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package javax.ws.rs.client;

/**
 * Callback that can be implemented to receive the asynchronous processing
 * events from the invocation processing.
 *
 * @param  response type. It can be either a general-purpose
 *                   {@link javax.ws.rs.core.Response} or the anticipated response entity
 *                   type.
 * @author Marek Potociar
 * @since 2.0
 */
public interface InvocationCallback {

    /**
     * Called when the invocation was successfully completed. Note that this does
     * not necessarily mean the response has bean fully read, which depends on the
     * parameterized invocation callback response type.
     * 

* Once this invocation callback method returns, the underlying {@link javax.ws.rs.core.Response} * instance will be automatically closed by the runtime. *

* * @param response response data. */ public void completed(RESPONSE response); /** * Called when the invocation has failed for any reason. *

* Note that the provided {@link Throwable} may be a {@link javax.ws.rs.ProcessingException} in case the * invocation processing failure has been caused by a client-side runtime component error. * The {@code Throwable} may also be a {@link javax.ws.rs.WebApplicationException} or one * of its subclasses in case the response status code is not * {@link javax.ws.rs.core.Response.Status.Family#SUCCESSFUL successful} and the generic * callback type is not {@link javax.ws.rs.core.Response}. * In case a processing of a properly received response fails, the wrapped processing exception * will be of {@link ResponseProcessingException} type and will contain the {@link javax.ws.rs.core.Response} * instance whose processing has failed. * A {@link java.util.concurrent.CancellationException} would be indicate that the invocation * has been cancelled. * An {@link InterruptedException} would indicate that the thread executing the invocation has * been interrupted. *

*

* Once this invocation callback method returns, the underlying {@link javax.ws.rs.core.Response} * instance will be automatically closed by the runtime. *

* * @param throwable contains failure details. */ public void failed(Throwable throwable); }




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