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/**
* Copyright 2017 ZTE Corporation.
*
* 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
*
* 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.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.openo.holmes.enginemgt.listener;
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.MessageConsumer;
import javax.jms.ObjectMessage;
import javax.jms.Session;
import lombok.extern.slf4j.Slf4j;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.glassfish.hk2.api.IterableProvider;
import org.jvnet.hk2.annotations.Service;
import org.openo.holmes.common.api.stat.Alarm;
import org.openo.holmes.common.config.MQConfig;
import org.openo.holmes.common.constant.AlarmConst;
import org.openo.holmes.enginemgt.manager.DroolsEngine;
@Service
@Slf4j
public class AlarmMqMessageListener implements Runnable {
@Inject
private static IterableProvider<MQConfig> mqConfigProvider;
@Inject
DroolsEngine droolsEngine;
private ConnectionFactory connectionFactory;
@PostConstruct
public void init() {
String brokerURL =
"tcp://" + mqConfigProvider.get().brokerIp + ":" + mqConfigProvider.get().brokerPort;
connectionFactory = new ActiveMQConnectionFactory(mqConfigProvider.get().brokerUsername,
mqConfigProvider.get().brokerPassword, brokerURL);
}
public void run() {
Connection connection;
Session session;
Destination destination;
MessageConsumer messageConsumer;
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) {
droolsEngine.putRaisedIntoStream((Alarm) objMessage.getObject());
} else {
break;
}
}
} catch (JMSException e) {
log.debug("Receive alarm failure" + e.getMessage());
}
}
}
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