/*
 * 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 org.apache.storm.perf.queuetest;

import org.apache.storm.utils.JCQueue;

/**
 * Reads from ackerInQ and writes to spout queue.
 */
class Acker extends MyThread {
    private final JCQueue ackerInQ;
    private final JCQueue spoutInQ;

    Acker(JCQueue ackerInQ, JCQueue spoutInQ) {
        super("Acker");
        this.ackerInQ = ackerInQ;
        this.spoutInQ = spoutInQ;
    }


    @Override
    public void run() {
        long start = System.currentTimeMillis();
        Handler handler = new Handler();
        while (!Thread.interrupted()) {
            ackerInQ.consume(handler);
        }
        runTime = System.currentTimeMillis() - start;
    }

    private class Handler implements JCQueue.Consumer {
        @Override
        public void accept(Object event) {
            try {
                spoutInQ.publish(event);
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }
        }

        @Override
        public void flush() throws InterruptedException {
            spoutInQ.flush();
        }
    }
}
