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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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/*
 * Copyright (c) 2012, 2019 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package jakarta.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 jakarta.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 {
}