io.bitsensor.plugins.shaded.org.springframework.messaging.simp.annotation.SendToUser Maven / Gradle / Ivy
/*
* Copyright 2002-2016 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.bitsensor.plugins.shaded.org.springframework.messaging.simp.annotation;
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 io.bitsensor.plugins.shaded.org.springframework.core.annotation.AliasFor;
/**
* Annotation that indicates that the return value of a message-handling method
* should be sent as a {@link io.bitsensor.plugins.shaded.org.springframework.messaging.Message} to the specified
* destination(s) prepended with "/user/{username}" where the user name
* is extracted from the headers of the input message being handled.
*
* The annotation may also be placed at class-level in which case all methods
* in the class where the annotation applies will inherit it.
* @author Rossen Stoyanchev
* @author Sam Brannen
* @since 4.0
* @see io.bitsensor.plugins.shaded.org.springframework.messaging.simp.annotation.support.SendToMethodReturnValueHandler
* @see io.bitsensor.plugins.shaded.org.springframework.messaging.simp.user.UserDestinationMessageHandler
* @see io.bitsensor.plugins.shaded.org.springframework.messaging.simp.SimpMessageHeaderAccessor#getUser()
*/
@Target({ElementType.METHOD, ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
@Documented
public @interface SendToUser {
/**
* Alias for {@link #destinations}.
* @see #destinations
*/
@AliasFor("destinations")
String[] value() default {};
/**
* One or more destinations to send a message to.
*
If left unspecified, a default destination is selected based on the
* destination of the input message being handled.
* @since 4.2
* @see #value
* @see io.bitsensor.plugins.shaded.org.springframework.messaging.simp.annotation.support.SendToMethodReturnValueHandler
*/
@AliasFor("value")
String[] destinations() default {};
/**
* Whether messages should be sent to all sessions associated with the user
* or only to the session of the input message being handled.
*
By default, this is set to {@code true} in which case messages are
* broadcast to all sessions.
*/
boolean broadcast() default true;
}