Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
CorrelationAggregator |
|
| 2.5;2.5 |
1 | /* | |
2 | * $Id: CorrelationAggregator.java 7976 2007-08-21 14:26:13Z dirk.olmes $ | |
3 | * -------------------------------------------------------------------------------------- | |
4 | * Copyright (c) MuleSource, Inc. All rights reserved. http://www.mulesource.com | |
5 | * | |
6 | * The software in this package is published under the terms of the CPAL v1.0 | |
7 | * license, a copy of which has been included with this distribution in the | |
8 | * LICENSE.txt file. | |
9 | */ | |
10 | ||
11 | package org.mule.routing.inbound; | |
12 | ||
13 | import org.mule.umo.UMOEvent; | |
14 | ||
15 | /** | |
16 | * <code>CorrelationAggregator</code> uses the CorrelationID and | |
17 | * CorrelationGroupSize properties of the {@link org.mule.umo.UMOMessage} to manage | |
18 | * message groups. | |
19 | */ | |
20 | 0 | public abstract class CorrelationAggregator extends AbstractEventAggregator |
21 | { | |
22 | ||
23 | /** | |
24 | * Creates a new EventGroup that will expect the number of events as returned by | |
25 | * {@link org.mule.umo.provider.UMOMessageAdapter#getCorrelationGroupSize()}. | |
26 | */ | |
27 | // @Override | |
28 | protected EventGroup createEventGroup(UMOEvent event, Object groupId) | |
29 | { | |
30 | 0 | return new EventGroup(groupId, event.getMessage().getCorrelationGroupSize()); |
31 | } | |
32 | ||
33 | /** | |
34 | * @see AbstractEventAggregator#shouldAggregateEvents(EventGroup) | |
35 | * @return <code>true</code> if the correlation size is not set or exactly the | |
36 | * expected size of the event group. | |
37 | */ | |
38 | protected boolean shouldAggregateEvents(EventGroup events) | |
39 | { | |
40 | 0 | int size = events.expectedSize(); |
41 | ||
42 | 0 | if (size == -1) |
43 | { | |
44 | 0 | logger.warn("Correlation Group Size not set, but CorrelationAggregator is being used." |
45 | + " Message is being forwarded"); | |
46 | 0 | return true; |
47 | } | |
48 | ||
49 | 0 | if (logger.isDebugEnabled()) |
50 | { | |
51 | 0 | logger.debug("Correlation size is " + size + ". Current event group size is " + events.size() |
52 | + " for correlation " + events.getGroupId()); | |
53 | } | |
54 | ||
55 | 0 | return size == events.size(); |
56 | } | |
57 | ||
58 | } |