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Comprehensive Java library for spring framework (Java8+)
There is a newer version: 22.1.0
/*
 * Copyright (C) 2015-2018 S.Violet
 *
 * 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.
 *
 * Project GitHub: https://github.com/shepherdviolet/slate
 * Email: [email protected]
 */

package sviolet.slate.common.x.monitor.txtimer;

import com.github.shepherdviolet.glaciion.api.annotation.NewMethod;
import com.github.shepherdviolet.glaciion.api.annotation.SingleServiceInterface;
import com.github.shepherdviolet.glaciion.api.interfaces.CompatibleApproach;

import java.lang.reflect.Method;

/**
 * TxTimer简单的交易耗时统计 扩展点
 *
 * 实现:耗时统计/结果输出
 *
 * 使用扩展点之前, 请先仔细阅读文档: https://github.com/shepherdviolet/glaciion/blob/master/docs/index.md
 *
 * @see TxTimer
 * @author S.Violet
 */
@SingleServiceInterface
public interface TxTimerProvider {

    /**
     * 交易开始时调用
     *
     * 
     *  try {
     *      TxTimer.start("Entrance", "TestService");
     *      // 交易逻辑 ......
     *  } finally {
     *      TxTimer.stop();
     *  }
     * 
     *
     * @param groupName 组别
     * @param transactionName 交易名
     */
    void start(String groupName, String transactionName);

    /**
     * 交易结束时调用
     *
     * 
     *  try {
     *      TxTimer.start("Entrance", "TestService");
     *      // 交易逻辑 ......
     *  } finally {
     *      TxTimer.stop();
     *  }
     * 
     *
     */
    void stop();

    /**
     * 交易结束时调用
     *
     * 
     *  try {
     *      TxTimer.start("Entrance", "TestService");
     *      // 交易逻辑 ......
     *  } finally {
     *      TxTimer.stop();
     *  }
     * 
     *
     * @param resultCode 处理结果编码
     */
    @NewMethod(compatibleApproach = StopCompat.class)
    void stop(int resultCode);

    /**
     * 是否启用统计功能
     * @return true 启用
     */
    boolean enabled();

    /**
     * 是否能通过TxTimer.getProvider()获取到当前实例
     * @return true 允许
     */
    boolean canBeGet();

    /**
     * stop方法向下兼容办法
     */
    class StopCompat implements CompatibleApproach {
        @Override
        public Object onInvoke(Class serviceInterface, Object serviceInstance, Method method, Object[] params) throws Throwable {
            ((TxTimerProvider)serviceInstance).stop();
            return null;
        }
    }

}