/*
* Copyright 1999-2015 dangdang.com.
* <p>
* 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.
* </p>
*/
package com.dangdang.ddframe.rdb.sharding.executor.event;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
/**
* DQL类SQL执行时的事件发布总线.
*
* @author gaohongtao
*/
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public final class DQLExecutionEventBus {
private static final String NAME = "DQL-EventBus";
/**
* 发布DQL类SQL执行事件.
*
* @param event DQL类SQL执行事件
*/
public static void post(final DQLExecutionEvent event) {
ExecutionEventBusFactory.getInstance(NAME).post(event);
}
/**
* 发布DQL类SQL执行事件监听器.
*
* @param listener DQL类SQL执行事件监听器
*/
public static void register(final DQLExecutionEventListener listener) {
ExecutionEventBusFactory.getInstance(NAME).register(listener);
}
/**
* 清除监听器.
*/
public static void clearListener() {
ExecutionEventBusFactory.getInstance(NAME).clearListener();
}
}