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.extern.slf4j.Slf4j;\r
  28 import org.glassfish.hk2.api.IterableProvider;\r
  29 import org.jvnet.hk2.annotations.Service;\r
  30 import org.openo.holmes.common.api.entity.CorrelationResult;\r
  31 import org.openo.holmes.common.api.stat.Alarm;\r
  32 import org.openo.holmes.common.api.stat.AplusResult;\r
  33 import org.openo.holmes.common.config.MQConfig;\r
  34 import org.openo.holmes.common.constant.AlarmConst;\r
  35 \r
  36 @Service\r
  37 @Slf4j\r
  38 public class MQProducer {\r
  39 \r
  40     @Inject\r
  41     private IterableProvider<MQConfig> mqConfigProvider;\r
  42     private ConnectionFactory connectionFactory;\r
  43 \r
  44     public void sendAlarmMQTopicMsg(Alarm alarm) {\r
  45         sendMQTopicMsg(alarm);\r
  46     }\r
  47 \r
  48     public void sendCorrelationMQTopicMsg(String ruleId, long createTimeL, Alarm parentAlarm,\r
  49             Alarm childAlarm) {\r
  50         CorrelationResult correlationResult = getCorrelationResult(ruleId, createTimeL, parentAlarm, childAlarm);\r
  51         sendMQTopicMsg(correlationResult);\r
  52     }\r
  53 \r
  54     private <T> void sendMQTopicMsg(T t) {\r
  55         Serializable msgEntity = (Serializable) t;\r
  56         Connection connection = null;\r
  57         Session session;\r
  58         Destination destination = null;\r
  59         MessageProducer messageProducer;\r
  60 \r
  61         try {\r
  62             connection = connectionFactory.createConnection();\r
  63             connection.start();\r
  64             session = connection.createSession(true, Session.AUTO_ACKNOWLEDGE);\r
  65             if (t instanceof CorrelationResult) {\r
  66                 destination = session.createTopic(AlarmConst.MQ_TOPIC_NAME_ALARMS_CORRELATION);\r
  67             } else if (t instanceof Alarm) {\r
  68                 destination = session.createTopic(AlarmConst.MQ_TOPIC_NAME_ALARM);\r
  69             }\r
  70             messageProducer = session.createProducer(destination);\r
  71             ObjectMessage message = session.createObjectMessage(msgEntity);\r
  72             messageProducer.send(message);\r
  73             session.commit();\r
  74         } catch (Exception e) {\r
  75             log.error("Failed send correlation." + e.getMessage(), e);\r
  76         } finally {\r
  77             if (connection != null) {\r
  78                 try {\r
  79                     connection.close();\r
  80                 } catch (JMSException e) {\r
  81                     log.error("Failed close connection." + e.getMessage(), e);\r
  82                 }\r
  83             }\r
  84         }\r
  85     }\r
  86 \r
  87     private CorrelationResult getCorrelationResult(String ruleId, long createTimeL, Alarm parentAlarm,\r
  88             Alarm childAlarm) {\r
  89         CorrelationResult correlationResult = new CorrelationResult();\r
  90         correlationResult.setRuleId(ruleId);\r
  91         correlationResult.setCreateTimeL(createTimeL);\r
  92         correlationResult.setResultType(AplusResult.APLUS_CORRELATION);\r
  93         correlationResult.setAffectedAlarms(new Alarm[]{parentAlarm, childAlarm});\r
  94         return correlationResult;\r
  95     }\r
  96 }\r