remove code duplication in plugins

Remove consumer code duplication in plugins-event-carrier

Issue-ID: POLICY-1884
Signed-off-by: shaoqiu <tim.huang@est.tech>
Change-Id: I2d222436a97224e54a03c2501f4dc14d3f5f6ac0

1 files changed, 3 insertions, 54 deletions

diff --git a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-jms/src/main/java/org/onap/policy/apex/plugins/event/carrier/jms/ApexJmsConsumer.java b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-jms/src/main/java/org/onap/policy/apex/plugins/event/carrier/jms/ApexJmsConsumer.java
index cbabab3b8..ff300423f 100644
--- a/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-jms/src/main/java/org/onap/policy/apex/plugins/event/carrier/jms/ApexJmsConsumer.java
+++ b/plugins/plugins-event/plugins-event-carrier/plugins-event-carrier-jms/src/main/java/org/onap/policy/apex/plugins/event/carrier/jms/ApexJmsConsumer.java
@@ -1,7 +1,7 @@
 /*-
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
- *  Modifications Copyright (C) 2019 Nordix Foundation.
+ *  Modifications Copyright (C) 2019-2020 Nordix Foundation.
  * ================================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,8 +21,6 @@
 
 package org.onap.policy.apex.plugins.event.carrier.jms;
 
-import java.util.EnumMap;
-import java.util.Map;
 import java.util.Properties;
 
 import javax.jms.Connection;
@@ -34,15 +32,12 @@ import javax.jms.Session;
 import javax.jms.Topic;
 import javax.naming.InitialContext;
 
-import org.onap.policy.apex.core.infrastructure.threading.ApplicationThreadFactory;
 import org.onap.policy.apex.core.infrastructure.threading.ThreadUtilities;
-import org.onap.policy.apex.service.engine.event.ApexEventConsumer;
 import org.onap.policy.apex.service.engine.event.ApexEventException;
 import org.onap.policy.apex.service.engine.event.ApexEventReceiver;
 import org.onap.policy.apex.service.engine.event.ApexEventRuntimeException;
-import org.onap.policy.apex.service.engine.event.PeeredReference;
+import org.onap.policy.apex.service.engine.event.ApexPluginsEventConsumer;
 import org.onap.policy.apex.service.parameters.eventhandler.EventHandlerParameters;
-import org.onap.policy.apex.service.parameters.eventhandler.EventHandlerPeeredMode;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -51,7 +46,7 @@ import org.slf4j.LoggerFactory;
  *
  * @author Liam Fallon (liam.fallon@ericsson.com)
  */
-public class ApexJmsConsumer implements MessageListener, ApexEventConsumer, Runnable {
+public class ApexJmsConsumer extends ApexPluginsEventConsumer implements MessageListener {
     // Get a reference to the logger
     private static final Logger LOGGER = LoggerFactory.getLogger(ApexJmsConsumer.class);
 
@@ -61,22 +56,12 @@ public class ApexJmsConsumer implements MessageListener, ApexEventConsumer, Runn
     // The event receiver that will receive events from this consumer
     private ApexEventReceiver eventReceiver;
 
-    // The consumer thread and stopping flag
-    private Thread consumerThread;
-    private boolean stopOrderedFlag = false;
-
     // The connection to the JMS server
     private Connection connection;
 
     // The topic on which we receive events from JMS
     private Topic jmsIncomingTopic;
 
-    // The name for this consumer
-    private String name = null;
-
-    // The peer references for this event handler
-    private Map<EventHandlerPeeredMode, PeeredReference> peerReferenceMap = new EnumMap<>(EventHandlerPeeredMode.class);
-
     @Override
     public void init(final String consumerName, final EventHandlerParameters consumerParameters,
             final ApexEventReceiver incomingEventReceiver) throws ApexEventException {
@@ -148,42 +133,6 @@ public class ApexJmsConsumer implements MessageListener, ApexEventConsumer, Runn
      * {@inheritDoc}.
      */
     @Override
-    public void start() {
-        // Configure and start the event reception thread
-        final String threadName = this.getClass().getName() + ":" + this.name;
-        consumerThread = new ApplicationThreadFactory(threadName).newThread(this);
-        consumerThread.setDaemon(true);
-        consumerThread.start();
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public String getName() {
-        return name;
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public PeeredReference getPeeredReference(final EventHandlerPeeredMode peeredMode) {
-        return peerReferenceMap.get(peeredMode);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
-    public void setPeeredReference(final EventHandlerPeeredMode peeredMode, final PeeredReference peeredReference) {
-        peerReferenceMap.put(peeredMode, peeredReference);
-    }
-
-    /**
-     * {@inheritDoc}.
-     */
-    @Override
     public void run() {
         // JMS session and message consumer for receiving messages
         try (final Session jmsSession = connection.createSession(false, Session.AUTO_ACKNOWLEDGE)) {