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package org.mule.construct; |
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import org.mule.DefaultMuleEvent; |
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import org.mule.RequestContext; |
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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.MuleException; |
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import org.mule.api.MuleSession; |
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import org.mule.api.config.ThreadingProfile; |
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import org.mule.api.context.WorkManager; |
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import org.mule.api.endpoint.InboundEndpoint; |
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import org.mule.api.processor.MessageProcessor; |
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import org.mule.api.processor.MessageProcessorBuilder; |
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import org.mule.api.processor.MessageProcessorChainBuilder; |
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import org.mule.construct.processor.FlowConstructStatisticsMessageProcessor; |
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import org.mule.interceptor.LoggingInterceptor; |
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import org.mule.interceptor.ProcessingTimeInterceptor; |
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import org.mule.processor.OptionalAsyncInterceptingMessageProcessor; |
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import org.mule.processor.chain.DefaultMessageProcessorChainBuilder; |
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import org.mule.routing.requestreply.ReplyToAsyncProcessor; |
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import org.mule.session.DefaultMuleSession; |
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import org.mule.util.concurrent.ThreadNameHelper; |
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import java.util.Collections; |
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import java.util.List; |
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public class SimpleFlowConstruct extends AbstractFlowConstruct implements MessageProcessor |
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{ |
44 | 0 | protected List<MessageProcessor> messageProcessors = Collections.emptyList(); |
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protected WorkManager workManager; |
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public SimpleFlowConstruct(String name, MuleContext muleContext) |
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{ |
50 | 0 | super(name, muleContext); |
51 | 0 | } |
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@Override |
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protected void configureMessageProcessors(MessageProcessorChainBuilder builder) |
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{ |
56 | 0 | if (threadingProfile == null) |
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{ |
58 | 0 | threadingProfile = muleContext.getDefaultServiceThreadingProfile(); |
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} |
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61 | 0 | final String threadPrefix = ThreadNameHelper.flow(muleContext, getName()); |
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63 | 0 | builder.chain(new ProcessIfPipelineStartedMessageProcessor()); |
64 | 0 | builder.chain(new ProcessingTimeInterceptor()); |
65 | 0 | builder.chain(new LoggingInterceptor()); |
66 | 0 | builder.chain(new FlowConstructStatisticsMessageProcessor()); |
67 | 0 | if (messageSource != null) |
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{ |
69 | 0 | builder.chain(new OptionalAsyncInterceptingMessageProcessor(threadingProfile, threadPrefix, |
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muleContext.getConfiguration().getShutdownTimeout())); |
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} |
72 | 0 | for (Object processor : messageProcessors) |
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{ |
74 | 0 | if (processor instanceof MessageProcessor) |
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{ |
76 | 0 | builder.chain((MessageProcessor) processor); |
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} |
78 | 0 | else if (processor instanceof MessageProcessorBuilder) |
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{ |
80 | 0 | builder.chain((MessageProcessorBuilder) processor); |
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} |
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else |
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{ |
84 | 0 | throw new IllegalArgumentException( |
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"MessageProcessorBuilder should only have MessageProcessor's or MessageProcessorBuilder's configured"); |
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} |
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} |
88 | 0 | builder.chain(new ReplyToAsyncProcessor()); |
89 | 0 | } |
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public void setThreadingProfile(ThreadingProfile threadingProfile) |
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{ |
93 | 0 | this.threadingProfile = threadingProfile; |
94 | 0 | } |
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public void setMessageProcessors(List<MessageProcessor> messageProcessors) |
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{ |
98 | 0 | this.messageProcessors = messageProcessors; |
99 | 0 | } |
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public List<MessageProcessor> getMessageProcessors() |
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{ |
103 | 0 | return messageProcessors; |
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} |
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@Deprecated |
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public void setEndpoint(InboundEndpoint endpoint) |
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{ |
112 | 0 | this.messageSource = endpoint; |
113 | 0 | } |
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@Override |
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public String getConstructType() |
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{ |
118 | 0 | return "Flow"; |
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} |
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public MuleEvent process(MuleEvent event) throws MuleException |
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{ |
123 | 0 | MuleSession calledSession = new DefaultMuleSession(event.getSession(), this); |
124 | 0 | MuleEvent newEvent = new DefaultMuleEvent(event.getMessage(), event.getEndpoint(), event, |
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calledSession); |
126 | 0 | RequestContext.setEvent(newEvent); |
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try |
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{ |
129 | 0 | MuleEvent result = messageProcessorChain.process(newEvent); |
130 | 0 | if (result != null) |
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{ |
132 | 0 | result.getMessage().release(); |
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} |
134 | 0 | return result; |
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} |
136 | 0 | catch (Exception e) |
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{ |
138 | 0 | MuleEvent resultEvent = getExceptionListener().handleException(e, newEvent); |
139 | 0 | event.getSession().merge(resultEvent.getSession()); |
140 | 0 | return resultEvent; |
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} |
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finally |
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{ |
144 | 0 | RequestContext.setEvent(event); |
145 | 0 | event.getMessage().release(); |
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} |
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} |
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} |