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authorShiwei Tian <tian.shiwei@zte.com.cn>2017-09-12 19:05:37 +0800
committerShiwei Tian <tian.shiwei@zte.com.cn>2017-09-12 19:05:37 +0800
commit3c2a7c4614ed0b925a7ac9d0c2ff4907c89e6b51 (patch)
tree9194657e159375a0693fd9d7214c6aa385a89a85 /engine-d/src/main/java/org
parent3d341c75cc7781b18b40efb1c09c393c755bd58e (diff)
modify drools engine
Issue-ID: HOLMES-47 Change-Id: I30272a90f776edb11c9a4e3d399025440a40c02f Signed-off-by: Shiwei Tian <tian.shiwei@zte.com.cn>
Diffstat (limited to 'engine-d/src/main/java/org')
-rw-r--r--engine-d/src/main/java/org/onap/holmes/engine/manager/DroolsEngine.java91
1 files changed, 3 insertions, 88 deletions
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 5d1f442..b23dde0 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
@@ -16,7 +16,6 @@
package org.onap.holmes.engine.manager;
-import java.io.Serializable;
import java.io.StringReader;
import java.util.HashSet;
import java.util.List;
@@ -24,17 +23,7 @@ import java.util.Locale;
import java.util.Set;
import javax.annotation.PostConstruct;
import javax.inject.Inject;
-import javax.jms.Connection;
-import javax.jms.ConnectionFactory;
-import javax.jms.Destination;
-import javax.jms.JMSException;
-import javax.jms.Message;
-import javax.jms.MessageConsumer;
-import javax.jms.MessageListener;
-import javax.jms.Session;
import lombok.extern.slf4j.Slf4j;
-import org.apache.activemq.ActiveMQConnectionFactory;
-import org.apache.activemq.command.ActiveMQObjectMessage;
import org.drools.KnowledgeBase;
import org.drools.KnowledgeBaseConfiguration;
import org.drools.KnowledgeBaseFactory;
@@ -47,13 +36,10 @@ import org.drools.io.Resource;
import org.drools.io.ResourceFactory;
import org.drools.runtime.StatefulKnowledgeSession;
import org.drools.runtime.rule.FactHandle;
-import org.glassfish.hk2.api.IterableProvider;
import org.jvnet.hk2.annotations.Service;
+import org.onap.holmes.common.api.stat.VesAlarm;
import org.onap.holmes.engine.request.DeployRuleRequest;
import org.onap.holmes.common.api.entity.CorrelationRule;
-import org.onap.holmes.common.api.stat.Alarm;
-import org.onap.holmes.common.config.MQConfig;
-import org.onap.holmes.common.constant.AlarmConst;
import org.onap.holmes.common.exception.CorrelationException;
import org.onap.holmes.common.utils.ExceptionUtil;
import org.onap.holmes.engine.wrapper.RuleMgtWrapper;
@@ -69,34 +55,18 @@ public class DroolsEngine {
private KnowledgeBase kbase;
private KnowledgeBaseConfiguration kconf;
private StatefulKnowledgeSession ksession;
- @Inject
- private IterableProvider<MQConfig> mqConfigProvider;
- private ConnectionFactory connectionFactory;
@PostConstruct
private void init() {
try {
- // 1. start engine
+ // start engine
start();
- // 2. start mq listener
- registerAlarmTopicListener();
} catch (Exception e) {
log.error("Failed to start the service: " + e.getMessage(), e);
throw ExceptionUtil.buildExceptionResponse("Failed to start the drools engine!");
}
}
- private void registerAlarmTopicListener() {
- String brokerURL =
- "tcp://" + mqConfigProvider.get().brokerIp + ":" + mqConfigProvider.get().brokerPort;
- connectionFactory = new ActiveMQConnectionFactory(mqConfigProvider.get().brokerUsername,
- mqConfigProvider.get().brokerPassword, brokerURL);
-
- AlarmMqMessageListener listener = new AlarmMqMessageListener();
- listener.receive();
- }
-
-
private void start() throws CorrelationException {
log.info("Drools Engine Initialize Beginning...");
@@ -219,7 +189,7 @@ public class DroolsEngine {
}
}
- public void putRaisedIntoStream(Alarm raiseAlarm) {
+ public void putRaisedIntoStream(VesAlarm raiseAlarm) {
FactHandle factHandle = this.ksession.getFactHandle(raiseAlarm);
if (factHandle != null) {
this.ksession.retract(factHandle);
@@ -228,59 +198,4 @@ public class DroolsEngine {
this.ksession.fireAllRules();
}
- class AlarmMqMessageListener implements MessageListener {
-
- private Connection connection = null;
- private Session session = null;
- private Destination destination = null;
- private MessageConsumer consumer = null;
-
- private void initialize() throws JMSException {
- connection = connectionFactory.createConnection();
- session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
- destination = session.createTopic(AlarmConst.MQ_TOPIC_NAME_ALARM);
- consumer = session.createConsumer(destination);
- connection.start();
- }
-
- public void receive() {
- try {
- initialize();
- consumer.setMessageListener(this);
- } catch (JMSException e) {
- log.error("Failed to connect to the MQ service : " + e.getMessage(), e);
- try {
- close();
- } catch (JMSException e1) {
- log.error("Failed close connection " + e1.getMessage(), e1);
- }
- }
- }
-
- public void onMessage(Message arg0) {
- ActiveMQObjectMessage objectMessage = (ActiveMQObjectMessage) arg0;
- try {
- Serializable object = objectMessage.getObject();
-
- if (object instanceof Alarm) {
- Alarm alarm = (Alarm) object;
- putRaisedIntoStream(alarm);
- }
- } catch (JMSException e) {
- log.error("Failed get object : " + e.getMessage(), e);
- }
- }
-
- private void close() throws JMSException {
- if (consumer != null) {
- consumer.close();
- }
- if (session != null) {
- session.close();
- }
- if (connection != null) {
- connection.close();
- }
- }
- }
}