NamedThreadFactory.java

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 * Copyright (C) 2023 wcm.io
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 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
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 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
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package io.wcm.handler.mediasource.dam.impl.metadata.concurrency;

import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicLong;

/**
 * Creates new threads with a given formatted name, including a counter that is incremented for each new thread.
 */
public final class NamedThreadFactory implements ThreadFactory {

  private final String namePrefix;
  private final AtomicLong counter = new AtomicLong();

  /**
   * @param namePrefix Prefix for thread name, will be suffixed with "-{number}".
   */
  public NamedThreadFactory(String namePrefix) {
    this.namePrefix = namePrefix;
  }

  @Override
  public Thread newThread(Runnable r) {
    Thread thread = Executors.defaultThreadFactory().newThread(r);
    thread.setName(namePrefix + "-" + counter.getAndIncrement());
    return thread;
  }

}