org.glassfish.hk2.api.messaging.SubscribeTo Maven / Gradle / Ivy
/*
* Copyright (c) 2014, 2018 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 org.glassfish.hk2.api.messaging;
import static java.lang.annotation.ElementType.PARAMETER;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;
/**
* This annotation is put onto one parameter of a method to indicate that
* this method should be called whenever a Topic sends a message. Any
* class that is to receive topic messages must have the
* {@link MessageReceiver} qualifier on it as well as use this annotation
* to mark the specific method to be injected into
*
* There may be only one parameter of the method annotated with this
* annotation. All of the other parameters of the method are normal
* injection points
*
*
* @author jwells
*/
@Documented
@Retention(RUNTIME)
@Target({PARAMETER})
public @interface SubscribeTo {
}