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A very lightweight WebSocket client library for Java/Android which aims to implement the WebSocket protocol as defined in RFC 6455

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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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * .
 *
 */
package tech.gusavila92.apache.http.impl.bootstrap;

import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

/**
 * @since 4.4
 */
class WorkerPoolExecutor extends ThreadPoolExecutor {

    private final Map workerSet;

    public WorkerPoolExecutor(
            final int corePoolSize,
            final int maximumPoolSize,
            final long keepAliveTime,
            final TimeUnit unit,
            final BlockingQueue workQueue,
            final ThreadFactory threadFactory) {
        super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue, threadFactory);
        this.workerSet = new ConcurrentHashMap();
    }

    @Override
    protected void beforeExecute(final Thread t, final Runnable r) {
        if (r instanceof Worker) {
            this.workerSet.put((Worker) r, Boolean.TRUE);
        }
    }

    @Override
    protected void afterExecute(final Runnable r, final Throwable t) {
        if (r instanceof Worker) {
            this.workerSet.remove(r);
        }
    }

    public Set getWorkers() {
        return new HashSet(this.workerSet.keySet());
    }

}