Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
AbstractMessageRequester |
|
| 3.0;3 |
1 | /* | |
2 | * $Id: AbstractMessageRequester.java 12247 2008-07-07 21:25:01Z dfeist $ | |
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.transport; | |
12 | ||
13 | import org.mule.api.MuleMessage; | |
14 | import org.mule.api.endpoint.InboundEndpoint; | |
15 | import org.mule.api.transport.DispatchException; | |
16 | import org.mule.api.transport.MessageRequester; | |
17 | import org.mule.api.transport.ReceiveException; | |
18 | import org.mule.context.notification.EndpointMessageNotification; | |
19 | ||
20 | /** | |
21 | * Provide a default dispatch (client) support for handling threads lifecycle and validation. | |
22 | */ | |
23 | public abstract class AbstractMessageRequester extends AbstractConnectable implements MessageRequester | |
24 | { | |
25 | ||
26 | public AbstractMessageRequester(InboundEndpoint endpoint) | |
27 | { | |
28 | 0 | super(endpoint); |
29 | 0 | } |
30 | ||
31 | /** | |
32 | * Make a specific request to the underlying transport | |
33 | * | |
34 | * @param timeout the maximum time the operation should block before returning. | |
35 | * The call should return immediately if there is data available. If | |
36 | * no data becomes available before the timeout elapses, null will be | |
37 | * returned | |
38 | * @return the result of the request wrapped in a MuleMessage object. Null will be | |
39 | * returned if no data was available | |
40 | * @throws Exception if the call to the underlying protocol causes an exception | |
41 | */ | |
42 | public final MuleMessage request(long timeout) throws Exception | |
43 | { | |
44 | try | |
45 | { | |
46 | // Make sure we are connected | |
47 | 0 | connectionStrategy.connect(this); |
48 | 0 | MuleMessage result = doRequest(timeout); |
49 | 0 | if (result != null && connector.isEnableMessageEvents()) |
50 | { | |
51 | 0 | connector.fireNotification(new EndpointMessageNotification(result, endpoint, null, |
52 | EndpointMessageNotification.MESSAGE_REQUESTED)); | |
53 | } | |
54 | 0 | return result; |
55 | } | |
56 | 0 | catch (DispatchException e) |
57 | { | |
58 | 0 | disposeAndLogException(); |
59 | 0 | throw e; |
60 | } | |
61 | 0 | catch (Exception e) |
62 | { | |
63 | 0 | disposeAndLogException(); |
64 | 0 | throw new ReceiveException(endpoint, timeout, e); |
65 | } | |
66 | } | |
67 | ||
68 | /** | |
69 | * Make a specific request to the underlying transport | |
70 | * | |
71 | * @param timeout the maximum time the operation should block before returning. | |
72 | * The call should return immediately if there is data available. If | |
73 | * no data becomes available before the timeout elapses, null will be | |
74 | * returned | |
75 | * @return the result of the request wrapped in a MuleMessage object. Null will be | |
76 | * returned if no data was avaialable | |
77 | * @throws Exception if the call to the underlying protocal cuases an exception | |
78 | */ | |
79 | protected abstract MuleMessage doRequest(long timeout) throws Exception; | |
80 | ||
81 | } |