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/* ULongLongSeqHolder.java --

   Copyright (C) 2005, 2006 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

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 org.omg.CORBA;

import gnu.CORBA.typecodes.ArrayTypeCode;

import org.omg.CORBA.portable.InputStream;

import org.omg.CORBA.portable.OutputStream;

import org.omg.CORBA.portable.Streamable;

/**

 * A sequence holder for CORBA <code>ULongLongSeq</code> that is mapped into

 * java <code>long[]</code>.

 *

 * @author Audrius Meskauskas (AudriusA@Bioinformatics.org)

 */

public final class ULongLongSeqHolder

  implements Streamable

{

  /**

   * The <code>long[]</code> (CORBA <code>ULongLongSeq</code>) value,

   * held by this ULongLongSeqHolder.

   */

  public long[] value;

  /**

   * The type code for this holder. Each holder has a different instance.

   */

  private final ArrayTypeCode typecode =

    new ArrayTypeCode(TCKind.tk_ulonglong);

  /**

   * Constructs an instance of ULongLongSeqHolder,

   * initializing {@link #value} to <code>null</code>.

   */

  public ULongLongSeqHolder()

  {

  }

  /**

   * Constructs an instance of ULongLongSeqHolder,

   * initializing {@link #value} to the given <code>long[]</code>.

   *

   * @param initial_value a value that will be assigned to the

   * {@link #value} field.

   */

  public ULongLongSeqHolder(long[] initial_value)

  {

    value = initial_value;

    typecode.setLength(value.length);

  }

  /**

   * Fill in the {@link #value } field by reading the required data

   * from the given stream. This method first reads the array size

   * (as CORBA <code>long</code>) and then calls the

   * {@link org.omg.CORBA.portable.InputStream#read_ulonglong_array }.

   *

   * @param input the input stream to read from.

   */

  public void _read(InputStream input)

  {

    value = new long[ input.read_long() ];

    input.read_ulonglong_array(value, 0, value.length);

    typecode.setLength(value.length);

  }

  /**

   * Returns the TypeCode, corresponding the CORBA type that is stored

   * using this holder.

   */

  public TypeCode _type()

  {

    return typecode;

  }

  /**

   * Write the {@link #value } field to the given stream.

   * This method first writes the array size

   * (as CORBA <code>long</code>) and then calls the

   * {@link org.omg.CORBA.portable.OutputStream#write_ulonglong_array }.

   *

   * @param output the output stream to write into.

   */

  public void _write(OutputStream output)

  {

    output.write_long(value.length);

    output.write_ulonglong_array(value, 0, value.length);

  }

}