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package org.mule.transport.vm; |
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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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{ |
31 | 74 | super(endpoint); |
32 | 74 | this.connector = (VMConnector) endpoint.getConnector(); |
33 | 74 | } |
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protected MuleMessage doRequest(long timeout) throws Exception |
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{ |
48 | 2088 | if (!connector.isQueueEvents()) |
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{ |
50 | 0 | throw new UnsupportedOperationException("Receive requested on VM Connector, but queueEvents is false"); |
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} |
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try |
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{ |
55 | 2088 | QueueSession queueSession = connector.getQueueSession(); |
56 | 2088 | Queue queue = queueSession.getQueue(endpoint.getEndpointURI().getAddress()); |
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58 | 2088 | if (queue == null) |
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{ |
60 | 0 | if (logger.isDebugEnabled()) |
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{ |
62 | 0 | logger.debug("No queue with name " + endpoint.getEndpointURI().getAddress()); |
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} |
64 | 0 | return null; |
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} |
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else |
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{ |
68 | 2088 | MuleMessage message = null; |
69 | 2088 | if (logger.isDebugEnabled()) |
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{ |
71 | 0 | logger.debug("Waiting for a message on " + endpoint.getEndpointURI().getAddress()); |
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} |
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try |
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{ |
75 | 2088 | message = (MuleMessage) queue.poll(timeout); |
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} |
77 | 0 | catch (InterruptedException e) |
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{ |
79 | 0 | logger.error("Failed to receive message from queue: " + endpoint.getEndpointURI()); |
80 | 2088 | } |
81 | 2088 | if (message != null) |
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{ |
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84 | 2088 | if(message instanceof ThreadSafeAccess) |
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{ |
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87 | 2088 | ((ThreadSafeAccess)message).resetAccessControl(); |
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} |
90 | 2088 | if (logger.isDebugEnabled()) |
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{ |
92 | 0 | logger.debug("Message received: " + message); |
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} |
94 | 2088 | return message; |
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} |
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else |
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{ |
98 | 0 | if (logger.isDebugEnabled()) |
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{ |
100 | 0 | logger.debug("No event received after " + timeout + " ms"); |
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} |
102 | 0 | return null; |
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} |
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} |
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} |
106 | 0 | catch (Exception e) |
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{ |
108 | 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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115 | 74 | } |
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protected void doConnect() throws Exception |
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{ |
119 | 74 | if (connector.isQueueEvents()) |
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{ |
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122 | 74 | connector.getQueueProfile().configureQueue( |
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endpoint.getEndpointURI().getAddress(), connector.getQueueManager()); |
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} |
125 | 74 | } |
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protected void doDisconnect() throws Exception |
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{ |
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130 | 74 | } |
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} |