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/*
 * Copyright 2008-present MongoDB, Inc.
 *
 * 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.mongodb.internal.thread;

import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;

/**
 *  Custom thread factory for scheduled executor service that creates daemon threads.  Otherwise,
 *  applications that neglect to close the client will not exit.
 *
 *  This class should not be considered a part of the public API.
 *
 * @deprecated Usage of this API is not supported in AEM as a Cloud Service.
 */
@Deprecated(since = "2021-05-27")
public class DaemonThreadFactory implements ThreadFactory {

    private static final AtomicInteger POOL_NUMBER = new AtomicInteger(1);

    private final AtomicInteger threadNumber = new AtomicInteger(1);

    private final String namePrefix;

    public DaemonThreadFactory(final String prefix) {
        namePrefix = prefix + "-" + POOL_NUMBER.getAndIncrement() + "-thread-";
    }

    @Override
    public Thread newThread(final Runnable runnable) {
        Thread t = new Thread(runnable, namePrefix + threadNumber.getAndIncrement());
        t.setDaemon(true);
        return t;
    }
}