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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libjava/] [classpath/] [gnu/] [classpath/] [jdwp/] [event/] [ThreadEndEvent.java] - Rev 769

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/* ThreadEndEvent.java -- An event specifying that a thread has died
   Copyright (C) 2005 Free Software Foundation
 
This file is part of GNU Classpath.
 
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
 
GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING.  If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
 
Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
 
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module.  An independent module is a module which is not derived from
or based on this library.  If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so.  If you do not wish to do so, delete this
exception statement from your version. */
 
 
package gnu.classpath.jdwp.event;
 
import gnu.classpath.jdwp.JdwpConstants;
import gnu.classpath.jdwp.VMIdManager;
import gnu.classpath.jdwp.id.ThreadId;
 
import java.io.DataOutputStream;
import java.io.IOException;
 
/**
 * "Notification of a completed thread in the target VM. The notification
 * is generated by the dying thread before it terminates. Because of this
 * timing, it is possible for VirtualMachine.allThreads to return this
 * thread after this event is received.
 *
 * <p>Note that this event gives no information about the lifetime of the
 * thread object. It may or may not be collected soon depending on what
 * references exist in the target VM." -- JDWP 1.4.2
 *
 * @author Keith Seitz  (keiths@redhat.com)
 */
public class ThreadEndEvent
  extends Event
{
  private Thread _thread;
 
  /**
   * Constructs a new <code>ThreadEndEvent</code>
   *
   * @param thread  the deceased thread
   */
  public ThreadEndEvent (Thread thread)
  {
    super (JdwpConstants.EventKind.THREAD_END);
    _thread = thread;
  }
 
  /**
   * Returns a specific filtering parameter for this event.
   * Valid types are ThreadId.
   *
   * @param type  the type of parameter desired
   * @returns the desired parameter or <code>null</code>
   */
  public Object getParameter (int type)
  {
    if (type == EVENT_THREAD)
      return _thread;
 
    return null;
  }
 
  /**
   * Writes the event to the given stream
   *
   * @param outStream  the output stream to write the event to
   */
  protected void _writeData (DataOutputStream outStream)
    throws IOException
  {
    VMIdManager idm = VMIdManager.getDefault();
    ThreadId tid = (ThreadId) idm.getObjectId (_thread);
    tid.write (outStream);
  }
}
 

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