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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);
}