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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.onap.holmes.common.producer;
import java.io.Serializable;
import javax.inject.Inject;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.MessageProducer;
import javax.jms.ObjectMessage;
import javax.jms.Session;
import lombok.NoArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.glassfish.hk2.api.IterableProvider;
import org.jvnet.hk2.annotations.Service;
import org.onap.holmes.common.api.stat.Alarm;
import org.onap.holmes.common.api.stat.VesAlarm;
import org.onap.holmes.common.constant.AlarmConst;
import org.onap.holmes.common.api.entity.CorrelationResult;
import org.onap.holmes.common.api.stat.AplusResult;
import org.onap.holmes.common.config.MQConfig;
import org.apache.activemq.ActiveMQConnectionFactory;
@Service
@Slf4j
@NoArgsConstructor
public class MQProducer {
@Inject
private IterableProvider<MQConfig> mqConfigProvider;
private ConnectionFactory connectionFactory;
public void init() {
String brokerURL =
"tcp://" + mqConfigProvider.get().getBrokerIp() + ":" + mqConfigProvider.get().getBrokerPort();
connectionFactory = new ActiveMQConnectionFactory(mqConfigProvider.get().getBrokerUsername(),
mqConfigProvider.get().getBrokerPassword(), brokerURL);
}
public void sendAlarmMQTopicMsg(VesAlarm alarm) {
sendMQTopicMsg(alarm);
}
public void sendCorrelationMQTopicMsg(String ruleId, long createTimeL, Alarm parentAlarm,
Alarm childAlarm) {
CorrelationResult correlationResult = getCorrelationResult(ruleId, createTimeL, parentAlarm, childAlarm);
sendMQTopicMsg(correlationResult);
}
private <T> void sendMQTopicMsg(T t) {
Serializable msgEntity = (Serializable) t;
Connection connection = null;
Session session;
Destination destination = null;
MessageProducer messageProducer;
try {
connection = connectionFactory.createConnection();
connection.start();
session = connection.createSession(true, Session.AUTO_ACKNOWLEDGE);
if (t instanceof CorrelationResult) {
destination = session.createTopic(AlarmConst.MQ_TOPIC_NAME_ALARMS_CORRELATION);
} else if (t instanceof VesAlarm) {
destination = session.createTopic(AlarmConst.MQ_TOPIC_NAME_ALARM);
}
messageProducer = session.createProducer(destination);
ObjectMessage message = session.createObjectMessage(msgEntity);
messageProducer.send(message);
session.commit();
} catch (Exception e) {
log.error("Failed send correlation. " + e.getMessage(), e);
} finally {
if (connection != null) {
try {
connection.close();
} catch (JMSException e) {
log.error("Failed close connection. " + e.getMessage(), e);
}
}
}
}
private CorrelationResult getCorrelationResult(String ruleId, long createTimeL, Alarm parentAlarm,
Alarm childAlarm) {
CorrelationResult correlationResult = new CorrelationResult();
correlationResult.setRuleId(ruleId);
correlationResult.setCreateTimeL(createTimeL);
correlationResult.setResultType(AplusResult.APLUS_CORRELATION);
correlationResult.setAffectedAlarms(new Alarm[]{parentAlarm, childAlarm});
return correlationResult;
}
}
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