1
2
3
4
5
6
7
8
9
10
11 package org.mule.lifecycle.processor;
12
13 import org.mule.api.MessagingException;
14 import org.mule.api.MuleEvent;
15 import org.mule.api.MuleException;
16 import org.mule.api.lifecycle.LifecycleState;
17 import org.mule.api.lifecycle.Startable;
18 import org.mule.config.i18n.CoreMessages;
19 import org.mule.service.Pausable;
20
21 public class ProcessIfStartedWaitIfPausedMessageProcessor extends ProcessIfStartedMessageProcessor
22 {
23
24 public ProcessIfStartedWaitIfPausedMessageProcessor(Startable startable, LifecycleState lifecycleState)
25 {
26 super(startable, lifecycleState);
27 }
28
29 @Override
30 protected MuleEvent processNext(MuleEvent event) throws MuleException
31 {
32 if (isPaused())
33 {
34 try
35 {
36 if (logger.isDebugEnabled())
37 {
38 logger.debug(startable.getClass().getName() + " " + getStartableName(startable)
39 + " is paused. Blocking call until resumd");
40 }
41 while (isPaused())
42 {
43 Thread.sleep(500);
44 }
45 }
46 catch (InterruptedException e)
47 {
48 throw new MessagingException(
49 CoreMessages.interruptedWaitingForPaused(getStartableName(startable)),
50 event, e);
51 }
52 }
53 return super.processNext(event);
54 }
55
56 @Override
57 protected boolean accept(MuleEvent event)
58 {
59 return lifecycleState.isStarted() || isPaused();
60 }
61
62 protected boolean isPaused()
63 {
64 return lifecycleState.isPhaseComplete(Pausable.PHASE_NAME);
65 }
66
67 }