holmes-actions/src/main/java/org/openo/holmes/common/producer/MQProducer.java

   1 /**\r
   2  * Copyright 2017 ZTE Corporation.\r
   3  *\r
   4  * Licensed under the Apache License, Version 2.0 (the "License");\r
   5  * you may not use this file except in compliance with the License.\r
   6  * You may obtain a copy of the License at\r
   7  *\r
   8  * http://www.apache.org/licenses/LICENSE-2.0\r
   9  *\r
  10  * Unless required by applicable law or agreed to in writing, software\r
  11  * distributed under the License is distributed on an "AS IS" BASIS,\r
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  13  * See the License for the specific language governing permissions and\r
  14  * limitations under the License.\r
  15  */\r
  16 package org.openo.holmes.common.producer;\r
  17 \r
  18 import java.io.Serializable;\r
  19 import javax.inject.Inject;\r
  20 import javax.jms.Connection;\r
  21 import javax.jms.ConnectionFactory;\r
  22 import javax.jms.Destination;\r
  23 import javax.jms.JMSException;\r
  24 import javax.jms.MessageProducer;\r
  25 import javax.jms.ObjectMessage;\r
  26 import javax.jms.Session;\r
  27 import lombok.NoArgsConstructor;\r
  28 import lombok.extern.slf4j.Slf4j;\r
  29 import org.glassfish.hk2.api.IterableProvider;\r
  30 import org.jvnet.hk2.annotations.Service;\r
  31 import org.openo.holmes.common.api.entity.CorrelationResult;\r
  32 import org.openo.holmes.common.api.stat.Alarm;\r
  33 import org.openo.holmes.common.api.stat.AplusResult;\r
  34 import org.openo.holmes.common.config.MQConfig;\r
  35 import org.openo.holmes.common.constant.AlarmConst;\r
  36 import org.apache.activemq.ActiveMQConnectionFactory;\r
  37 \r
  38 @Service\r
  39 @Slf4j\r
  40 @NoArgsConstructor\r
  41 public class MQProducer {\r
  42 \r
  43     @Inject\r
  44     private IterableProvider<MQConfig> mqConfigProvider;\r
  45     private ConnectionFactory connectionFactory;\r
  46 \r
  47     public void init() {\r
  48 \r
  49         String brokerURL =\r
  50             "tcp://" + mqConfigProvider.get().brokerIp + ":" + mqConfigProvider.get().brokerPort;\r
  51         connectionFactory = new ActiveMQConnectionFactory(mqConfigProvider.get().brokerUsername,\r
  52             mqConfigProvider.get().brokerPassword, brokerURL);\r
  53     }\r
  54 \r
  55     public void sendAlarmMQTopicMsg(Alarm alarm) {\r
  56         sendMQTopicMsg(alarm);\r
  57     }\r
  58 \r
  59     public void sendCorrelationMQTopicMsg(String ruleId, long createTimeL, Alarm parentAlarm,\r
  60             Alarm childAlarm) {\r
  61         CorrelationResult correlationResult = getCorrelationResult(ruleId, createTimeL, parentAlarm, childAlarm);\r
  62         sendMQTopicMsg(correlationResult);\r
  63     }\r
  64 \r
  65     private <T> void sendMQTopicMsg(T t) {\r
  66         Serializable msgEntity = (Serializable) t;\r
  67         Connection connection = null;\r
  68         Session session;\r
  69         Destination destination = null;\r
  70         MessageProducer messageProducer;\r
  71 \r
  72         try {\r
  73             connection = connectionFactory.createConnection();\r
  74             connection.start();\r
  75             session = connection.createSession(true, Session.AUTO_ACKNOWLEDGE);\r
  76             if (t instanceof CorrelationResult) {\r
  77                 destination = session.createTopic(AlarmConst.MQ_TOPIC_NAME_ALARMS_CORRELATION);\r
  78             } else if (t instanceof Alarm) {\r
  79                 destination = session.createTopic(AlarmConst.MQ_TOPIC_NAME_ALARM);\r
  80             }\r
  81             messageProducer = session.createProducer(destination);\r
  82             ObjectMessage message = session.createObjectMessage(msgEntity);\r
  83             messageProducer.send(message);\r
  84             session.commit();\r
  85         } catch (Exception e) {\r
  86             log.error("Failed send correlation." + e.getMessage(), e);\r
  87         } finally {\r
  88             if (connection != null) {\r
  89                 try {\r
  90                     connection.close();\r
  91                 } catch (JMSException e) {\r
  92                     log.error("Failed close connection." + e.getMessage(), e);\r
  93                 }\r
  94             }\r
  95         }\r
  96     }\r
  97 \r
  98     private CorrelationResult getCorrelationResult(String ruleId, long createTimeL, Alarm parentAlarm,\r
  99             Alarm childAlarm) {\r
 100         CorrelationResult correlationResult = new CorrelationResult();\r
 101         correlationResult.setRuleId(ruleId);\r
 102         correlationResult.setCreateTimeL(createTimeL);\r
 103         correlationResult.setResultType(AplusResult.APLUS_CORRELATION);\r
 104         correlationResult.setAffectedAlarms(new Alarm[]{parentAlarm, childAlarm});\r
 105         return correlationResult;\r
 106     }\r
 107 }\r