com.alipay.sofa.tracer.plugins.datasource.tracer.ConnectionTraceInterceptor Maven / Gradle / Ivy

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.alipay.sofa.tracer.plugins.datasource.tracer;

import com.alipay.sofa.tracer.plugins.datasource.Interceptor;

import java.util.List;

/**
 * @author shusong.yss
 * @author qilong.zql
 * @since 2.2.0
 */
public class ConnectionTraceInterceptor implements Interceptor {

    private final List annotations;

    public ConnectionTraceInterceptor(List annotations) {
        this.annotations = annotations;
    }

    @Override
    public Object intercept(Chain chain) throws Exception {
        DataSourceTracerState state = null;
        try {
            state = DataSourceClientTracer.newState();
            for (KeyValueAnnotation annotation : annotations) {
                state.submit(annotation.getKey(), annotation.getValue());
            }
            return chain.proceed();
        } finally {
            if (state != null) {
                state.connectionEstablished();
            }
        }
    }
}