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package org.mule.transport.vm; |
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import org.mule.api.MuleEvent; |
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import org.mule.api.MuleMessage; |
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import org.mule.api.ThreadSafeAccess; |
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import org.mule.api.endpoint.InboundEndpoint; |
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import org.mule.transport.AbstractMessageRequester; |
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import org.mule.util.queue.Queue; |
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import org.mule.util.queue.QueueSession; |
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public class VMMessageRequester extends AbstractMessageRequester |
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{ |
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private final VMConnector connector; |
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public VMMessageRequester(InboundEndpoint endpoint) |
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{ |
32 | 0 | super(endpoint); |
33 | 0 | this.connector = (VMConnector) endpoint.getConnector(); |
34 | 0 | } |
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protected MuleMessage doRequest(long timeout) throws Exception |
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{ |
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try |
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{ |
51 | 0 | QueueSession queueSession = connector.getQueueSession(); |
52 | 0 | Queue queue = queueSession.getQueue(endpoint.getEndpointURI().getAddress()); |
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54 | 0 | if (queue == null) |
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{ |
56 | 0 | if (logger.isDebugEnabled()) |
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{ |
58 | 0 | logger.debug("No queue with name " + endpoint.getEndpointURI().getAddress()); |
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} |
60 | 0 | return null; |
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} |
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else |
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{ |
64 | 0 | MuleEvent event = null; |
65 | 0 | if (logger.isDebugEnabled()) |
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{ |
67 | 0 | logger.debug("Waiting for a message on " + endpoint.getEndpointURI().getAddress()); |
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} |
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try |
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{ |
71 | 0 | event = (MuleEvent) queue.poll(timeout); |
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} |
73 | 0 | catch (InterruptedException e) |
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{ |
75 | 0 | logger.error("Failed to receive message from queue: " + endpoint.getEndpointURI()); |
76 | 0 | } |
77 | 0 | if (event != null) |
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{ |
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80 | 0 | if(event.getMessage() instanceof ThreadSafeAccess) |
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{ |
82 | 0 | ((ThreadSafeAccess) event.getMessage()).resetAccessControl(); |
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} |
84 | 0 | if (logger.isDebugEnabled()) |
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{ |
86 | 0 | logger.debug("Message received: " + event); |
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} |
88 | 0 | return event.getMessage(); |
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} |
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else |
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{ |
92 | 0 | if (logger.isDebugEnabled()) |
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{ |
94 | 0 | logger.debug("No event received after " + timeout + " ms"); |
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} |
96 | 0 | return null; |
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} |
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} |
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} |
100 | 0 | catch (Exception e) |
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{ |
102 | 0 | throw e; |
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} |
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} |
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protected void doDispose() |
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{ |
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109 | 0 | } |
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protected void doConnect() throws Exception |
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{ |
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114 | 0 | connector.getQueueProfile().configureQueue(endpoint.getEndpointURI().getAddress(), |
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connector.getQueueManager()); |
116 | 0 | } |
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protected void doDisconnect() throws Exception |
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{ |
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121 | 0 | } |
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} |