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A bundle project producing JAX-RS RI bundles. The primary artifact is an "all-in-one" OSGi-fied JAX-RS RI bundle (jaxrs-ri.jar). Attached to that are two compressed JAX-RS RI archives. The first archive (jaxrs-ri.zip) consists of binary RI bits and contains the API jar (under "api" directory), RI libraries (under "lib" directory) as well as all external RI dependencies (under "ext" directory). The secondary archive (jaxrs-ri-src.zip) contains buildable JAX-RS RI source bundle and contains the API jar (under "api" directory), RI sources (under "src" directory) as well as all external RI dependencies (under "ext" directory). The second archive also contains "build.xml" ANT script that builds the RI sources. To build the JAX-RS RI simply unzip the archive, cd to the created jaxrs-ri directory and invoke "ant" from the command line.

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package javax.ws.rs.container;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.util.concurrent.TimeUnit;

/**
 * Inject a suspended {@link AsyncResponse} into a parameter of an invoked
 * JAX-RS {@link javax.ws.rs.HttpMethod resource or sub-resource method}.
 *
 * The injected {@code AsyncResponse} instance is bound to the processing
 * of the active request and can be used to resume the request processing when
 * a response is available.
 * 

* By default there is {@link AsyncResponse#NO_TIMEOUT no suspend timeout set} and * the asynchronous response is suspended indefinitely. The suspend timeout as well * as a custom {@link TimeoutHandler timeout handler} can be specified programmatically * using the {@link AsyncResponse#setTimeout(long, TimeUnit)} and * {@link AsyncResponse#setTimeoutHandler(TimeoutHandler)} methods. For example: *

*

 *  @Stateless
 *  @Path("/")
 *  public class MyEjbResource {
 *    …
 *    @GET
 *    @Asynchronous
 *    public void longRunningOperation(@Suspended AsyncResponse ar) {
 *      ar.setTimeoutHandler(customHandler);
 *      ar.setTimeout(10, TimeUnit.SECONDS);
 *      final String result = executeLongRunningOperation();
 *      ar.resume(result);
 *    }
 *
 *    private String executeLongRunningOperation() { … }
 *  }
 * 
*

* A resource or sub-resource method that injects a suspended instance of an * {@code AsyncResponse} using the {@code @Suspended} annotation is expected * be declared to return {@code void} type. Methods that inject asynchronous * response instance using the {@code @Suspended} annotation and declare a * return type other than {@code void} MUST be detected by the JAX-RS runtime and * a warning message MUST be logged. Any response value returned from such resource * or sub-resource method MUST be ignored by the framework: *

*
 * @Path("/messages/next")
 * public class MessagingResource {
 *     …
 *     @GET
 *     public String readMessage(@Suspended AsyncResponse ar) {
 *         suspended.put(ar);
 *         return "This response will be ignored.";
 *     }
 *     …
 * }
 * 
* * @author Marek Potociar * @since 2.0 */ @Target({ElementType.PARAMETER}) @Retention(RetentionPolicy.RUNTIME) @Documented public @interface Suspended { }




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