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package org.mule.routing; |
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import org.mule.DefaultMuleEvent; |
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import org.mule.DefaultMuleMessage; |
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import org.mule.api.MuleContext; |
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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.routing.correlation.CollectionCorrelatorCallback; |
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import org.mule.routing.correlation.CorrelationSequenceComparator; |
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import org.mule.routing.correlation.EventCorrelatorCallback; |
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import org.mule.util.SerializationUtils; |
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import java.util.Arrays; |
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import java.util.Comparator; |
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import org.apache.commons.io.IOUtils; |
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import org.apache.commons.io.output.ByteArrayOutputStream; |
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import org.apache.commons.lang.SerializationException; |
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public class MessageChunkAggregator extends AbstractAggregator |
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{ |
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public static final int DEFAULT_BUFFER_SIZE = 4096; |
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protected Comparator eventComparator; |
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public MessageChunkAggregator() |
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{ |
38 | 0 | super(); |
39 | 0 | eventComparator = new CorrelationSequenceComparator(); |
40 | 0 | } |
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@Override |
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protected EventCorrelatorCallback getCorrelatorCallback(MuleContext muleContext) |
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{ |
45 | 0 | return new CollectionCorrelatorCallback(muleContext) |
46 | 0 | { |
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@Override |
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public MuleEvent aggregateEvents(EventGroup events) throws AggregationException |
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{ |
61 | 0 | MuleEvent[] collectedEvents = events.toArray(); |
62 | 0 | MuleEvent firstEvent = collectedEvents[0]; |
63 | 0 | Arrays.sort(collectedEvents, eventComparator); |
64 | 0 | ByteArrayOutputStream baos = new ByteArrayOutputStream(DEFAULT_BUFFER_SIZE); |
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try |
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{ |
68 | 0 | for (MuleEvent event : collectedEvents) |
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{ |
70 | 0 | baos.write(event.getMessageAsBytes()); |
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} |
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MuleMessage message; |
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try |
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{ |
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80 | 0 | final Object deserialized = SerializationUtils.deserialize(baos.toByteArray(), muleContext.getExecutionClassLoader()); |
81 | 0 | message = new DefaultMuleMessage(deserialized, firstEvent.getMessage(), muleContext); |
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} |
84 | 0 | catch (SerializationException e) |
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{ |
86 | 0 | message = new DefaultMuleMessage(baos.toByteArray(), firstEvent.getMessage(), muleContext); |
87 | 0 | } |
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89 | 0 | message.setCorrelationGroupSize(-1); |
90 | 0 | message.setCorrelationSequence(-1); |
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92 | 0 | return new DefaultMuleEvent(message, firstEvent); |
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} |
94 | 0 | catch (Exception e) |
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{ |
96 | 0 | throw new AggregationException(events,MessageChunkAggregator.this, e); |
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} |
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finally |
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{ |
100 | 0 | IOUtils.closeQuietly(baos); |
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} |
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} |
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}; |
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} |
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} |