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package org.mule.routing; |
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import org.mule.DefaultMessageCollection; |
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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.MuleMessageCollection; |
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import org.mule.api.routing.RouterResultsHandler; |
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import org.mule.util.CollectionUtils; |
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import java.util.List; |
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import org.apache.commons.collections.Predicate; |
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37 | 0 | public class DefaultRouterResultsHandler implements RouterResultsHandler |
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{ |
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@SuppressWarnings(value = {"unchecked"}) |
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public MuleEvent aggregateResults(final List<MuleEvent> results, |
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final MuleEvent previous, |
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MuleContext muleContext) |
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{ |
44 | 0 | if (results == null) |
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{ |
46 | 0 | return null; |
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} |
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else |
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{ |
50 | 0 | List<MuleEvent> nonNullResults = (List<MuleEvent>) CollectionUtils.select(results, |
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new Predicate() |
52 | 0 | { |
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public boolean evaluate(Object object) |
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{ |
55 | 0 | return object != null && ((MuleEvent) object).getMessage() != null; |
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} |
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}); |
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59 | 0 | if (nonNullResults.size() == 0) |
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{ |
61 | 0 | return null; |
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} |
63 | 0 | else if (nonNullResults.size() == 1) |
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{ |
65 | 0 | return nonNullResults.get(0); |
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} |
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else |
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{ |
69 | 0 | return createMessageCollection(nonNullResults, previous, muleContext); |
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} |
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} |
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} |
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@SuppressWarnings("deprecation") |
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private MuleEvent createMessageCollection(final List<MuleEvent> nonNullResults, |
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final MuleEvent previous, |
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MuleContext muleContext) |
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{ |
79 | 0 | MuleMessageCollection coll = new DefaultMessageCollection(muleContext); |
80 | 0 | for (MuleEvent event : nonNullResults) |
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{ |
82 | 0 | coll.addMessage(event.getMessage()); |
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} |
84 | 0 | ((DefaultMuleMessage) coll).copyInvocationProperties(previous.getMessage()); |
85 | 0 | return new DefaultMuleEvent(coll, previous); |
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} |
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} |