/*
 * Copyright 2014 NAVER Corp.
 *
 * 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.navercorp.pinpoint.collector.util;

import org.springframework.core.NamedThreadLocal;
import org.springframework.stereotype.Component;

/**
 * @author emeroad
 */
@Component
public class ThreadLocalAcceptedTimeService implements AcceptedTimeService {

    private final ThreadLocal<Long> local = new NamedThreadLocal<>("AcceptedTimeService");

    @Override
    public void accept() {
        accept(System.currentTimeMillis());
    }

    @Override
    public void accept(long time) {
        local.set(time);
    }

    @Override
    public long getAcceptedTime() {
        Long acceptedTime = local.get();
        if (acceptedTime == null) {
            return System.currentTimeMillis();
        }
        return acceptedTime;
    }
}
