com.github.thierrysquirrel.annotation.CommonMessage Maven / Gradle / Ivy

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/**
 * Copyright 2019 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 com.github.thierrysquirrel.annotation;

import com.aliyun.openservices.ons.api.SendCallback;
import com.github.thierrysquirrel.core.producer.DefaultSendCallback;
import com.github.thierrysquirrel.core.producer.MessageSendType;

import java.lang.annotation.*;

/**
 * ClassName: CommonMessage
 * Description:
 * date: 2019/5/3 11:16
 *
 * @author ThierrySquirrel
 * @since JDK 1.8
 */
@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
@Inherited
@Documented
public @interface CommonMessage {
	/**
	 * Message 所属的 Topic
	 *
	 * @return String
	 */
	String topic() default "";

	/**
	 * 订阅指定 Topic 下的 Tags：
	 * 1. * 表示订阅所有消息
	 * 2. TagA || TagB || TagC 表示订阅 TagA 或 TagB 或 TagC 的消息
	 *
	 * @return String
	 */
	String tag() default "*";

	/**
	 * 消息发送类型 默认异步
	 *
	 * @return MessageSendType
	 */
	MessageSendType messageSendType() default MessageSendType.SEND_ASYNC;

	/**
	 * 自定义SendCallback类
	 *
	 * @return callback
	 */
	Class callback() default DefaultSendCallback.class;
}