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package javax.ws.rs.container;

/**
 * A request processing callback that receives request processing completion events.
 * 

* A completion callback is invoked when the whole request processing is over, i.e. * once a response for the request has been processed and sent back to the client * or in when an unmapped exception or error is being propagated to the container. *

* * @author Marek Potociar * @since 2.0 */ public interface CompletionCallback { /** * A completion callback notification method that will be invoked when the request * processing is finished, after a response is processed and is sent back to the * client or when an unmapped throwable has been propagated to the hosting I/O * container. *

* An unmapped throwable is propagated to the hosting I/O container in case no * {@link javax.ws.rs.ext.ExceptionMapper exception mapper} has been found for * a throwable indicating a request processing failure. * In this case a non-{@code null} unmapped throwable instance is passed to the method. * Note that the throwable instance represents the actual unmapped exception thrown * during the request processing, before it has been wrapped into an I/O container-specific * exception that was used to propagate the throwable to the hosting I/O container. *

* * @param throwable is {@code null}, if the request processing has completed with a response * that has been sent to the client. In case the request processing resulted * in an unmapped exception or error that has been propagated to the hosting * I/O container, this parameter contains the unmapped exception instance. */ public void onComplete(Throwable throwable); }




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