitlement.events.user;
 
+import com.ning.billing.entitlement.api.user.ISubscriptionTransition.SubscriptionTransitionType;
+
 
 public enum ApiEventType {
-    /*
-     * STEPH should be changed
-     * Ordering is important for unit tests today.
-     */
-    CREATE,
-    CHANGE,
-    PAUSE,
-    RESUME,
-    CANCEL,
-    UNCANCEL
+    CREATE {
+        @Override
+        public SubscriptionTransitionType getSubscriptionTransitionType() { return SubscriptionTransitionType.CREATE; }
+    },
+    CHANGE {
+        @Override
+        public SubscriptionTransitionType getSubscriptionTransitionType() { return SubscriptionTransitionType.CHANGE; }
+    },
+    PAUSE {
+        @Override
+        public SubscriptionTransitionType getSubscriptionTransitionType() { return SubscriptionTransitionType.PAUSE; }
+    },
+    RESUME {
+        @Override
+        public SubscriptionTransitionType getSubscriptionTransitionType() { return SubscriptionTransitionType.RESUME; }
+    },
+    CANCEL {
+        @Override
+        public SubscriptionTransitionType getSubscriptionTransitionType() { return SubscriptionTransitionType.CANCEL; }
+    },
+    UNCANCEL {
+        @Override
+        public SubscriptionTransitionType getSubscriptionTransitionType() { return SubscriptionTransitionType.UNCANCEL; }
+    };
+
+    // Used to map from internal events to User visible events (both user and phase)
+    public abstract SubscriptionTransitionType getSubscriptionTransitionType();
 }
diff --git a/entitlement/src/main/java/com/ning/billing/entitlement/glue/EntitlementModule.java b/entitlement/src/main/java/com/ning/billing/entitlement/glue/EntitlementModule.java
index d303b30..89b58c8 100644
--- a/entitlement/src/main/java/com/ning/billing/entitlement/glue/EntitlementModule.java
+++ b/entitlement/src/main/java/com/ning/billing/entitlement/glue/EntitlementModule.java
@@ -23,6 +23,10 @@ import com.ning.billing.config.IEntitlementConfig;
 import com.ning.billing.entitlement.alignment.IPlanAligner;
 import com.ning.billing.entitlement.alignment.PlanAligner;
 import com.ning.billing.entitlement.api.IEntitlementService;
+import com.ning.billing.entitlement.api.billing.EntitlementBillingApi;
+import com.ning.billing.entitlement.api.billing.IEntitlementBillingApi;
+import com.ning.billing.entitlement.api.test.EntitlementTestApi;
+import com.ning.billing.entitlement.api.test.IEntitlementTestApi;
 import com.ning.billing.entitlement.api.user.EntitlementUserApi;
 import com.ning.billing.entitlement.api.user.IEntitlementUserApi;
 import com.ning.billing.entitlement.engine.core.ApiEventProcessor;
@@ -59,6 +63,9 @@ public class EntitlementModule extends AbstractModule {
         bind(IEntitlementService.class).to(Engine.class).asEagerSingleton();
         bind(Engine.class).asEagerSingleton();
         bind(IPlanAligner.class).to(PlanAligner.class).asEagerSingleton();
+        bind(IEntitlementTestApi.class).to(EntitlementTestApi.class).asEagerSingleton();
+        bind(IEntitlementUserApi.class).to(EntitlementUserApi.class).asEagerSingleton();
+        bind(IEntitlementBillingApi.class).to(EntitlementBillingApi.class).asEagerSingleton();
     }
 
     protected void installInjectorMagic() {
diff --git a/entitlement/src/test/java/com/ning/billing/entitlement/api/ApiTestListener.java b/entitlement/src/test/java/com/ning/billing/entitlement/api/ApiTestListener.java
index 9591ee6..5b5100b 100644
--- a/entitlement/src/test/java/com/ning/billing/entitlement/api/ApiTestListener.java
+++ b/entitlement/src/test/java/com/ning/billing/entitlement/api/ApiTestListener.java
@@ -22,10 +22,11 @@ import java.util.Stack;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import com.ning.billing.entitlement.api.user.IApiListener;
+import com.google.common.eventbus.Subscribe;
 import com.ning.billing.entitlement.api.user.ISubscriptionTransition;
+import com.ning.billing.util.eventbus.IEventBus;
 
-public class ApiTestListener implements IApiListener {
+public class ApiTestListener {
 
     private static final Logger log = LoggerFactory.getLogger(ApiTestListener.class);
 
@@ -42,11 +43,40 @@ public class ApiTestListener implements IApiListener {
         PHASE
     }
 
-    public ApiTestListener() {
+    public ApiTestListener(IEventBus eventBus) {
         this.nextExpectedEvent = new Stack<NextEvent>();
         this.completed = false;
     }
 
+    @Subscribe
+    public void handleEntitlementEvent(ISubscriptionTransition event) {
+        switch (event.getTransitionType()) {
+        case CREATE:
+            subscriptionCreated(event);
+            break;
+        case CANCEL:
+            subscriptionCancelled(event);
+            break;
+        case CHANGE:
+            subscriptionChanged(event);
+            break;
+        case PAUSE:
+            subscriptionPaused(event);
+            break;
+        case RESUME:
+            subscriptionResumed(event);
+            break;
+        case UNCANCEL:
+            break;
+        case PHASE:
+            subscriptionPhaseChanged(event);
+            break;
+        default:
+            throw new RuntimeException("Unexpected event type " + event.getRequestedTransitionTime());
+        }
+
+    }
+
     public void pushExpectedEvent(NextEvent next) {
         synchronized (this) {
             nextExpectedEvent.push(next);
@@ -98,42 +128,42 @@ public class ApiTestListener implements IApiListener {
         }
     }
 
-    @Override
+
     public void subscriptionCreated(ISubscriptionTransition created) {
         log.debug("-> Got event CREATED");
         assertEqualsNicely(nextExpectedEvent.pop(), NextEvent.CREATE);
         notifyIfStackEmpty();
     }
 
-    @Override
+
     public void subscriptionCancelled(ISubscriptionTransition cancelled) {
         log.debug("-> Got event CANCEL");
         assertEqualsNicely(nextExpectedEvent.pop(), NextEvent.CANCEL);
         notifyIfStackEmpty();
     }
 
-    @Override
+
     public void subscriptionChanged(ISubscriptionTransition changed) {
         log.debug("-> Got event CHANGE");
         assertEqualsNicely(nextExpectedEvent.pop(), NextEvent.CHANGE);
         notifyIfStackEmpty();
     }
 
-    @Override
+
     public void subscriptionPaused(ISubscriptionTransition paused) {
         log.debug("-> Got event PAUSE");
         assertEqualsNicely(nextExpectedEvent.pop(), NextEvent.PAUSE);
         notifyIfStackEmpty();
     }
 
-    @Override
+
     public void subscriptionResumed(ISubscriptionTransition resumed) {
         log.debug("-> Got event RESUME");
         assertEqualsNicely(nextExpectedEvent.pop(), NextEvent.RESUME);
         notifyIfStackEmpty();
     }
 
-    @Override
+
     public void subscriptionPhaseChanged(
             ISubscriptionTransition phaseChanged) {
         log.debug("-> Got event PHASE");
diff --git a/entitlement/src/test/java/com/ning/billing/entitlement/api/user/TestUserApiBase.java b/entitlement/src/test/java/com/ning/billing/entitlement/api/user/TestUserApiBase.java
index 4094acd..924f1eb 100644
--- a/entitlement/src/test/java/com/ning/billing/entitlement/api/user/TestUserApiBase.java
+++ b/entitlement/src/test/java/com/ning/billing/entitlement/api/user/TestUserApiBase.java
@@ -63,11 +63,13 @@ import com.ning.billing.entitlement.engine.dao.IEntitlementDaoMock;
 import com.ning.billing.entitlement.events.IEvent;
 import com.ning.billing.entitlement.events.phase.IPhaseEvent;
 import com.ning.billing.entitlement.events.user.ApiEventType;
-import com.ning.billing.entitlement.events.user.IUserEvent;
+import com.ning.billing.entitlement.events.user.IApiEvent;
 import com.ning.billing.entitlement.glue.InjectorMagic;
 import com.ning.billing.lifecycle.IService.ServiceException;
 import com.ning.billing.util.clock.ClockMock;
 import com.ning.billing.util.clock.IClock;
+import com.ning.billing.util.eventbus.EventBusService;
+import com.ning.billing.util.eventbus.IEventBusService;
 
 public abstract class TestUserApiBase {
 
@@ -82,14 +84,13 @@ public abstract class TestUserApiBase {
     protected IEntitlementConfig config;
     protected IEntitlementDao dao;
     protected ClockMock clock;
+    protected IEventBusService busService;
 
     protected IAccount account;
     protected ICatalog catalog;
     protected ApiTestListener testListener;
     protected ISubscriptionBundle bundle;
 
-    private InjectorMagic injectorMagic;
-
     public static void loadSystemPropertiesFromClasspath( final String resource )
     {
         final URL url = TestUserApiBase.class.getResource(resource);
@@ -104,7 +105,14 @@ public abstract class TestUserApiBase {
 
     @AfterClass(groups={"setup"})
     public void tearDown() {
-        InjectorMagic.instance = null;
+        try {
+            InjectorMagic.instance = null;
+            busService.getEventBus().register(testListener);
+            ((EventBusService) busService).stopBus();
+        } catch (Exception e) {
+            log.warn("Failed to tearDown test properly ", e);
+        }
+
     }
 
     @BeforeClass(groups={"setup"})
@@ -113,18 +121,17 @@ public abstract class TestUserApiBase {
         loadSystemPropertiesFromClasspath("/entitlement.properties");
         final Injector g = getInjector();
 
-        injectorMagic = g.getInstance(InjectorMagic.class);
-
-
         entitlementService = g.getInstance(IEntitlementService.class);
         catalogService = g.getInstance(ICatalogService.class);
+        busService = g.getInstance(IEventBusService.class);
         config = g.getInstance(IEntitlementConfig.class);
         dao = g.getInstance(IEntitlementDao.class);
         clock = (ClockMock) g.getInstance(IClock.class);
         try {
 
             ((CatalogService) catalogService).loadCatalog();
-            ((Engine)entitlementService).initialize();
+            ((EventBusService) busService).startBus();
+            ((Engine) entitlementService).initialize();
             init();
         } catch (EntitlementUserApiException e) {
             Assert.fail(e.getMessage());
@@ -142,10 +149,9 @@ public abstract class TestUserApiBase {
         catalog = catalogService.getCatalog();
         assertNotNull(catalog);
 
-        testListener = new ApiTestListener();
-        List<IApiListener> listeners =  new ArrayList<IApiListener>();
-        listeners.add(testListener);
-        entitlementApi = entitlementService.getUserApi(listeners);
+
+        testListener = new ApiTestListener(busService.getEventBus());
+        entitlementApi = entitlementService.getUserApi();
         billingApi = entitlementService.getBillingApi();
 
     }
@@ -157,11 +163,13 @@ public abstract class TestUserApiBase {
         log.warn("RESET TEST FRAMEWORK\n\n");
 
         testListener.reset();
+
         clock.resetDeltaFromReality();
         ((IEntitlementDaoMock) dao).reset();
         try {
+            busService.getEventBus().register(testListener);
             bundle = entitlementApi.createBundleForAccount(account, "myDefaultBundle");
-        } catch (EntitlementUserApiException e) {
+        } catch (Exception e) {
             Assert.fail(e.getMessage());
         }
         assertNotNull(bundle);
@@ -222,8 +230,8 @@ public abstract class TestUserApiBase {
                     assertEquals(foundPhase, false);
                     foundPhase = true;
                     assertEquals(cur.getEffectiveDate(), expPhaseChange);
-                } else if (cur instanceof IUserEvent) {
-                    IUserEvent uEvent = (IUserEvent) cur;
+                } else if (cur instanceof IApiEvent) {
+                    IApiEvent uEvent = (IApiEvent) cur;
                     assertEquals(ApiEventType.CHANGE, uEvent.getEventType());
                     assertEquals(foundChange, false);
                     foundChange = true;
diff --git a/entitlement/src/test/java/com/ning/billing/entitlement/api/user/TestUserApiChangePlan.java b/entitlement/src/test/java/com/ning/billing/entitlement/api/user/TestUserApiChangePlan.java
index 373db87..32f1dc9 100644
--- a/entitlement/src/test/java/com/ning/billing/entitlement/api/user/TestUserApiChangePlan.java
+++ b/entitlement/src/test/java/com/ning/billing/entitlement/api/user/TestUserApiChangePlan.java
@@ -36,7 +36,7 @@ import com.ning.billing.catalog.api.PhaseType;
 import com.ning.billing.catalog.api.ProductCategory;
 import com.ning.billing.entitlement.api.ApiTestListener.NextEvent;
 import com.ning.billing.entitlement.events.IEvent;
-import com.ning.billing.entitlement.events.user.IUserEvent;
+import com.ning.billing.entitlement.events.user.IApiEvent;
 import com.ning.billing.util.clock.Clock;
 
 public abstract class TestUserApiChangePlan extends TestUserApiBase {
@@ -145,7 +145,7 @@ public abstract class TestUserApiChangePlan extends TestUserApiBase {
 
             // ALSO VERIFY PENDING CHANGE EVENT
             List<IEvent> events = dao.getPendingEventsForSubscription(subscription.getId());
-            assertTrue(events.get(0) instanceof IUserEvent);
+            assertTrue(events.get(0) instanceof IApiEvent);
 
 
             // MOVE TO EOT
@@ -341,7 +341,6 @@ public abstract class TestUserApiChangePlan extends TestUserApiBase {
             IPlanPhase trialPhase = subscription.getCurrentPhase();
             assertEquals(trialPhase.getPhaseType(), PhaseType.TRIAL);
 
-            // MOVE TO NEXT PHASE
             testListener.pushExpectedEvent(NextEvent.PHASE);
             clock.setDeltaFromReality(trialPhase.getDuration(), DAY_IN_MS);
             assertTrue(testListener.isCompleted(2000));
@@ -378,9 +377,25 @@ public abstract class TestUserApiChangePlan extends TestUserApiBase {
             assertNotNull(currentPhase);
             assertEquals(currentPhase.getPhaseType(), PhaseType.DISCOUNT);
 
+            // ACTIVATE CHNAGE BY MOVING AFTER CTD
+            testListener.pushExpectedEvent(NextEvent.CHANGE);
+            clock.addDeltaFromReality(ctd);
+            assertTrue(testListener.isCompleted(3000));
+
+            currentPlan = subscription.getCurrentPlan();
+            assertNotNull(currentPlan);
+            assertEquals(currentPlan.getProduct().getName(), "Pistol");
+            assertEquals(currentPlan.getProduct().getCategory(), ProductCategory.BASE);
+            assertEquals(currentPlan.getBillingPeriod(), BillingPeriod.ANNUAL);
+
+            currentPhase = subscription.getCurrentPhase();
+            assertNotNull(currentPhase);
+            assertEquals(currentPhase.getPhaseType(), PhaseType.DISCOUNT);
+
+
+
             // MOVE TO NEXT PHASE
             testListener.pushExpectedEvent(NextEvent.PHASE);
-            testListener.pushExpectedEvent(NextEvent.CHANGE);
             clock.addDeltaFromReality(currentPhase.getDuration());
             assertTrue(testListener.isCompleted(3000));
             subscription = (Subscription) entitlementApi.getSubscriptionFromId(subscription.getId());
diff --git a/entitlement/src/test/java/com/ning/billing/entitlement/api/user/TestUserApiChangePlanMemory.java b/entitlement/src/test/java/com/ning/billing/entitlement/api/user/TestUserApiChangePlanMemory.java
index 4455436..8847612 100644
--- a/entitlement/src/test/java/com/ning/billing/entitlement/api/user/TestUserApiChangePlanMemory.java
+++ b/entitlement/src/test/java/com/ning/billing/entitlement/api/user/TestUserApiChangePlanMemory.java
@@ -57,7 +57,7 @@ public class TestUserApiChangePlanMemory extends TestUserApiChangePlan {
         invokeRealMethod(this);
     }
 
-    // STEPH set to false until we implement rescue example.
+    // Set to false until we implement rescue example.
     @Test(enabled=false, groups={"fast"})
     public void testChangePlanChangePlanAlignEOTWithChargeThroughDate() {
         invokeRealMethod(this);
diff --git a/entitlement/src/test/java/com/ning/billing/entitlement/api/user/TestUserApiChangePlanSql.java b/entitlement/src/test/java/com/ning/billing/entitlement/api/user/TestUserApiChangePlanSql.java
index 174b85e..60d777d 100644
--- a/entitlement/src/test/java/com/ning/billing/entitlement/api/user/TestUserApiChangePlanSql.java
+++ b/entitlement/src/test/java/com/ning/billing/entitlement/api/user/TestUserApiChangePlanSql.java
@@ -79,7 +79,7 @@ public class TestUserApiChangePlanSql extends TestUserApiChangePlan {
         invokeRealMethod(this);
     }
 
-    // STEPH rescue not implemented
+    // rescue not implemented yet
     @Test(enabled=false, groups={"sql"})
     public void testChangePlanChangePlanAlignEOTWithChargeThroughDate() {
         invokeRealMethod(this);
diff --git a/entitlement/src/test/java/com/ning/billing/entitlement/engine/dao/EntitlementDaoMemoryMock.java b/entitlement/src/test/java/com/ning/billing/entitlement/engine/dao/EntitlementDaoMemoryMock.java
index cc574ee..1e043eb 100644
--- a/entitlement/src/test/java/com/ning/billing/entitlement/engine/dao/EntitlementDaoMemoryMock.java
+++ b/entitlement/src/test/java/com/ning/billing/entitlement/engine/dao/EntitlementDaoMemoryMock.java
@@ -40,7 +40,7 @@ import com.ning.billing.entitlement.events.IEvent;
 import com.ning.billing.entitlement.events.IEvent.EventType;
 import com.ning.billing.entitlement.events.IEventLyfecycle.IEventLyfecycleState;
 import com.ning.billing.entitlement.events.user.ApiEventType;
-import com.ning.billing.entitlement.events.user.IUserEvent;
+import com.ning.billing.entitlement.events.user.IApiEvent;
 import com.ning.billing.util.clock.IClock;
 
 public class EntitlementDaoMemoryMock implements IEntitlementDao, IEntitlementDaoMock {
@@ -294,7 +294,7 @@ public class EntitlementDaoMemoryMock implements IEntitlementDao, IEntitlementDa
                     continue;
                 }
                 if (cur.getType() == EventType.API_USER &&
-                        ApiEventType.CHANGE == ((IUserEvent) cur).getEventType() &&
+                        ApiEventType.CHANGE == ((IApiEvent) cur).getEventType() &&
                         cur.getProcessingState() == IEventLyfecycleState.AVAILABLE) {
                     cur.deactivate();
                     break;
@@ -315,7 +315,7 @@ public class EntitlementDaoMemoryMock implements IEntitlementDao, IEntitlementDa
                     continue;
                 }
                 if (cur.getType() == EventType.API_USER &&
-                        ((IUserEvent) cur).getEventType() == ApiEventType.CANCEL) {
+                        ((IApiEvent) cur).getEventType() == ApiEventType.CANCEL) {
                     cur.deactivate();
                     foundCancel = true;
                     break;
diff --git a/entitlement/src/test/java/com/ning/billing/entitlement/glue/EngineModuleMock.java b/entitlement/src/test/java/com/ning/billing/entitlement/glue/EngineModuleMock.java
index d70a2f7..de812ee 100644
--- a/entitlement/src/test/java/com/ning/billing/entitlement/glue/EngineModuleMock.java
+++ b/entitlement/src/test/java/com/ning/billing/entitlement/glue/EngineModuleMock.java
@@ -18,6 +18,7 @@ package com.ning.billing.entitlement.glue;
 
 import com.ning.billing.util.clock.ClockMock;
 import com.ning.billing.util.clock.IClock;
+import com.ning.billing.util.glue.EventBusModule;
 
 public class EngineModuleMock extends EntitlementModule {
 
@@ -29,6 +30,7 @@ public class EngineModuleMock extends EntitlementModule {
     @Override
     protected void configure() {
         super.configure();
+        install(new EventBusModule());
     }
 
 }

invoice/pom.xml 2(+1 -1)

diff --git a/invoice/pom.xml b/invoice/pom.xml
index 3e589ad..0958498 100644
--- a/invoice/pom.xml
+++ b/invoice/pom.xml
@@ -13,7 +13,7 @@
     <parent>
         <groupId>com.ning.billing</groupId>
         <artifactId>killbill</artifactId>
-        <version>0.0.13-SNAPSHOT</version>
+        <version>0.0.14-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>killbill-invoice</artifactId>

payment/pom.xml 2(+1 -1)

diff --git a/payment/pom.xml b/payment/pom.xml
index b902c81..e69d221 100644
--- a/payment/pom.xml
+++ b/payment/pom.xml
@@ -13,7 +13,7 @@
     <parent>
         <groupId>com.ning.billing</groupId>
         <artifactId>killbill</artifactId>
-        <version>0.0.13-SNAPSHOT</version>
+        <version>0.0.14-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>killbill-payment</artifactId>

pom.xml 3(+2 -1)

diff --git a/pom.xml b/pom.xml
index bf8e215..8038652 100644
--- a/pom.xml
+++ b/pom.xml
@@ -17,7 +17,7 @@
     <groupId>com.ning.billing</groupId>
     <artifactId>killbill</artifactId>
     <packaging>pom</packaging>
-    <version>0.0.13-SNAPSHOT</version>
+    <version>0.0.14-SNAPSHOT</version>
     <name>killbill</name>
     <description>Library for managing recurring subscriptions and the associated billing</description>
     <url>http://github.com/ning/killbill</url>
@@ -373,6 +373,7 @@
                 <artifactId>maven-surefire-plugin</artifactId>
                 <version>2.6</version>
                 <configuration>
+                    <useManifestOnlyJar>false</useManifestOnlyJar>
                     <systemPropertyVariables>
                         <log4j.configuration>file:${project.basedir}/src/test/resources/log4j.xml</log4j.configuration>
                     </systemPropertyVariables>

util/pom.xml 11(+5 -6)

diff --git a/util/pom.xml b/util/pom.xml
index e451499..3f3a40e 100644
--- a/util/pom.xml
+++ b/util/pom.xml
@@ -13,7 +13,7 @@
     <parent>
         <groupId>com.ning.billing</groupId>
         <artifactId>killbill</artifactId>
-        <version>0.0.13-SNAPSHOT</version>
+        <version>0.0.14-SNAPSHOT</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
     <artifactId>killbill-util</artifactId>
@@ -29,6 +29,10 @@
             <artifactId>bonecp</artifactId>
         </dependency>
         <dependency>
+            <groupId>org.jdbi</groupId>
+            <artifactId>jdbi</artifactId>
+        </dependency>
+        <dependency>
             <groupId>com.google.inject</groupId>
             <artifactId>guice</artifactId>
             <version>3.0</version>
@@ -47,11 +51,6 @@
             <scope>test</scope>
         </dependency>
         <dependency>
-            <groupId>org.jdbi</groupId>
-            <artifactId>jdbi</artifactId>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
             <groupId>org.testng</groupId>
             <artifactId>testng</artifactId>
             <scope>test</scope>
diff --git a/util/src/main/java/com/ning/billing/util/eventbus/EventBusService.java b/util/src/main/java/com/ning/billing/util/eventbus/EventBusService.java
new file mode 100644
index 0000000..53c07c9
--- /dev/null
+++ b/util/src/main/java/com/ning/billing/util/eventbus/EventBusService.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2010-2011 Ning, Inc.
+ *
+ * Ning licenses this file to you under the Apache License, version 2.0
+ * (the "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at:
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ */
+
+package com.ning.billing.util.eventbus;
+
+import com.google.inject.Inject;
+import com.ning.billing.lifecycle.LyfecycleHandlerType;
+import com.ning.billing.lifecycle.LyfecycleHandlerType.LyfecycleLevel;
+
+public class EventBusService implements IEventBusService {
+
+    private final static String EVENT_BUS_SERVICE = "eventbus-service";
+
+    private final IEventBus eventBus;
+
+    @Inject
+    public EventBusService(IEventBus eventBus) {
+        this.eventBus = eventBus;
+    }
+
+    @Override
+    public String getName() {
+        return EVENT_BUS_SERVICE;
+    }
+
+    @LyfecycleHandlerType(LyfecycleLevel.INIT_BUS)
+    public void startBus() {
+        eventBus.start();
+    }
+
+    @LyfecycleHandlerType(LyfecycleLevel.STOP_BUS)
+    public void stopBus() {
+        eventBus.stop();
+    }
+
+    @Override
+    public IEventBus getEventBus() {
+        return eventBus;
+    }
+
+}
diff --git a/util/src/main/java/com/ning/billing/util/eventbus/MemoryEventBus.java b/util/src/main/java/com/ning/billing/util/eventbus/MemoryEventBus.java
new file mode 100644
index 0000000..7cc0453
--- /dev/null
+++ b/util/src/main/java/com/ning/billing/util/eventbus/MemoryEventBus.java
@@ -0,0 +1,131 @@
+/*
+ * Copyright 2010-2011 Ning, Inc.
+ *
+ * Ning licenses this file to you under the Apache License, version 2.0
+ * (the "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at:
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ */
+
+package com.ning.billing.util.eventbus;
+
+import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ThreadFactory;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import org.skife.jdbi.v2.sqlobject.mixins.Transmogrifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.eventbus.AsyncEventBus;
+
+public class MemoryEventBus implements IEventBus {
+
+    // STEPH config ?
+    private final static int MAX_EVENT_THREADS = 1;
+
+    private final static String EVENT_BUS_IDENTIFIER = "eventbus-service";
+    private final static String EVENT_BUS_GROUP_NAME = "eventbus-grp";
+    private final static String EVENT_BUS_TH_NAME = "eventbus-th";
+
+    private static final Logger log = LoggerFactory.getLogger(MemoryEventBus.class);
+
+    private final EventBusDelegate delegate;
+    private final AtomicBoolean isInitialized;
+
+    public class EventBusDelegate extends AsyncEventBus {
+
+        private final Executor executor;
+        private final ThreadGroup grp;
+
+        public EventBusDelegate(String name, ThreadGroup grp, Executor executor) {
+            super(name, executor);
+            this.executor = executor;
+            this.grp = grp;
+        }
+
+        public void completeDispatch() {
+            dispatchQueuedEvents();
+        }
+
+        // No way to really 'stop' an executor; what we do is:
+        // i) disallow any new events into the queue
+        // ii) empty the queue
+        //
+        // That will only work if the event submitter handles EventBusException correctly when posting.
+        //
+        public void stop() {
+        }
+    }
+
+    public MemoryEventBus() {
+
+        final ThreadGroup group = new ThreadGroup(EVENT_BUS_GROUP_NAME);
+        Executor executor = Executors.newFixedThreadPool(MAX_EVENT_THREADS, new ThreadFactory() {
+            @Override
+            public Thread newThread(Runnable r) {
+                return new Thread(group, r, EVENT_BUS_TH_NAME);
+            }
+        });
+
+        this.delegate = new EventBusDelegate(EVENT_BUS_IDENTIFIER, group, executor);
+        this.isInitialized = new AtomicBoolean(false);
+    }
+
+    @Override
+    public void register(Object handlerInstnace) throws EventBusException {
+        checkInitialized("register");
+        delegate.register(handlerInstnace);
+    }
+
+    @Override
+    public void unregister(Object handlerInstance) throws EventBusException {
+        checkInitialized("unregister");
+        delegate.unregister(handlerInstance);
+    }
+
+    @Override
+    public void post(IEventBusType event) throws EventBusException {
+        checkInitialized("post");
+        delegate.post(event);
+    }
+
+    @Override
+    public void postFromTransaction(IEventBusType event, Transmogrifier dao) throws EventBusException {
+        checkInitialized("postFromTransaction");
+        delegate.post(event);
+    }
+
+    @Override
+    public void start() {
+        if (isInitialized.compareAndSet(false, true)) {
+            log.info("MemoryEventBus started...");
+
+        }
+    }
+
+
+    private void checkInitialized(String operation) throws EventBusException {
+        if (!isInitialized.get()) {
+            throw new EventBusException(String.format("Attempting operation %s on an non initialized eventbus",
+                    operation));
+        }
+    }
+    @Override
+    public void stop() {
+        if (isInitialized.compareAndSet(true, false)) {
+            log.info("MemoryEventBus stopping...");
+            delegate.completeDispatch();
+            delegate.stop();
+            log.info("MemoryEventBus stoped...");
+        }
+    }
+}
diff --git a/util/src/main/java/com/ning/billing/util/glue/EventBusModule.java b/util/src/main/java/com/ning/billing/util/glue/EventBusModule.java
new file mode 100644
index 0000000..e6e995a
--- /dev/null
+++ b/util/src/main/java/com/ning/billing/util/glue/EventBusModule.java
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2010-2011 Ning, Inc.
+ *
+ * Ning licenses this file to you under the Apache License, version 2.0
+ * (the "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at:
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ */
+
+package com.ning.billing.util.glue;
+
+import com.google.inject.AbstractModule;
+import com.ning.billing.util.eventbus.EventBusService;
+import com.ning.billing.util.eventbus.IEventBus;
+import com.ning.billing.util.eventbus.IEventBusService;
+import com.ning.billing.util.eventbus.MemoryEventBus;
+
+public class EventBusModule extends AbstractModule {
+
+    @Override
+    protected void configure() {
+        bind(IEventBusService.class).to(EventBusService.class);
+        bind(IEventBus.class).to(MemoryEventBus.class).asEagerSingleton();
+
+    }
+
+}
diff --git a/util/src/test/java/com/ning/billing/util/eventbus/TestEventBus.java b/util/src/test/java/com/ning/billing/util/eventbus/TestEventBus.java
new file mode 100644
index 0000000..e4e41df
--- /dev/null
+++ b/util/src/test/java/com/ning/billing/util/eventbus/TestEventBus.java
@@ -0,0 +1,110 @@
+/*
+ * Copyright 2010-2011 Ning, Inc.
+ *
+ * Ning licenses this file to you under the Apache License, version 2.0
+ * (the "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at:
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ */
+
+package com.ning.billing.util.eventbus;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.testng.Assert;
+import org.testng.annotations.AfterClass;
+import org.testng.annotations.BeforeClass;
+import org.testng.annotations.Test;
+
+import com.google.common.eventbus.Subscribe;
+
+public class TestEventBus {
+
+    private static final Logger log = LoggerFactory.getLogger(TestEventBus.class);
+
+    private IEventBus eventBus;
+
+
+    @BeforeClass
+    public void setup() {
+        eventBus = new MemoryEventBus();
+        eventBus.start();
+    }
+
+    @AfterClass
+    public void tearDown() {
+        eventBus.stop();
+    }
+
+    public static final class MyEvent implements IEventBusType {
+        String name;
+        Long value;
+
+        public MyEvent(String name, Long value) {
+            this.name = name;
+            this.value = value;
+        }
+    }
+
+    public static class MyEventHandler {
+
+        private final int expectedEvents;
+
+        private int gotEvents;
+
+
+        public MyEventHandler(int exp) {
+            this.expectedEvents = exp;
+            this.gotEvents = 0;
+        }
+
+        public synchronized int getEvents() {
+            return gotEvents;
+        }
+
+        @Subscribe
+        public synchronized void processEvent(MyEvent event) {
+            gotEvents++;
+            log.info("Got event {} {}", event.name, event.value);
+        }
+
+        public synchronized boolean waitForCompletion(long timeoutMs) {
+
+            while (gotEvents < expectedEvents) {
+                try {
+                    wait(timeoutMs);
+                    break;
+                } catch (InterruptedException ignore) {
+                }
+            }
+            return (gotEvents == expectedEvents);
+        }
+    }
+
+    @Test()
+    public void test() {
+        try {
+
+            int nbEvents = 127;
+            MyEventHandler handler = new MyEventHandler(nbEvents);
+            eventBus.register(handler);
+
+            for (int i = 0; i < nbEvents; i++) {
+                eventBus.post(new MyEvent("my-event", (long) i));
+            }
+
+            boolean completed = handler.waitForCompletion(3000);
+            Assert.assertEquals(completed, true);
+        } catch (Exception e) {
+            Assert.fail("",e);
+        }
+
+    }
+}
diff --git a/util/src/test/resources/log4j.xml b/util/src/test/resources/log4j.xml
index 75abc76..ded1f80 100644
--- a/util/src/test/resources/log4j.xml
+++ b/util/src/test/resources/log4j.xml
@@ -25,7 +25,7 @@
     </appender>
 
 
-    <logger name="com.ning.billing.entitlement">
+    <logger name="com.ning.billing.util">
         <level value="info"/>
     </logger>