1
22
23 package com.liferay.portal.scheduler.messaging;
24
25 import com.liferay.portal.kernel.log.Log;
26 import com.liferay.portal.kernel.log.LogFactoryUtil;
27 import com.liferay.portal.kernel.messaging.Message;
28 import com.liferay.portal.kernel.messaging.MessageListener;
29 import com.liferay.portal.kernel.messaging.sender.MessageSender;
30 import com.liferay.portal.kernel.scheduler.SchedulerEngine;
31 import com.liferay.portal.kernel.scheduler.messaging.SchedulerRequest;
32
33 import java.util.List;
34
35
42 public class SchedulerMessageListener implements MessageListener {
43
44 public SchedulerMessageListener(
45 MessageSender messageSender, SchedulerEngine schedulerEngine) {
46
47 _messageSender = messageSender;
48 _schedulerEngine = schedulerEngine;
49 }
50
51 public void receive(Message message) {
52 try {
53 doReceive(message);
54 }
55 catch (Exception e) {
56 _log.error("Unable to process message " + message, e);
57 }
58 }
59
60 protected void doReceive(Message message) throws Exception {
61 SchedulerRequest schedulerRequest =
62 (SchedulerRequest)message.getPayload();
63
64 String command = schedulerRequest.getCommand();
65
66 if (command.equals(SchedulerRequest.COMMAND_REGISTER)) {
67 _schedulerEngine.schedule(
68 schedulerRequest.getGroupName(), schedulerRequest.getCronText(),
69 schedulerRequest.getStartDate(), schedulerRequest.getEndDate(),
70 schedulerRequest.getDescription(),
71 schedulerRequest.getDestination(),
72 schedulerRequest.getMessageBody());
73 }
74 else if (command.equals(SchedulerRequest.COMMAND_RETRIEVE)) {
75 doCommandRetrieve(message, schedulerRequest);
76 }
77 else if (command.equals(SchedulerRequest.COMMAND_SHUTDOWN)) {
78 _schedulerEngine.shutdown();
79 }
80 else if (command.equals(SchedulerRequest.COMMAND_STARTUP)) {
81 _schedulerEngine.start();
82 }
83 else if (command.equals(SchedulerRequest.COMMAND_UNREGISTER)) {
84 _schedulerEngine.unschedule(
85 schedulerRequest.getJobName(), schedulerRequest.getGroupName());
86 }
87 }
88
89 protected void doCommandRetrieve(
90 Message message, SchedulerRequest schedulerRequest)
91 throws Exception {
92
93 List<SchedulerRequest> schedulerRequests =
94 _schedulerEngine.getScheduledJobs(schedulerRequest.getGroupName());
95
96 message.setPayload(schedulerRequests);
97
98 _messageSender.send(message.getResponseDestination(), message);
99 }
100
101 private static Log _log =
102 LogFactoryUtil.getLog(SchedulerMessageListener.class);
103
104 private MessageSender _messageSender;
105 private SchedulerEngine _schedulerEngine;
106
107 }