thingsboard-memoizeit

diff --git a/application/src/main/java/org/thingsboard/server/controller/AlarmController.java b/application/src/main/java/org/thingsboard/server/controller/AlarmController.java
index 6261e74..68cf2ce 100644
--- a/application/src/main/java/org/thingsboard/server/controller/AlarmController.java
+++ b/application/src/main/java/org/thingsboard/server/controller/AlarmController.java
@@ -93,6 +93,19 @@ public class AlarmController extends BaseController {
     }
 
     @PreAuthorize("hasAnyAuthority('SYS_ADMIN', 'TENANT_ADMIN', 'CUSTOMER_USER')")
+    @RequestMapping(value = "/alarm/{alarmId}", method = RequestMethod.DELETE)
+    @ResponseBody
+    public Boolean deleteAlarm(@PathVariable(ALARM_ID) String strAlarmId) throws ThingsboardException {
+        checkParameter(ALARM_ID, strAlarmId);
+        try {
+            AlarmId alarmId = new AlarmId(toUUID(strAlarmId));
+            return alarmService.deleteAlarm(getTenantId(), alarmId);
+        } catch (Exception e) {
+            throw handleException(e);
+        }
+    }
+
+    @PreAuthorize("hasAnyAuthority('SYS_ADMIN', 'TENANT_ADMIN', 'CUSTOMER_USER')")
     @RequestMapping(value = "/alarm/{alarmId}/ack", method = RequestMethod.POST)
     @ResponseStatus(value = HttpStatus.OK)
     public void ackAlarm(@PathVariable(ALARM_ID) String strAlarmId) throws ThingsboardException {

diff --git a/application/src/main/scripts/install/install_dev_db.sh b/application/src/main/scripts/install/install_dev_db.sh
index 212a2ac..70169e0 100644
--- a/application/src/main/scripts/install/install_dev_db.sh
+++ b/application/src/main/scripts/install/install_dev_db.sh
@@ -28,7 +28,7 @@ export LOADER_PATH=${BASE}/conf,${BASE}/extensions
 export SQL_DATA_FOLDER=${SQL_DATA_FOLDER:-/tmp}
 
 
-run_user=thingsboard
+run_user="$USER"
 
 sudo -u "$run_user" -s /bin/sh -c "java -cp ${jarfile} $JAVA_OPTS -Dloader.main=org.thingsboard.server.ThingsboardInstallApplication \
                     -Dinstall.data_dir=${installDir} \

diff --git a/dao/src/main/java/org/thingsboard/server/dao/alarm/AlarmDao.java b/dao/src/main/java/org/thingsboard/server/dao/alarm/AlarmDao.java
index 5d5456f..68bbbe4 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/alarm/AlarmDao.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/alarm/AlarmDao.java
@@ -31,6 +31,8 @@ import java.util.UUID;
  */
 public interface AlarmDao extends Dao<Alarm> {
 
+    Boolean deleteAlarm(TenantId tenantId, Alarm alarm);
+
     ListenableFuture<Alarm> findLatestByOriginatorAndType(TenantId tenantId, EntityId originator, String type);
 
     ListenableFuture<Alarm> findAlarmByIdAsync(TenantId tenantId, UUID key);

diff --git a/dao/src/main/java/org/thingsboard/server/dao/alarm/AlarmService.java b/dao/src/main/java/org/thingsboard/server/dao/alarm/AlarmService.java
index aace832..4cac094 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/alarm/AlarmService.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/alarm/AlarmService.java
@@ -35,6 +35,8 @@ public interface AlarmService {
 
     Alarm createOrUpdateAlarm(Alarm alarm);
 
+    Boolean deleteAlarm(TenantId tenantId, AlarmId alarmId);
+
     ListenableFuture<Boolean> ackAlarm(TenantId tenantId, AlarmId alarmId, long ackTs);
 
     ListenableFuture<Boolean> clearAlarm(TenantId tenantId, AlarmId alarmId, JsonNode details, long ackTs);

diff --git a/dao/src/main/java/org/thingsboard/server/dao/alarm/BaseAlarmService.java b/dao/src/main/java/org/thingsboard/server/dao/alarm/BaseAlarmService.java
index d0698b6..9405dd5 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/alarm/BaseAlarmService.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/alarm/BaseAlarmService.java
@@ -24,6 +24,7 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.util.StringUtils;
+import org.thingsboard.server.common.data.EntityType;
 import org.thingsboard.server.common.data.Tenant;
 import org.thingsboard.server.common.data.alarm.Alarm;
 import org.thingsboard.server.common.data.alarm.AlarmId;
@@ -118,6 +119,21 @@ public class BaseAlarmService extends AbstractEntityService implements AlarmServ
         return alarmDao.findLatestByOriginatorAndType(tenantId, originator, type);
     }
 
+    @Override
+    public Boolean deleteAlarm(TenantId tenantId, AlarmId alarmId) {
+        try {
+            log.debug("Deleting Alarm Id: {}", alarmId);
+            Alarm alarm = alarmDao.findAlarmByIdAsync(tenantId, alarmId.getId()).get();
+            if (alarm == null) {
+                return false;
+            }
+            deleteEntityRelations(tenantId, alarm.getId());
+            return alarmDao.deleteAlarm(tenantId, alarm);
+        } catch (ExecutionException | InterruptedException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
     private Alarm createAlarm(Alarm alarm) throws InterruptedException, ExecutionException {
         log.debug("New Alarm : {}", alarm);
         Alarm saved = alarmDao.save(alarm.getTenantId(), alarm);
@@ -127,9 +143,7 @@ public class BaseAlarmService extends AbstractEntityService implements AlarmServ
 
     private void createAlarmRelations(Alarm alarm) throws InterruptedException, ExecutionException {
         if (alarm.isPropagate()) {
-            EntityRelationsQuery query = new EntityRelationsQuery();
-            query.setParameters(new RelationsSearchParameters(alarm.getOriginator(), EntitySearchDirection.TO, Integer.MAX_VALUE));
-            List<EntityId> parentEntities = relationService.findByQuery(alarm.getTenantId(), query).get().stream().map(EntityRelation::getFrom).collect(Collectors.toList());
+            List<EntityId> parentEntities = getParentEntities(alarm);
             for (EntityId parentId : parentEntities) {
                 createAlarmRelation(alarm.getTenantId(), parentId, alarm.getId(), alarm.getStatus(), true);
             }
@@ -137,6 +151,12 @@ public class BaseAlarmService extends AbstractEntityService implements AlarmServ
         createAlarmRelation(alarm.getTenantId(), alarm.getOriginator(), alarm.getId(), alarm.getStatus(), true);
     }
 
+    private List<EntityId> getParentEntities(Alarm alarm) throws InterruptedException, ExecutionException {
+        EntityRelationsQuery query = new EntityRelationsQuery();
+        query.setParameters(new RelationsSearchParameters(alarm.getOriginator(), EntitySearchDirection.TO, Integer.MAX_VALUE));
+        return relationService.findByQuery(alarm.getTenantId(), query).get().stream().map(EntityRelation::getFrom).collect(Collectors.toList());
+    }
+
     private ListenableFuture<Alarm> updateAlarm(Alarm update) {
         alarmDataValidator.validate(update, Alarm::getTenantId);
         return getAndUpdate(update.getTenantId(), update.getId(), new Function<Alarm, Alarm>() {

diff --git a/dao/src/main/java/org/thingsboard/server/dao/alarm/CassandraAlarmDao.java b/dao/src/main/java/org/thingsboard/server/dao/alarm/CassandraAlarmDao.java
index ed8666f..48adbe3 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/alarm/CassandraAlarmDao.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/alarm/CassandraAlarmDao.java
@@ -15,6 +15,7 @@
  */
 package org.thingsboard.server.dao.alarm;
 
+import com.datastax.driver.core.Statement;
 import com.datastax.driver.core.querybuilder.QueryBuilder;
 import com.datastax.driver.core.querybuilder.Select;
 import com.google.common.util.concurrent.Futures;
@@ -79,6 +80,17 @@ public class CassandraAlarmDao extends CassandraAbstractModelDao<AlarmEntity, Al
     }
 
     @Override
+    public Boolean deleteAlarm(TenantId tenantId, Alarm alarm) {
+        Statement delete = QueryBuilder.delete().all().from(getColumnFamilyName()).where(eq(ModelConstants.ID_PROPERTY, alarm.getId().getId()))
+            .and(eq(ALARM_TENANT_ID_PROPERTY, tenantId.getId()))
+            .and(eq(ALARM_ORIGINATOR_ID_PROPERTY, alarm.getOriginator().getId()))
+            .and(eq(ALARM_ORIGINATOR_TYPE_PROPERTY, alarm.getOriginator().getEntityType()))
+            .and(eq(ALARM_TYPE_PROPERTY, alarm.getType()));
+        log.debug("Remove request: {}", delete.toString());
+        return executeWrite(tenantId, delete).wasApplied();
+    }
+
+    @Override
     public ListenableFuture<Alarm> findLatestByOriginatorAndType(TenantId tenantId, EntityId originator, String type) {
         Select select = select().from(ALARM_COLUMN_FAMILY_NAME);
         Select.Where query = select.where();

diff --git a/dao/src/main/java/org/thingsboard/server/dao/sql/alarm/JpaAlarmDao.java b/dao/src/main/java/org/thingsboard/server/dao/sql/alarm/JpaAlarmDao.java
index 2e071b1..3e2a80f 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sql/alarm/JpaAlarmDao.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sql/alarm/JpaAlarmDao.java
@@ -69,6 +69,11 @@ public class JpaAlarmDao extends JpaAbstractDao<AlarmEntity, Alarm> implements A
     }
 
     @Override
+    public Boolean deleteAlarm(TenantId tenantId, Alarm alarm) {
+        return removeById(tenantId, alarm.getUuidId());
+    }
+
+    @Override
     public ListenableFuture<Alarm> findLatestByOriginatorAndType(TenantId tenantId, EntityId originator, String type) {
         return service.submit(() -> {
             List<AlarmEntity> latest = alarmRepository.findLatestByOriginatorAndType(

diff --git a/dao/src/test/java/org/thingsboard/server/dao/service/BaseAlarmServiceTest.java b/dao/src/test/java/org/thingsboard/server/dao/service/BaseAlarmServiceTest.java
index 8c44374..50b2e7f 100644
--- a/dao/src/test/java/org/thingsboard/server/dao/service/BaseAlarmServiceTest.java
+++ b/dao/src/test/java/org/thingsboard/server/dao/service/BaseAlarmServiceTest.java
@@ -31,7 +31,9 @@ import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.page.TimePageData;
 import org.thingsboard.server.common.data.page.TimePageLink;
 import org.thingsboard.server.common.data.relation.EntityRelation;
+import org.thingsboard.server.common.data.relation.RelationTypeGroup;
 
+import java.util.List;
 import java.util.concurrent.ExecutionException;
 
 public abstract class BaseAlarmServiceTest extends AbstractServiceTest {
@@ -184,4 +186,85 @@ public abstract class BaseAlarmServiceTest extends AbstractServiceTest {
         Assert.assertEquals(1, alarms.getData().size());
         Assert.assertEquals(created, alarms.getData().get(0));
     }
+
+    @Test
+    public void testDeleteAlarm() throws ExecutionException, InterruptedException {
+        AssetId parentId = new AssetId(UUIDs.timeBased());
+        AssetId childId = new AssetId(UUIDs.timeBased());
+
+        EntityRelation relation = new EntityRelation(parentId, childId, EntityRelation.CONTAINS_TYPE);
+
+        Assert.assertTrue(relationService.saveRelationAsync(tenantId, relation).get());
+
+        long ts = System.currentTimeMillis();
+        Alarm alarm = Alarm.builder().tenantId(tenantId).originator(childId)
+                .type(TEST_ALARM)
+                .propagate(true)
+                .severity(AlarmSeverity.CRITICAL).status(AlarmStatus.ACTIVE_UNACK)
+                .startTs(ts).build();
+
+        Alarm created = alarmService.createOrUpdateAlarm(alarm);
+
+        TimePageData<AlarmInfo> alarms = alarmService.findAlarms(tenantId, AlarmQuery.builder()
+                .affectedEntityId(childId)
+                .status(AlarmStatus.ACTIVE_UNACK).pageLink(
+                        new TimePageLink(1, 0L, System.currentTimeMillis(), false)
+                ).build()).get();
+        Assert.assertNotNull(alarms.getData());
+        Assert.assertEquals(1, alarms.getData().size());
+        Assert.assertEquals(created, alarms.getData().get(0));
+
+        // Check parent relation
+        alarms = alarmService.findAlarms(tenantId, AlarmQuery.builder()
+                .affectedEntityId(parentId)
+                .status(AlarmStatus.ACTIVE_UNACK).pageLink(
+                        new TimePageLink(1, 0L, System.currentTimeMillis(), false)
+                ).build()).get();
+        Assert.assertNotNull(alarms.getData());
+        Assert.assertEquals(1, alarms.getData().size());
+        Assert.assertEquals(created, alarms.getData().get(0));
+
+        List<EntityRelation> toAlarmRelations = relationService.findByTo(tenantId, created.getId(), RelationTypeGroup.ALARM);
+        Assert.assertEquals(8, toAlarmRelations.size());
+
+        List<EntityRelation> fromChildRelations = relationService.findByFrom(tenantId, childId, RelationTypeGroup.ALARM);
+        Assert.assertEquals(4, fromChildRelations.size());
+
+        List<EntityRelation> fromParentRelations = relationService.findByFrom(tenantId, childId, RelationTypeGroup.ALARM);
+        Assert.assertEquals(4, fromParentRelations.size());
+
+
+        Assert.assertTrue("Alarm was not deleted when expected", alarmService.deleteAlarm(tenantId, created.getId()));
+
+        Alarm fetched = alarmService.findAlarmByIdAsync(tenantId, created.getId()).get();
+
+        Assert.assertNull("Alarm was returned when it was expected to be null", fetched);
+
+        alarms = alarmService.findAlarms(tenantId, AlarmQuery.builder()
+                .affectedEntityId(childId)
+                .status(AlarmStatus.ACTIVE_UNACK).pageLink(
+                        new TimePageLink(1, 0L, System.currentTimeMillis(), false)
+                ).build()).get();
+        Assert.assertNotNull(alarms.getData());
+        Assert.assertEquals(0, alarms.getData().size());
+
+        // Check parent relation
+        alarms = alarmService.findAlarms(tenantId, AlarmQuery.builder()
+                .affectedEntityId(parentId)
+                .status(AlarmStatus.ACTIVE_UNACK).pageLink(
+                        new TimePageLink(1, 0L, System.currentTimeMillis(), false)
+                ).build()).get();
+        Assert.assertNotNull(alarms.getData());
+        Assert.assertEquals(0, alarms.getData().size());
+
+        toAlarmRelations = relationService.findByTo(tenantId, created.getId(), RelationTypeGroup.ALARM);
+        Assert.assertEquals(0, toAlarmRelations.size());
+
+        fromChildRelations = relationService.findByFrom(tenantId, childId, RelationTypeGroup.ALARM);
+        Assert.assertEquals(0, fromChildRelations.size());
+
+        fromParentRelations = relationService.findByFrom(tenantId, childId, RelationTypeGroup.ALARM);
+        Assert.assertEquals(0, fromParentRelations.size());
+
+    }
 }

diff --git a/pom.xml b/pom.xml
index bfb5caa..2cf6218 100755
--- a/pom.xml
+++ b/pom.xml
@@ -757,12 +757,6 @@
                 <version>${hsqldb.version}</version>
             </dependency>
             <dependency>
-                <groupId>ru.yandex.qatools.embed</groupId>
-                <artifactId>postgresql-embedded</artifactId>
-                <version>2.2</version>
-                <scope>test</scope>
-            </dependency>
-            <dependency>
                 <groupId>org.springframework.data</groupId>
                 <artifactId>spring-data-redis</artifactId>
                 <version>${spring-data-redis.version}</version>