Remove Alarm Info from DB when alarms are cleared

Change-Id: If3350d64a6d2a104bc001b433ed98c410b9bb5a9
Issue-ID: HOLMES-204
Signed-off-by: GuangrongFu <fu.guangrong@zte.com.cn>

3 files changed, 45 insertions, 38 deletions

diff --git a/engine-d/src/main/java/org/onap/holmes/engine/db/AlarmInfoDao.java b/engine-d/src/main/java/org/onap/holmes/engine/db/AlarmInfoDao.java
index c7094c3..bab3084 100644
--- a/engine-d/src/main/java/org/onap/holmes/engine/db/AlarmInfoDao.java
+++ b/engine-d/src/main/java/org/onap/holmes/engine/db/AlarmInfoDao.java
@@ -1,12 +1,12 @@
 /**

  * Copyright 2017 ZTE Corporation.

- *

+ * <p>

  * Licensed 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

- *

+ * <p>

+ * http://www.apache.org/licenses/LICENSE-2.0

+ * <p>

  * 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.

@@ -33,14 +33,16 @@ public abstract class AlarmInfoDao {
     @SqlQuery("SELECT * FROM ALARM_INFO")

     protected abstract List<AlarmInfo> queryAlarm();

 

-    @SqlUpdate("DELETE FROM ALARM_INFO WHERE ALARMISCLEARED=:alarmiscleared")

-    protected abstract int deleteAlarmByAlarmIsCleared(@Bind("alarmiscleared") int alarmIsCleared);

+    @SqlUpdate("DELETE FROM ALARM_INFO WHERE EVENTNAME=:eventName AND SOURCEID=:sourceId AND SOURCENAME=:sourceName")

+    protected abstract int deleteAlarmByAlarmIsCleared(@Bind("eventName") String eventName,

+                                                       @Bind("sourceId") String sourceId,

+                                                       @Bind("sourceName") String sourceName);

 

     public AlarmInfo saveAlarm(AlarmInfo alarmInfo) throws AlarmInfoException {

         try {

             addAlarm(alarmInfo);

             return alarmInfo;

-        } catch(Exception e) {

+        } catch (Exception e) {

             throw new AlarmInfoException("Can not access the database. Please contact the administrator for help.", e);

         }

     }

@@ -48,15 +50,21 @@ public abstract class AlarmInfoDao {
     public List<AlarmInfo> queryAllAlarm() throws AlarmInfoException {

         try {

             return queryAlarm();

-        } catch(Exception e) {

+        } catch (Exception e) {

             throw new AlarmInfoException("Can not access the database. Please contact the administrator for help.", e);

         }

     }

 

-    public void deleteClearedAlarm(AlarmInfo alarmInfo) {

-       int alarmIsCleared = alarmInfo.getAlarmIsCleared();

-        if(alarmIsCleared == 1) {

-           deleteAlarmByAlarmIsCleared(alarmIsCleared);

-       }

+    public void deleteAlarm(AlarmInfo alarmInfo) {

+        if (alarmInfo.getAlarmIsCleared() != 1) {

+            return;

+        }

+

+        String sourceId = alarmInfo.getSourceId();

+        String sourceName = alarmInfo.getSourceName();

+        String eventName = alarmInfo.getEventName();

+        eventName = eventName.substring(0, eventName.lastIndexOf("Cleared"));

+

+        deleteAlarmByAlarmIsCleared(eventName, sourceId, sourceName);

     }

 }

diff --git a/engine-d/src/main/java/org/onap/holmes/engine/dmaap/DMaaPAlarmPolling.java b/engine-d/src/main/java/org/onap/holmes/engine/dmaap/DMaaPAlarmPolling.java
index 1446b14..99ba3d7 100644
--- a/engine-d/src/main/java/org/onap/holmes/engine/dmaap/DMaaPAlarmPolling.java
+++ b/engine-d/src/main/java/org/onap/holmes/engine/dmaap/DMaaPAlarmPolling.java
@@ -49,9 +49,15 @@ public class DMaaPAlarmPolling implements Runnable {
                 vesAlarmList = subscriber.subscribe();
                 vesAlarmList.forEach(vesAlarm -> {
                     try {
-                        alarmInfoDao.saveAlarm(getAlarmInfo(vesAlarm));
+                        AlarmInfo alarmInfo = getAlarmInfo(vesAlarm);
+                        if (alarmInfo.getAlarmIsCleared() != 1) {
+                            alarmInfoDao.saveAlarm(alarmInfo);
+                        } else {
+                            alarmInfoDao.deleteAlarm(alarmInfo);
+                        }
                         droolsEngine.putRaisedIntoStream(vesAlarm);
-                    } catch(AlarmInfoException e) {
+
+                    } catch (AlarmInfoException e) {
                         log.error("Failed to save alarm to database", e);
                     }
                 });
@@ -74,6 +80,7 @@ public class DMaaPAlarmPolling implements Runnable {
             }
         }
     }
+
     private AlarmInfo getAlarmInfo(VesAlarm vesAlarm) {
         AlarmInfo alarmInfo = new AlarmInfo();
         alarmInfo.setAlarmIsCleared(vesAlarm.getAlarmIsCleared());
diff --git a/engine-d/src/main/java/org/onap/holmes/engine/manager/DroolsEngine.java b/engine-d/src/main/java/org/onap/holmes/engine/manager/DroolsEngine.java
index b474e69..c397b28 100644
--- a/engine-d/src/main/java/org/onap/holmes/engine/manager/DroolsEngine.java
+++ b/engine-d/src/main/java/org/onap/holmes/engine/manager/DroolsEngine.java
@@ -15,17 +15,10 @@
  */
 package org.onap.holmes.engine.manager;
 
-import java.util.*;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.stream.Collectors;
-import javax.annotation.PostConstruct;
-import javax.inject.Inject;
-
 import lombok.extern.slf4j.Slf4j;
 import org.drools.compiler.kie.builder.impl.InternalKieModule;
 import org.drools.core.util.StringUtils;
 import org.jvnet.hk2.annotations.Service;
-
 import org.kie.api.KieServices;
 import org.kie.api.builder.*;
 import org.kie.api.builder.Message.Level;
@@ -33,20 +26,26 @@ import org.kie.api.io.Resource;
 import org.kie.api.runtime.KieContainer;
 import org.kie.api.runtime.KieSession;
 import org.kie.api.runtime.rule.FactHandle;
-
 import org.onap.holmes.common.api.entity.AlarmInfo;
-
+import org.onap.holmes.common.api.entity.CorrelationRule;
 import org.onap.holmes.common.api.stat.VesAlarm;
 import org.onap.holmes.common.dmaap.DmaapService;
 import org.onap.holmes.common.exception.AlarmInfoException;
+import org.onap.holmes.common.exception.CorrelationException;
 import org.onap.holmes.common.utils.DbDaoUtil;
+import org.onap.holmes.common.utils.ExceptionUtil;
 import org.onap.holmes.engine.db.AlarmInfoDao;
 import org.onap.holmes.engine.request.DeployRuleRequest;
-import org.onap.holmes.common.api.entity.CorrelationRule;
-import org.onap.holmes.common.exception.CorrelationException;
-import org.onap.holmes.common.utils.ExceptionUtil;
 import org.onap.holmes.engine.wrapper.RuleMgtWrapper;
 
+import javax.annotation.PostConstruct;
+import javax.inject.Inject;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.stream.Collectors;
+
 @Slf4j
 @Service
 public class DroolsEngine {
@@ -99,8 +98,8 @@ public class DroolsEngine {
         } catch (Exception e) {
             log.error("Failed to initialize the engine service module.", e);
         }
-        if(null!=km) {
-        	container = ks.newKieContainer(km.getReleaseId());
+        if (null != km) {
+            container = ks.newKieContainer(km.getReleaseId());
         }
         session = container.newKieSession();
         deployed.clear();
@@ -123,7 +122,6 @@ public class DroolsEngine {
     }
 
     public void syncAlarms() throws AlarmInfoException {
-        alarmInfoDao.queryAllAlarm().forEach(alarmInfo -> alarmInfoDao.deleteClearedAlarm(alarmInfo));
         alarmInfoDao.queryAllAlarm().forEach(alarmInfo -> putRaisedIntoStream(convertAlarmInfo2VesAlarm(alarmInfo)));
     }
 
@@ -209,14 +207,10 @@ public class DroolsEngine {
                 alarm.setRootFlag(((VesAlarm) obj).getRootFlag());
             }
             this.session.delete(factHandle);
-
-            if (alarm.getAlarmIsCleared() == 1) {
-                alarmInfoDao.deleteClearedAlarm(convertVesAlarm2AlarmInfo(alarm));
-            }
-        } else {
-            this.session.insert(alarm);
         }
 
+        this.session.insert(alarm);
+
         this.session.fireAllRules();
     }
 
@@ -227,8 +221,6 @@ public class DroolsEngine {
                 .collect(Collectors.toList());
     }
 
-
-
     private VesAlarm convertAlarmInfo2VesAlarm(AlarmInfo alarmInfo) {
         VesAlarm vesAlarm = new VesAlarm();
         vesAlarm.setEventId(alarmInfo.getEventId());