/* ValueBaseHolder.java --
   Copyright (C) 2005 Free Software Foundation, Inc.

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
independent module, the terms and conditions of the license of that
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this exception to your version of the library, but you are not
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package org.omg.CORBA;

import org.omg.CORBA.portable.InputStream;
import org.omg.CORBA.portable.OutputStream;
import org.omg.CORBA.portable.Streamable;

import java.io.Serializable;

/**
 * A holder to store a {@link ValueBase} that is handled as
 * {@link Serializable} here.
 *
 * @since 1.3
 *
 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
 */
public class ValueBaseHolder
  implements Streamable
{
  /**
   * A stored value of the value base type.
   */
  public Serializable value;

  /**
   * Create an unitialised instance.
   */
  public ValueBaseHolder()
  {
  }

  /**
   * Create an instance, initialised into the given value.
   *
   * @param initial an initial value.
   */
  public ValueBaseHolder(Serializable initial)
  {
    value = initial;
  }

  /**
   * Read fill in the value field by reading an instance from the
   * given input stream. Uses {@link ValueBaseHelper}
   *
   * @param input a stream to read from.
   */
  public void _read(InputStream input)
  {
    value = ValueBaseHelper.read(input);
  }

  /**
   * Get the typecode of the stored instance. Uses {@link ValueBaseHelper}
   */
  public TypeCode _type()
  {
    return ValueBaseHelper.type();
  }

  /**
   * Write the stored instance to the given output stream.
   * Uses {@link ValueBaseHelper}
   *
   * @param output a stream to write to.
   */
  public void _write(OutputStream output)
  {
    ValueBaseHelper.write(output, value);
  }
}