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/*
 * Copyright 2016-2018 shardingsphere.io.
 * 
 * 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.shardingsphere.spi.root;

/**
 * Root invoke hook.
 *
 * @author zhangliang
 */
public interface RootInvokeHook {
    
    /**
     * Handle when root invoke started.
     */
    void start();
    
    /**
     * Handle when root invoke finished.
     * 
     * @param connectionCount connection count
     */
    void finish(int connectionCount);
}