/*
 * Copyright 1999-2019 Alibaba Group Holding Ltd.
 *
 * 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.alibaba.csp.sentinel.metric.extension;

import com.alibaba.csp.sentinel.init.InitFunc;
import com.alibaba.csp.sentinel.metric.extension.callback.MetricEntryCallback;
import com.alibaba.csp.sentinel.metric.extension.callback.MetricExitCallback;
import com.alibaba.csp.sentinel.slots.statistic.StatisticSlotCallbackRegistry;

/**
 * Register callbacks for metric extension.
 *
 * @author Carpenter Lee
 * @since 1.6.1
 */
public class MetricCallbackInit implements InitFunc {
    @Override
    public void init() throws Exception {
        StatisticSlotCallbackRegistry.addEntryCallback(MetricEntryCallback.class.getCanonicalName(),
            new MetricEntryCallback());
        StatisticSlotCallbackRegistry.addExitCallback(MetricExitCallback.class.getCanonicalName(),
            new MetricExitCallback());
    }
}
