001/* ServiceContext.java --
002   Copyright (C) 2005 Free Software Foundation, Inc.
003
004This file is part of GNU Classpath.
005
006GNU Classpath is free software; you can redistribute it and/or modify
007it under the terms of the GNU General Public License as published by
008the Free Software Foundation; either version 2, or (at your option)
009any later version.
010
011GNU Classpath is distributed in the hope that it will be useful, but
012WITHOUT ANY WARRANTY; without even the implied warranty of
013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014General Public License for more details.
015
016You should have received a copy of the GNU General Public License
017along with GNU Classpath; see the file COPYING.  If not, write to the
018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
01902110-1301 USA.
020
021Linking this library statically or dynamically with other modules is
022making a combined work based on this library.  Thus, the terms and
023conditions of the GNU General Public License cover the whole
024combination.
025
026As a special exception, the copyright holders of this library give you
027permission to link this library with independent modules to produce an
028executable, regardless of the license terms of these independent
029modules, and to copy and distribute the resulting executable under
030terms of your choice, provided that you also meet, for each linked
031independent module, the terms and conditions of the license of that
032module.  An independent module is a module which is not derived from
033or based on this library.  If you modify this library, you may extend
034this exception to your version of the library, but you are not
035obligated to do so.  If you do not wish to do so, delete this
036exception statement from your version. */
037
038
039package org.omg.IOP;
040
041import org.omg.CORBA.portable.IDLEntity;
042
043import java.io.Serializable;
044
045/**
046 * The ServiceContext structure contains the service data, being passed in the
047 * CORBA message. For instance, then passing the wide characters, it is
048 * mandatory to include the service context, defining the used encoding.
049 * The contexts are recognised by they integer indentifier.
050 * In this class, the content of the context is represented as an abstract
051 * array of bytes.
052 *
053 * @see ServiceContextHolder
054 * @see ServiceContextHelper
055 *
056 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
057 */
058public final class ServiceContext
059  implements IDLEntity, Serializable
060{
061  /**
062   * Use serialVersionUID (v1.4) for interoperability.
063   */
064  private static final long serialVersionUID = -2232391417465261379L;
065
066  /**
067   * The context id (for instance, 0x1 for code sets context).
068   * At the moment of writing, the OMG defines 16 standard values and
069   * provides rules to register the vendor specific context ids.
070   * The range 0-4095 is reserved for the future standard OMG contexts.
071   */
072  public int context_id;
073
074  /**
075   * The context_data.
076   */
077  public byte[] context_data;
078
079  /**
080   * Create the unitialised instance, assigning to
081   * the all fields java default values.
082   */
083  public ServiceContext()
084  {
085  }
086
087  /**
088   * Create the instance, initialising the fields to the given values.
089   */
090  public ServiceContext(int a_context_id, byte[] a_context_data)
091  {
092    this.context_id = a_context_id;
093    this.context_data = a_context_data;
094  }
095}