001
014
015 package com.liferay.portal.kernel.scheduler.messaging;
016
017 import com.liferay.portal.kernel.messaging.DestinationNames;
018 import com.liferay.portal.kernel.messaging.Message;
019 import com.liferay.portal.kernel.messaging.MessageBusUtil;
020 import com.liferay.portal.kernel.messaging.MessageListener;
021 import com.liferay.portal.kernel.messaging.MessageListenerException;
022 import com.liferay.portal.kernel.scheduler.JobState;
023 import com.liferay.portal.kernel.scheduler.SchedulerEngine;
024 import com.liferay.portal.kernel.util.GetterUtil;
025 import com.liferay.portal.kernel.util.StringPool;
026 import com.liferay.portal.kernel.uuid.PortalUUIDUtil;
027
028
031 public class SchedulerEventMessageListenerWrapper implements MessageListener {
032
033 public void afterPropertiesSet() {
034 String jobName = _className;
035
036 if (_className.length() > SchedulerEngine.JOB_NAME_MAX_LENGTH) {
037 jobName = _className.substring(
038 0, SchedulerEngine.JOB_NAME_MAX_LENGTH);
039 }
040
041 String groupName = _className;
042
043 if (_className.length() > SchedulerEngine.GROUP_NAME_MAX_LENGTH) {
044 groupName = _className.substring(
045 0, SchedulerEngine.GROUP_NAME_MAX_LENGTH);
046 }
047
048 _key = jobName.concat(StringPool.PERIOD).concat(groupName);
049
050 if (_messageListenerUUID == null) {
051 _messageListenerUUID = PortalUUIDUtil.generate();
052 }
053 }
054
055 public String getMessageListenerUUID() {
056 return _messageListenerUUID;
057 }
058
059 public void receive(Message message) throws MessageListenerException {
060 String destinationName = GetterUtil.getString(
061 message.getString(SchedulerEngine.DESTINATION_NAME));
062
063 if (destinationName.equals(DestinationNames.SCHEDULER_DISPATCH)) {
064 String receiverKey = GetterUtil.getString(
065 message.getString(SchedulerEngine.RECEIVER_KEY));
066
067 if (!receiverKey.equals(_key)) {
068 return;
069 }
070 }
071
072 try{
073 _messageListener.receive(message);
074 }
075 catch (Exception e) {
076 handleException(message, e);
077
078 if (e instanceof MessageListenerException) {
079 throw (MessageListenerException)e;
080 }
081 else {
082 throw new MessageListenerException(e);
083 }
084 }
085 finally {
086 if (message.getBoolean(SchedulerEngine.DISABLE) &&
087 destinationName.equals(DestinationNames.SCHEDULER_DISPATCH)) {
088
089 MessageBusUtil.unregisterMessageListener(
090 destinationName, this);
091 }
092 }
093 }
094
095 public void setClassName(String className) {
096 _className = className;
097 }
098
099 public void setMessageListener(MessageListener messageListener) {
100 _messageListener = messageListener;
101 }
102
103 public void setMessageListenerUUID(String messageListenerUUID) {
104 _messageListenerUUID = messageListenerUUID;
105 }
106
107 protected void handleException(Message message, Exception exception) {
108 JobState jobState = (JobState)message.get(SchedulerEngine.JOB_STATE);
109
110 if (jobState != null) {
111 jobState.addException(exception);
112 }
113 }
114
115 private String _className;
116 private String _key;
117 private MessageListener _messageListener;
118 private String _messageListenerUUID;
119
120 }