plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/util/concurrent/RunnableWithName.java

/*
 * Copyright (c) 2015 Eike Stepper (Berlin, Germany) and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Eike Stepper - initial API and implementation
 */
package org.eclipse.net4j.util.concurrent;

import org.eclipse.net4j.util.StringUtil;
import org.eclipse.net4j.util.om.OMPlatform;

/**
 * @author Eike Stepper
 * @since 3.6
 */
public abstract class RunnableWithName implements Runnable
{
  public static final boolean THREAD_NAMES = Boolean
      .parseBoolean(OMPlatform.INSTANCE.getProperty("org.eclipse.net4j.util.thread.names", "false"));

  public abstract String getName();

  public final void run()
  {
    if (!THREAD_NAMES)
    {
      doRun();
      return;
    }

    String name = getName();
    if (StringUtil.isEmpty(name))
    {
      doRun();
      return;
    }

    Thread thread = Thread.currentThread();
    String oldName = thread.getName();

    if (!StringUtil.isEmpty(oldName))
    {
      name = oldName + " - " + name;
    }

    thread.setName(name);

    try
    {
      doRun();
    }
    finally
    {
      thread.setName(oldName);
    }
  }

  protected abstract void doRun();

  public static void runWithName(final String name, final Runnable runnable)
  {
    if (!THREAD_NAMES || StringUtil.isEmpty(name))
    {
      runnable.run();
      return;
    }

    new RunnableWithName()
    {
      @Override
      public String getName()
      {
        return name;
      }

      @Override
      protected void doRun()
      {
        runnable.run();
      }
    }.run();
  }
}