com.tencent.polaris.circuitbreak.client.api.DefaultCircuitBreakAPI Maven / Gradle / Ivy

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/*
 * Tencent is pleased to support the open source community by making Polaris available.
 *
 * Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
 *
 * Licensed under the BSD 3-Clause License (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * https://opensource.org/licenses/BSD-3-Clause
 *
 * 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.tencent.polaris.circuitbreak.client.api;

import com.tencent.polaris.api.config.consumer.CircuitBreakerConfig;
import com.tencent.polaris.circuitbreak.api.CircuitBreakAPI;
import com.tencent.polaris.client.api.BaseEngine;
import com.tencent.polaris.client.api.SDKContext;
import com.tencent.polaris.client.api.ServiceCallResultListener;
import java.util.List;

public class DefaultCircuitBreakAPI extends BaseEngine implements CircuitBreakAPI {

    private ServiceCallResultChecker checker;

    public DefaultCircuitBreakAPI(SDKContext sdkContext) {
        super(sdkContext);
    }

    @Override
    protected void subInit() {
        CircuitBreakerConfig cbConfig = sdkContext.getConfig().getConsumer().getCircuitBreaker();
        if (!cbConfig.isEnable()) {
            return;
        }
        List serviceCallResultListeners = ServiceCallResultListener
                .getServiceCallResultListeners(sdkContext);
        for (ServiceCallResultListener listener : serviceCallResultListeners) {
            if (listener instanceof ServiceCallResultChecker) {
                checker = (ServiceCallResultChecker) listener;
                break;
            }
        }
    }

    @Override
    protected void doDestroy() {
        if (null != checker) {
            checker.destroy();
        }
        super.doDestroy();
    }
}