killbill-memoizeit

tag: link system tags to application object types Some system

8/21/2012 8:42:39 PM

Details

diff --git a/api/src/main/java/com/ning/billing/util/tag/ControlTagType.java b/api/src/main/java/com/ning/billing/util/tag/ControlTagType.java
index 361f9bf..2f9555f 100644
--- a/api/src/main/java/com/ning/billing/util/tag/ControlTagType.java
+++ b/api/src/main/java/com/ning/billing/util/tag/ControlTagType.java
@@ -16,26 +16,34 @@
 
 package com.ning.billing.util.tag;
 
+import java.util.List;
 import java.util.UUID;
 
+import com.ning.billing.util.dao.ObjectType;
+
+import com.google.common.collect.ImmutableList;
+
 public enum ControlTagType {
 
-    AUTO_PAY_OFF(new UUID(0, 1), "Suspends payments until removed.", true, false),
-    AUTO_INVOICING_OFF(new UUID(0, 2), "Suspends invoicing until removed.", false, true),
-    OVERDUE_ENFORCEMENT_OFF(new UUID(0, 3), "Suspends overdue enforcement behaviour until removed.", false, false),
-    WRITTEN_OFF(new UUID(0, 4), "Indicates that an invoice is written off. No billing or payment effect.", false, false),
-    MANUAL_PAY(new UUID(0, 5), "Indicates that Killbill doesn't process payments for that account (external payments only)", true, false);
+    AUTO_PAY_OFF(new UUID(0, 1), "Suspends payments until removed.", true, false, ImmutableList.<ObjectType>of(ObjectType.ACCOUNT)),
+    AUTO_INVOICING_OFF(new UUID(0, 2), "Suspends invoicing until removed.", false, true, ImmutableList.<ObjectType>of(ObjectType.ACCOUNT)),
+    OVERDUE_ENFORCEMENT_OFF(new UUID(0, 3), "Suspends overdue enforcement behaviour until removed.", false, false, ImmutableList.<ObjectType>of(ObjectType.ACCOUNT)),
+    WRITTEN_OFF(new UUID(0, 4), "Indicates that an invoice is written off. No billing or payment effect.", false, false, ImmutableList.<ObjectType>of(ObjectType.INVOICE)),
+    MANUAL_PAY(new UUID(0, 5), "Indicates that Killbill doesn't process payments for that account (external payments only)", true, false, ImmutableList.<ObjectType>of(ObjectType.ACCOUNT));
 
     private final UUID id;
     private final String description;
     private final boolean autoPaymentOff;
     private final boolean autoInvoicingOff;
+    private final List<ObjectType> applicableObjectTypes;
 
-    ControlTagType(final UUID id, final String description, final boolean autoPaymentOff, final boolean autoInvoicingOff) {
+    ControlTagType(final UUID id, final String description, final boolean autoPaymentOff, final boolean autoInvoicingOff,
+                   final List<ObjectType> applicableObjectTypes) {
         this.id = id;
         this.description = description;
         this.autoPaymentOff = autoPaymentOff;
         this.autoInvoicingOff = autoInvoicingOff;
+        this.applicableObjectTypes = applicableObjectTypes;
     }
 
     public UUID getId() {
@@ -53,4 +61,8 @@ public enum ControlTagType {
     public boolean getAutoInvoicingOff() {
         return this.autoInvoicingOff;
     }
+
+    public List<ObjectType> getApplicableObjectTypes() {
+        return applicableObjectTypes;
+    }
 }
diff --git a/api/src/main/java/com/ning/billing/util/tag/TagDefinition.java b/api/src/main/java/com/ning/billing/util/tag/TagDefinition.java
index 9471734..6114060 100644
--- a/api/src/main/java/com/ning/billing/util/tag/TagDefinition.java
+++ b/api/src/main/java/com/ning/billing/util/tag/TagDefinition.java
@@ -16,16 +16,23 @@
 
 package com.ning.billing.util.tag;
 
-import com.fasterxml.jackson.annotation.JsonTypeInfo;
+import java.util.List;
+
+import com.ning.billing.util.dao.ObjectType;
 import com.ning.billing.util.entity.Entity;
 
+import com.fasterxml.jackson.annotation.JsonTypeInfo;
+
 // TODO: needs to surface created date, created by
 
 @JsonTypeInfo(use = JsonTypeInfo.Id.CLASS, include = JsonTypeInfo.As.PROPERTY, property = "@class")
 public interface TagDefinition extends Entity {
+
     String getName();
 
     String getDescription();
 
     Boolean isControlTag();
+
+    List<ObjectType> getApplicableObjectTypes();
 }
diff --git a/jaxrs/src/main/java/com/ning/billing/jaxrs/json/TagDefinitionJson.java b/jaxrs/src/main/java/com/ning/billing/jaxrs/json/TagDefinitionJson.java
index d9cf279..630c5ae 100644
--- a/jaxrs/src/main/java/com/ning/billing/jaxrs/json/TagDefinitionJson.java
+++ b/jaxrs/src/main/java/com/ning/billing/jaxrs/json/TagDefinitionJson.java
@@ -16,12 +16,18 @@
 
 package com.ning.billing.jaxrs.json;
 
+import java.util.List;
+
 import javax.annotation.Nullable;
 
+import com.ning.billing.util.dao.ObjectType;
 import com.ning.billing.util.tag.TagDefinition;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonProperty;
+import com.google.common.base.Function;
+import com.google.common.collect.Collections2;
+import com.google.common.collect.ImmutableList;
 
 public class TagDefinitionJson {
 
@@ -29,20 +35,33 @@ public class TagDefinitionJson {
     private final Boolean isControlTag;
     private final String name;
     private final String description;
+    private final List<String> applicableObjectTypes;
 
     @JsonCreator
     public TagDefinitionJson(@JsonProperty("id") final String id,
                              @JsonProperty("isControlTag") final Boolean isControlTag,
                              @JsonProperty("name") final String name,
-                             @JsonProperty("description") @Nullable final String description) {
+                             @JsonProperty("description") @Nullable final String description,
+                             @JsonProperty("applicableObjectTypes") @Nullable final List<String> applicableObjectTypes) {
         this.id = id;
         this.isControlTag = isControlTag;
         this.name = name;
         this.description = description;
+        this.applicableObjectTypes = applicableObjectTypes;
     }
 
     public TagDefinitionJson(final TagDefinition tagDefinition) {
-        this(tagDefinition.getId().toString(), tagDefinition.isControlTag(), tagDefinition.getName(), tagDefinition.getDescription());
+        this(tagDefinition.getId().toString(), tagDefinition.isControlTag(), tagDefinition.getName(),
+             tagDefinition.getDescription(), ImmutableList.<String>copyOf(Collections2.transform(tagDefinition.getApplicableObjectTypes(), new Function<ObjectType, String>() {
+            @Override
+            public String apply(@Nullable final ObjectType input) {
+                if (input == null) {
+                    return "";
+                } else {
+                    return input.toString();
+                }
+            }
+        })));
     }
 
     public String getId() {
@@ -62,6 +81,10 @@ public class TagDefinitionJson {
         return description;
     }
 
+    public List<String> getApplicableObjectTypes() {
+        return applicableObjectTypes;
+    }
+
     @Override
     public String toString() {
         final StringBuilder sb = new StringBuilder();
@@ -70,6 +93,7 @@ public class TagDefinitionJson {
         sb.append(", isControlTag=").append(isControlTag);
         sb.append(", name='").append(name).append('\'');
         sb.append(", description='").append(description).append('\'');
+        sb.append(", applicableObjectTypes='").append(applicableObjectTypes).append('\'');
         sb.append('}');
         return sb.toString();
     }
@@ -105,6 +129,9 @@ public class TagDefinitionJson {
         if (name != null ? !name.equals(that.name) : that.name != null) {
             return false;
         }
+        if (applicableObjectTypes != null ? !applicableObjectTypes.equals(that.applicableObjectTypes) : that.applicableObjectTypes != null) {
+            return false;
+        }
 
         return true;
     }
@@ -115,6 +142,7 @@ public class TagDefinitionJson {
         result = 31 * result + (isControlTag != null ? isControlTag.hashCode() : 0);
         result = 31 * result + (name != null ? name.hashCode() : 0);
         result = 31 * result + (description != null ? description.hashCode() : 0);
+        result = 31 * result + (applicableObjectTypes != null ? applicableObjectTypes.hashCode() : 0);
         return result;
     }
 }
diff --git a/jaxrs/src/test/java/com/ning/billing/jaxrs/json/TestTagDefinitionJson.java b/jaxrs/src/test/java/com/ning/billing/jaxrs/json/TestTagDefinitionJson.java
index 2bfe258..6aa44ed 100644
--- a/jaxrs/src/test/java/com/ning/billing/jaxrs/json/TestTagDefinitionJson.java
+++ b/jaxrs/src/test/java/com/ning/billing/jaxrs/json/TestTagDefinitionJson.java
@@ -24,6 +24,7 @@ import org.testng.annotations.Test;
 import com.ning.billing.jaxrs.JaxrsTestSuite;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.google.common.collect.ImmutableList;
 
 public class TestTagDefinitionJson extends JaxrsTestSuite {
 
@@ -35,11 +36,13 @@ public class TestTagDefinitionJson extends JaxrsTestSuite {
         final Boolean isControlTag = true;
         final String name = UUID.randomUUID().toString();
         final String description = UUID.randomUUID().toString();
-        final TagDefinitionJson tagDefinitionJson = new TagDefinitionJson(id, isControlTag, name, description);
+        final ImmutableList<String> applicableObjectTypes = ImmutableList.<String>of(UUID.randomUUID().toString());
+        final TagDefinitionJson tagDefinitionJson = new TagDefinitionJson(id, isControlTag, name, description, applicableObjectTypes);
         Assert.assertEquals(tagDefinitionJson.getId(), id);
         Assert.assertEquals(tagDefinitionJson.isControlTag(), isControlTag);
         Assert.assertEquals(tagDefinitionJson.getName(), name);
         Assert.assertEquals(tagDefinitionJson.getDescription(), description);
+        Assert.assertEquals(tagDefinitionJson.getApplicableObjectTypes(), applicableObjectTypes);
 
         final String asJson = mapper.writeValueAsString(tagDefinitionJson);
         final TagDefinitionJson fromJson = mapper.readValue(asJson, TagDefinitionJson.class);
diff --git a/server/src/test/java/com/ning/billing/jaxrs/TestAccount.java b/server/src/test/java/com/ning/billing/jaxrs/TestAccount.java
index 226f4ea..cfe911d 100644
--- a/server/src/test/java/com/ning/billing/jaxrs/TestAccount.java
+++ b/server/src/test/java/com/ning/billing/jaxrs/TestAccount.java
@@ -44,6 +44,7 @@ import com.ning.billing.jaxrs.resources.JaxrsResource;
 import com.ning.http.client.Response;
 
 import com.fasterxml.jackson.core.type.TypeReference;
+import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 
 import static org.testng.Assert.assertEquals;
@@ -259,7 +260,8 @@ public class TestAccount extends TestJaxrsBase {
     public void testTags() throws Exception {
 
         // Use tag definition for AUTO_PAY_OFF
-        final TagDefinitionJson input = new TagDefinitionJson(new UUID(0, 1).toString(), "AUTO_PAY_OFF", "nothing more to say");
+        final TagDefinitionJson input = new TagDefinitionJson(new UUID(0, 1).toString(), false, "AUTO_PAY_OFF",
+                                                              "nothing more to say", ImmutableList.<String>of());
 
         final Map<String, String> queryParams = new HashMap<String, String>();
         queryParams.put(JaxrsResource.QUERY_TAGS, input.getId());
diff --git a/server/src/test/java/com/ning/billing/jaxrs/TestTag.java b/server/src/test/java/com/ning/billing/jaxrs/TestTag.java
index 2fbf239..fa84c93 100644
--- a/server/src/test/java/com/ning/billing/jaxrs/TestTag.java
+++ b/server/src/test/java/com/ning/billing/jaxrs/TestTag.java
@@ -27,6 +27,7 @@ import com.ning.billing.jaxrs.resources.JaxrsResource;
 import com.ning.http.client.Response;
 
 import com.fasterxml.jackson.core.type.TypeReference;
+import com.google.common.collect.ImmutableList;
 
 import static org.testng.Assert.assertEquals;
 import static org.testng.Assert.assertNotNull;
@@ -36,7 +37,7 @@ public class TestTag extends TestJaxrsBase {
 
     @Test(groups = "slow")
     public void testTagDefinitionOk() throws Exception {
-        final TagDefinitionJson input = new TagDefinitionJson(null, "blue", "relaxing color");
+        final TagDefinitionJson input = new TagDefinitionJson(null, false, "blue", "relaxing color", ImmutableList.<String>of());
         String baseJson = mapper.writeValueAsString(input);
         Response response = doPost(JaxrsResource.TAG_DEFINITIONS_PATH, baseJson, DEFAULT_EMPTY_QUERY, DEFAULT_HTTP_TIMEOUT_SEC);
         assertEquals(response.getStatusCode(), Status.CREATED.getStatusCode());
@@ -51,7 +52,8 @@ public class TestTag extends TestJaxrsBase {
         baseJson = response.getResponseBody();
         final TagDefinitionJson objFromJson = mapper.readValue(baseJson, TagDefinitionJson.class);
         assertNotNull(objFromJson);
-        assertTrue(objFromJson.equalsNoId(input));
+        assertEquals(objFromJson.getName(), input.getName());
+        assertEquals(objFromJson.getDescription(), input.getDescription());
     }
 
     @Test(groups = "slow")
@@ -63,22 +65,22 @@ public class TestTag extends TestJaxrsBase {
         List<TagDefinitionJson> objFromJson = mapper.readValue(baseJson, new TypeReference<List<TagDefinitionJson>>() {});
         final int sizeSystemTag = (objFromJson == null || objFromJson.size() == 0) ? 0 : objFromJson.size();
 
-        final TagDefinitionJson inputBlue = new TagDefinitionJson(null, "blue", "relaxing color");
+        final TagDefinitionJson inputBlue = new TagDefinitionJson(null, false, "blue", "relaxing color", ImmutableList.<String>of());
         baseJson = mapper.writeValueAsString(inputBlue);
         response = doPost(JaxrsResource.TAG_DEFINITIONS_PATH, baseJson, DEFAULT_EMPTY_QUERY, DEFAULT_HTTP_TIMEOUT_SEC);
         assertEquals(response.getStatusCode(), Status.CREATED.getStatusCode());
 
-        final TagDefinitionJson inputRed = new TagDefinitionJson(null, "red", "hot color");
+        final TagDefinitionJson inputRed = new TagDefinitionJson(null, false, "red", "hot color", ImmutableList.<String>of());
         baseJson = mapper.writeValueAsString(inputRed);
         response = doPost(JaxrsResource.TAG_DEFINITIONS_PATH, baseJson, DEFAULT_EMPTY_QUERY, DEFAULT_HTTP_TIMEOUT_SEC);
         assertEquals(response.getStatusCode(), Status.CREATED.getStatusCode());
 
-        final TagDefinitionJson inputYellow = new TagDefinitionJson(null, "yellow", "vibrant color");
+        final TagDefinitionJson inputYellow = new TagDefinitionJson(null, false, "yellow", "vibrant color", ImmutableList.<String>of());
         baseJson = mapper.writeValueAsString(inputYellow);
         response = doPost(JaxrsResource.TAG_DEFINITIONS_PATH, baseJson, DEFAULT_EMPTY_QUERY, DEFAULT_HTTP_TIMEOUT_SEC);
         assertEquals(response.getStatusCode(), Status.CREATED.getStatusCode());
 
-        final TagDefinitionJson inputGreen = new TagDefinitionJson(null, "green", "super relaxing color");
+        final TagDefinitionJson inputGreen = new TagDefinitionJson(null, false, "green", "super relaxing color", ImmutableList.<String>of());
         baseJson = mapper.writeValueAsString(inputGreen);
         response = doPost(JaxrsResource.TAG_DEFINITIONS_PATH, baseJson, DEFAULT_EMPTY_QUERY, DEFAULT_HTTP_TIMEOUT_SEC);
         assertEquals(response.getStatusCode(), Status.CREATED.getStatusCode());
diff --git a/util/src/main/java/com/ning/billing/util/tag/dao/AuditedTagDao.java b/util/src/main/java/com/ning/billing/util/tag/dao/AuditedTagDao.java
index 7cf580e..95b1991 100644
--- a/util/src/main/java/com/ning/billing/util/tag/dao/AuditedTagDao.java
+++ b/util/src/main/java/com/ning/billing/util/tag/dao/AuditedTagDao.java
@@ -73,14 +73,14 @@ public class AuditedTagDao extends AuditedCollectionDaoBase<Tag, Tag> implements
         throws TagApiException {
 
         TagDefinition tagDefintion = null;
-        for (ControlTagType t : ControlTagType.values()) {
+        for (final ControlTagType t : ControlTagType.values()) {
             if (t.getId().equals(tagDefinitionId)) {
-                tagDefintion = new DefaultTagDefinition(t.getId(), t.toString(), t.getDescription(), true);
+                tagDefintion = new DefaultTagDefinition(t);
                 break;
             }
         }
         if (tagDefintion == null) {
-            TagDefinitionSqlDao transTagDefintionSqlDao = tagSqlDao.become(TagDefinitionSqlDao.class);
+            final TagDefinitionSqlDao transTagDefintionSqlDao = tagSqlDao.become(TagDefinitionSqlDao.class);
             tagDefintion = transTagDefintionSqlDao.getById(tagDefinitionId.toString());
         }
 
diff --git a/util/src/main/java/com/ning/billing/util/tag/dao/DefaultTagDefinitionDao.java b/util/src/main/java/com/ning/billing/util/tag/dao/DefaultTagDefinitionDao.java
index fc0ddf2..30700a1 100644
--- a/util/src/main/java/com/ning/billing/util/tag/dao/DefaultTagDefinitionDao.java
+++ b/util/src/main/java/com/ning/billing/util/tag/dao/DefaultTagDefinitionDao.java
@@ -63,16 +63,16 @@ public class DefaultTagDefinitionDao implements TagDefinitionDao {
 
         // Add control tag definitions
         for (final ControlTagType controlTag : ControlTagType.values()) {
-            definitionList.add(new DefaultTagDefinition(controlTag.getId(), controlTag.toString(), controlTag.getDescription(), true));
+            definitionList.add(new DefaultTagDefinition(controlTag));
         }
         return definitionList;
     }
 
     @Override
-    public TagDefinition getByName(String definitionName) {
+    public TagDefinition getByName(final String definitionName) {
         for (final ControlTagType controlTag : ControlTagType.values()) {
             if (controlTag.name().equals(definitionName)) {
-                return new DefaultTagDefinition(controlTag.getId(), controlTag.toString(), controlTag.getDescription(), true);
+                return new DefaultTagDefinition(controlTag);
             }
          }
         return tagDefinitionSqlDao.getByName(definitionName);
@@ -83,7 +83,7 @@ public class DefaultTagDefinitionDao implements TagDefinitionDao {
     public TagDefinition getById(final UUID definitionId) {
         for (final ControlTagType controlTag : ControlTagType.values()) {
             if (controlTag.getId().equals(definitionId)) {
-                return new DefaultTagDefinition(controlTag.getId(), controlTag.toString(), controlTag.getDescription(), true);
+                return new DefaultTagDefinition(controlTag);
             }
         }
         return tagDefinitionSqlDao.getById(definitionId.toString());
@@ -91,12 +91,11 @@ public class DefaultTagDefinitionDao implements TagDefinitionDao {
 
     @Override
     public List<TagDefinition> getByIds(final Collection<UUID> definitionIds) {
-
-        List<TagDefinition> result = new LinkedList<TagDefinition>();
+        final List<TagDefinition> result = new LinkedList<TagDefinition>();
         for (final UUID cur : definitionIds) {
             for (final ControlTagType controlTag : ControlTagType.values()) {
                 if (controlTag.getId().equals(cur)) {
-                    result.add(new DefaultTagDefinition(controlTag.getId(), controlTag.toString(), controlTag.getDescription(), true));
+                    result.add(new DefaultTagDefinition(controlTag));
                     break;
                 }
             }
diff --git a/util/src/main/java/com/ning/billing/util/tag/DefaultTagDefinition.java b/util/src/main/java/com/ning/billing/util/tag/DefaultTagDefinition.java
index 3e566a5..8b0d38c 100644
--- a/util/src/main/java/com/ning/billing/util/tag/DefaultTagDefinition.java
+++ b/util/src/main/java/com/ning/billing/util/tag/DefaultTagDefinition.java
@@ -16,30 +16,46 @@
 
 package com.ning.billing.util.tag;
 
+import java.util.List;
 import java.util.UUID;
 
+import com.ning.billing.util.dao.ObjectType;
+import com.ning.billing.util.entity.EntityBase;
+
 import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonProperty;
-import com.ning.billing.util.entity.EntityBase;
+import com.google.common.collect.ImmutableList;
 
 public class DefaultTagDefinition extends EntityBase implements TagDefinition {
+
     private final String name;
     private final String description;
     private final Boolean controlTag;
+    private final List<ObjectType> applicableObjectTypes;
 
     public DefaultTagDefinition(final String name, final String description, final Boolean isControlTag) {
         this(UUID.randomUUID(), name, description, isControlTag);
     }
 
+    public DefaultTagDefinition(final UUID id, final String name, final String description, final Boolean isControlTag) {
+        this(id, name, description, isControlTag, ImmutableList.<ObjectType>copyOf(ObjectType.values()));
+    }
+
+    public DefaultTagDefinition(final ControlTagType controlTag) {
+        this(controlTag.getId(), controlTag.toString(), controlTag.getDescription(), true, controlTag.getApplicableObjectTypes());
+    }
+
     @JsonCreator
     public DefaultTagDefinition(@JsonProperty("id") final UUID id,
                                 @JsonProperty("name") final String name,
                                 @JsonProperty("description") final String description,
-                                @JsonProperty("controlTag") final Boolean controlTag) {
+                                @JsonProperty("controlTag") final Boolean controlTag,
+                                @JsonProperty("applicableObjectTypes") final List<ObjectType> applicableObjectTypes) {
         super(id);
         this.name = name;
         this.description = description;
         this.controlTag = controlTag;
+        this.applicableObjectTypes = applicableObjectTypes;
     }
 
     @Override
@@ -58,18 +74,22 @@ public class DefaultTagDefinition extends EntityBase implements TagDefinition {
     }
 
     @Override
+    public List<ObjectType> getApplicableObjectTypes() {
+        return applicableObjectTypes;
+    }
+
+    @Override
     public String toString() {
         final StringBuilder sb = new StringBuilder();
         sb.append("DefaultTagDefinition");
-        sb.append("{description='").append(description).append('\'');
-        sb.append(", name='").append(name).append('\'');
+        sb.append("{name='").append(name).append('\'');
+        sb.append(", description='").append(description).append('\'');
         sb.append(", controlTag=").append(controlTag);
+        sb.append(", applicableObjectTypes=").append(applicableObjectTypes);
         sb.append('}');
         return sb.toString();
     }
 
-
-
     @Override
     public boolean equals(final Object o) {
         if (this == o) {
@@ -78,29 +98,31 @@ public class DefaultTagDefinition extends EntityBase implements TagDefinition {
         if (o == null || getClass() != o.getClass()) {
             return false;
         }
+
         final DefaultTagDefinition that = (DefaultTagDefinition) o;
 
-        if (id != null ? !id.equals(that.id) : that.id != null) {
+        if (applicableObjectTypes != null ? !applicableObjectTypes.equals(that.applicableObjectTypes) : that.applicableObjectTypes != null) {
             return false;
         }
-        if (description != null ? !description.equals(that.description) : that.description != null) {
+        if (controlTag != null ? !controlTag.equals(that.controlTag) : that.controlTag != null) {
             return false;
         }
-        if (controlTag != null ? !controlTag.equals(that.controlTag) : that.controlTag != null) {
+        if (description != null ? !description.equals(that.description) : that.description != null) {
             return false;
         }
         if (name != null ? !name.equals(that.name) : that.name != null) {
             return false;
         }
+
         return true;
     }
 
     @Override
     public int hashCode() {
         int result = name != null ? name.hashCode() : 0;
-        result = 31 * result + (id != null ? id.hashCode() : 0);
         result = 31 * result + (description != null ? description.hashCode() : 0);
         result = 31 * result + (controlTag != null ? controlTag.hashCode() : 0);
+        result = 31 * result + (applicableObjectTypes != null ? applicableObjectTypes.hashCode() : 0);
         return result;
     }
 }