package org.openo.holmes.engine.manager;
+import java.io.Serializable;
import java.io.StringReader;
import java.util.List;
import java.util.Locale;
import javax.jms.ConnectionFactory;
import javax.jms.Destination;
import javax.jms.JMSException;
+import javax.jms.Message;
import javax.jms.MessageConsumer;
-import javax.jms.ObjectMessage;
+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;
@Slf4j
@Service
public class DroolsEngine {
-
- private final static String CORRELATION_RULE = "CORRELATION_RULE";
-
- private final static String CORRELATION_ALARM = "CORRELATION_ALARM";
-
private final static int ENABLE = 1;
@Inject
connectionFactory = new ActiveMQConnectionFactory(mqConfigProvider.get().brokerUsername,
mqConfigProvider.get().brokerPassword, brokerURL);
- Thread thread = new Thread(new AlarmMqMessageListener());
- thread.start();
+ AlarmMqMessageListener listener = new AlarmMqMessageListener();
+ listener.receive();
}
this.ksession.fireAllRules();
}
- class AlarmMqMessageListener implements Runnable {
+ class AlarmMqMessageListener implements MessageListener {
+
+ private Connection connection = null;
+ private Session session = null;
+ private Destination destination = null;
+ private MessageConsumer consumer = null;
- public void run() {
- Connection connection;
- Session session;
- Destination destination;
- MessageConsumer messageConsumer;
+ 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 {
- connection = connectionFactory.createConnection();
- connection.start();
- session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
- destination = session.createTopic(AlarmConst.MQ_TOPIC_NAME_ALARM);
- messageConsumer = session.createConsumer(destination);
-
- while (true) {
- ObjectMessage objMessage = (ObjectMessage) messageConsumer.receive(100000);
- if (objMessage != null) {
- putRaisedIntoStream((Alarm) objMessage.getObject());
- } else {
- break;
- }
+ Serializable object = objectMessage.getObject();
+
+ if (object instanceof Alarm) {
+ Alarm alarm = (Alarm) object;
+ putRaisedIntoStream(alarm);
}
} catch (JMSException e) {
- log.error("connection mq service Failed: " + e.getMessage(), 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();
}
}
-
}
import javax.jms.ObjectMessage;\r
import javax.jms.Session;\r
import javax.jms.Topic;\r
+import org.apache.activemq.command.ActiveMQObjectMessage;\r
import org.drools.KnowledgeBase;\r
import org.drools.KnowledgeBaseConfiguration;\r
import org.drools.builder.KnowledgeBuilder;\r
PowerMock.verifyAll();\r
}\r
\r
+\r
@Test\r
- public void listener_run_objmessage_is_null() throws JMSException {\r
+ public void listener_receive() throws JMSException {\r
DroolsEngine.AlarmMqMessageListener listener = droolsEngine.new AlarmMqMessageListener();\r
\r
Connection connection = PowerMock.createMock(Connection.class);\r
Session session = PowerMock.createMock(Session.class);\r
Destination destination = PowerMock.createMock(Topic.class);\r
- MessageConsumer messageConsumer = PowerMock.createMock(MessageConsumer.class);\r
+ MessageConsumer consumer = PowerMock.createMock(MessageConsumer.class);\r
+\r
+ Whitebox.setInternalState(listener, "connection", connection);\r
+ Whitebox.setInternalState(listener, "session", session);\r
+ Whitebox.setInternalState(listener, "destination", destination);\r
+ Whitebox.setInternalState(listener, "consumer", consumer);\r
+\r
+ PowerMock.reset();\r
\r
expect(connectionFactory.createConnection()).andReturn(connection);\r
connection.start();\r
expect(connection.createSession(anyBoolean(), anyInt())).andReturn(session);\r
expect(session.createTopic(anyObject(String.class))).andReturn((Topic) destination);\r
- expect(session.createConsumer(anyObject(Destination.class))).andReturn(messageConsumer);\r
- expect(messageConsumer.receive(anyLong())).andReturn(null);\r
+ expect(session.createConsumer(anyObject(Destination.class))).andReturn(consumer);\r
+ consumer.setMessageListener(listener);\r
\r
PowerMock.replayAll();\r
\r
- listener.run();\r
+ listener.receive();\r
\r
PowerMock.verifyAll();\r
}\r
\r
@Test\r
- public void listener_run_objmessage_is_not_null() throws JMSException {\r
+ public void listener_exception() throws JMSException {\r
DroolsEngine.AlarmMqMessageListener listener = droolsEngine.new AlarmMqMessageListener();\r
\r
Connection connection = PowerMock.createMock(Connection.class);\r
Session session = PowerMock.createMock(Session.class);\r
Destination destination = PowerMock.createMock(Topic.class);\r
- MessageConsumer messageConsumer = PowerMock.createMock(MessageConsumer.class);\r
- ObjectMessage objMessage = PowerMock.createMock(ObjectMessage.class);\r
+ MessageConsumer consumer = PowerMock.createMock(MessageConsumer.class);\r
\r
- FactHandle factHandle = PowerMock.createMock(FactHandle.class);\r
+ Whitebox.setInternalState(listener, "connection", connection);\r
+ Whitebox.setInternalState(listener, "session", session);\r
+ Whitebox.setInternalState(listener, "destination", destination);\r
+ Whitebox.setInternalState(listener, "consumer", consumer);\r
+\r
+ PowerMock.reset();\r
\r
expect(connectionFactory.createConnection()).andReturn(connection);\r
connection.start();\r
expect(connection.createSession(anyBoolean(), anyInt())).andReturn(session);\r
expect(session.createTopic(anyObject(String.class))).andReturn((Topic) destination);\r
- expect(session.createConsumer(anyObject(Destination.class))).andReturn(messageConsumer);\r
- expect(messageConsumer.receive(anyLong())).andReturn(objMessage);\r
- expect(objMessage.getObject()).andReturn(new Alarm());\r
+ expect(session.createConsumer(anyObject(Destination.class))).andReturn(consumer);\r
+ consumer.setMessageListener(listener);\r
+ EasyMock.expectLastCall().andThrow(new JMSException(""));\r
\r
- expect(ksession.getFactHandle(anyObject(Alarm.class))).andReturn(factHandle);\r
- ksession.retract(anyObject(FactHandle.class));\r
- expect(ksession.insert(anyObject(Alarm.class))).andReturn(null);\r
- expect(ksession.fireAllRules()).andReturn(0);\r
+ consumer.close();\r
+ session.close();\r
+ connection.close();\r
+\r
+\r
+ PowerMock.replayAll();\r
+\r
+ listener.receive();\r
+\r
+ PowerMock.verifyAll();\r
+ }\r
+\r
+ @Test\r
+ public void listener_close_exception() throws JMSException {\r
+ DroolsEngine.AlarmMqMessageListener listener = droolsEngine.new AlarmMqMessageListener();\r
+\r
+ Connection connection = PowerMock.createMock(Connection.class);\r
+ Session session = PowerMock.createMock(Session.class);\r
+ Destination destination = PowerMock.createMock(Topic.class);\r
+ MessageConsumer consumer = PowerMock.createMock(MessageConsumer.class);\r
\r
- expect(messageConsumer.receive(anyLong())).andReturn(null);\r
+ Whitebox.setInternalState(listener, "connection", connection);\r
+ Whitebox.setInternalState(listener, "session", session);\r
+ Whitebox.setInternalState(listener, "destination", destination);\r
+ Whitebox.setInternalState(listener, "consumer", consumer);\r
+\r
+ PowerMock.reset();\r
+\r
+ expect(connectionFactory.createConnection()).andReturn(connection);\r
+ connection.start();\r
+ expect(connection.createSession(anyBoolean(), anyInt())).andReturn(session);\r
+ expect(session.createTopic(anyObject(String.class))).andReturn((Topic) destination);\r
+ expect(session.createConsumer(anyObject(Destination.class))).andReturn(consumer);\r
+ consumer.setMessageListener(listener);\r
+ EasyMock.expectLastCall().andThrow(new JMSException(""));\r
+\r
+ consumer.close();\r
+ EasyMock.expectLastCall().andThrow(new JMSException(""));\r
+\r
+\r
+ PowerMock.replayAll();\r
+\r
+ listener.receive();\r
+\r
+ PowerMock.verifyAll();\r
+ }\r
+\r
+ @Test\r
+ public void listener_on_message() throws JMSException {\r
+ DroolsEngine.AlarmMqMessageListener listener = droolsEngine.new AlarmMqMessageListener();\r
+ Alarm alarm = new Alarm();\r
+ alarm.setAlarmKey("alarmKey");\r
+ ActiveMQObjectMessage objectMessage = new ActiveMQObjectMessage();\r
+ objectMessage.setObject(alarm);\r
+\r
+ expect(ksession.getFactHandle(anyObject(Alarm.class))).andReturn(null);\r
+\r
+ expect(ksession.insert(anyObject(Alarm.class))).andReturn(null);\r
+ expect(ksession.fireAllRules()).andReturn(1);\r
\r
PowerMock.replayAll();\r
\r
- listener.run();\r
+ listener.onMessage(objectMessage);\r
\r
PowerMock.verifyAll();\r
}\r