Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
ResponseCorrelationAggregator |
|
| 2.5;2.5 |
1 | /* | |
2 | * $Id: ResponseCorrelationAggregator.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.response; | |
12 | ||
13 | import org.mule.routing.inbound.EventGroup; | |
14 | import org.mule.umo.UMOEvent; | |
15 | ||
16 | /** | |
17 | * <code>ResponseCorrelationAggregator</code> Correlates one or more events on a | |
18 | * response flow using the Correlation Id to group events. | |
19 | */ | |
20 | ||
21 | 0 | public abstract class ResponseCorrelationAggregator extends AbstractResponseAggregator |
22 | { | |
23 | /** | |
24 | * Determines if the event group is ready to be aggregated. if the group is ready | |
25 | * to be aggregated (this is entirely up to the application. it could be | |
26 | * determined by volume, last modified time or some oher criteria based on the | |
27 | * last event received) | |
28 | * | |
29 | * @param events | |
30 | * @return true if the event group is ready of aggregation | |
31 | */ | |
32 | protected boolean shouldAggregateEvents(EventGroup events) | |
33 | { | |
34 | 0 | int expected = events.expectedSize(); |
35 | 0 | int current = events.size(); |
36 | ||
37 | 0 | if (expected == -1) |
38 | { | |
39 | 0 | logger.warn("Correlation Group Size not set, but CorrelationAggregator is being used. Message is being forwarded"); |
40 | 0 | return true; |
41 | } | |
42 | ||
43 | 0 | if (logger.isDebugEnabled()) |
44 | { | |
45 | 0 | logger.debug("Correlation size is " + expected + ", current event group size is " + current |
46 | + " for correlation group " + events.getGroupId()); | |
47 | } | |
48 | ||
49 | 0 | return expected == current; |
50 | } | |
51 | ||
52 | /** | |
53 | * Creates the event group with a specific correlation size based on the Mule | |
54 | * Correlation support | |
55 | * | |
56 | * @param id The group id | |
57 | * @param event the current event | |
58 | * @return a new event group of a fixed size | |
59 | */ | |
60 | // @Override | |
61 | protected EventGroup createEventGroup(UMOEvent event, Object id) | |
62 | { | |
63 | 0 | return new EventGroup(id, event.getMessage().getCorrelationGroupSize()); |
64 | } | |
65 | ||
66 | } |