Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
AbstractMuleEventWork |
|
| 1.0;1 |
1 | /* | |
2 | * Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com | |
3 | * The software in this package is published under the terms of the CPAL v1.0 | |
4 | * license, a copy of which has been included with this distribution in the | |
5 | * LICENSE.txt file. | |
6 | */ | |
7 | package org.mule.work; | |
8 | ||
9 | import org.mule.OptimizedRequestContext; | |
10 | import org.mule.api.MuleEvent; | |
11 | import org.mule.api.ThreadSafeAccess; | |
12 | ||
13 | import javax.resource.spi.work.Work; | |
14 | ||
15 | /** | |
16 | * Abstract implementation of Work to be used whenever Work needs to be scheduled | |
17 | * that operates on a MuleEvent. The abstract implementation ensures that a copy of | |
18 | * MuleEvent is used and that this copy is available in the RequestContext for this | |
19 | * new thread. Implementations of AbstractMuleEventWork should be run/scheduled only | |
20 | * once. NOTE: This approach does not attempt to resolve MULE-4409 so this work may | |
21 | * need to be reverted to correctly fix MULE-4409 in future releases. | |
22 | */ | |
23 | public abstract class AbstractMuleEventWork implements Work | |
24 | { | |
25 | ||
26 | protected MuleEvent event; | |
27 | ||
28 | public AbstractMuleEventWork(MuleEvent event) | |
29 | 0 | { |
30 | // Event must be copied here rather than once work is executed, so main flow can't mutate the message | |
31 | // before work execution | |
32 | 0 | this.event = (MuleEvent) ((ThreadSafeAccess) event).newThreadCopy(); |
33 | 0 | } |
34 | ||
35 | public final void run() | |
36 | { | |
37 | // Set event in RequestContext now we are in new thread (fresh copy already made in constructor) | |
38 | 0 | OptimizedRequestContext.unsafeSetEvent(event); |
39 | 0 | doRun(); |
40 | 0 | } |
41 | ||
42 | protected abstract void doRun(); | |
43 | ||
44 | public void release() | |
45 | { | |
46 | // no-op | |
47 | 0 | } |
48 | ||
49 | public MuleEvent getEvent() | |
50 | { | |
51 | 0 | return event; |
52 | } | |
53 | } |