/* RandomEvent.java -- an event with random data.
   Copyright (C) 2004, 2006 Free Software Foundation, Inc.

This file is a 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 of the License, 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; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, 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
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
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package gnu.java.security.prng;

import java.util.EventObject;

/**
 * A type for entropy accumulators that will be notified of random events.
 */
public class RandomEvent
    extends EventObject
{
  private final byte sourceNumber;

  private final byte poolNumber;

  private final byte[] data;

  public RandomEvent(Object source, byte sourceNumber, byte poolNumber,
                     byte[] data)
  {
    super(source);
    this.sourceNumber = sourceNumber;
    this.poolNumber = poolNumber;
    if (data.length == 0 || data.length > 32)
      throw new IllegalArgumentException(
          "random events take between 1 and 32 bytes of data");
    this.data = (byte[]) data.clone();
  }

  public byte getSourceNumber()
  {
    return sourceNumber;
  }

  public byte getPoolNumber()
  {
    return poolNumber;
  }

  public byte[] getData()
  {
    return data;
  }
}