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package org.mule.impl.model.streaming; |
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import org.mule.config.i18n.CoreMessages; |
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import org.mule.impl.MuleDescriptor; |
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import org.mule.impl.RequestContext; |
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import org.mule.impl.model.AbstractComponent; |
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import org.mule.umo.ComponentException; |
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import org.mule.umo.UMOEvent; |
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import org.mule.umo.UMOException; |
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import org.mule.umo.UMOMessage; |
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import org.mule.umo.endpoint.UMOEndpoint; |
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import org.mule.umo.lifecycle.Disposable; |
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import org.mule.umo.lifecycle.Initialisable; |
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import org.mule.umo.lifecycle.InitialisationException; |
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import org.mule.umo.model.UMOEntryPoint; |
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import org.mule.umo.model.UMOModel; |
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import java.util.Iterator; |
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public class StreamingComponent extends AbstractComponent |
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{ |
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private static final long serialVersionUID = 2967438446264425730L; |
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protected Object component; |
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protected UMOEntryPoint entryPoint; |
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public StreamingComponent(MuleDescriptor descriptor, UMOModel model) |
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{ |
44 | 0 | super(descriptor, model); |
45 | 0 | } |
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protected void doInitialise() throws InitialisationException |
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{ |
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try |
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{ |
51 | 0 | component = lookupComponent(); |
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} |
53 | 0 | catch (UMOException e) |
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{ |
55 | 0 | throw new InitialisationException(e, this); |
56 | 0 | } |
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60 | 0 | for (Iterator iterator = descriptor.getInboundRouter().getEndpoints().iterator(); iterator.hasNext();) |
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{ |
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63 | 0 | UMOEndpoint ep = (UMOEndpoint) iterator.next(); |
64 | 0 | ep.setStreaming(true); |
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71 | 0 | if (ep.getTransformer() != null) |
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{ |
73 | 0 | throw new InitialisationException( |
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CoreMessages.streamingEndpointsDoNotSupportTransformers(), this); |
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} |
76 | 0 | } |
77 | 0 | if (component instanceof Initialisable) |
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{ |
79 | 0 | ((Initialisable) component).initialise(); |
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} |
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try |
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{ |
84 | 0 | entryPoint = model.getEntryPointResolver().resolveEntryPoint(descriptor); |
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} |
86 | 0 | catch (Exception e) |
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{ |
88 | 0 | throw new InitialisationException(e, this); |
89 | 0 | } |
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91 | 0 | } |
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protected UMOMessage doSend(UMOEvent event) throws UMOException |
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{ |
95 | 0 | doDispatch(event); |
96 | 0 | return null; |
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} |
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protected void doDispatch(UMOEvent event) throws UMOException |
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{ |
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try |
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{ |
104 | 0 | entryPoint.invoke(component, RequestContext.getEventContext()); |
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} |
106 | 0 | catch (UMOException e) |
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{ |
108 | 0 | throw e; |
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} |
110 | 0 | catch (Exception e) |
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{ |
112 | 0 | throw new ComponentException(event.getMessage(), this, e); |
113 | 0 | } |
114 | 0 | } |
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protected void doDispose() |
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{ |
118 | 0 | if (component instanceof Disposable) |
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{ |
120 | 0 | ((Disposable) component).dispose(); |
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} |
122 | 0 | } |
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} |