001    /* ServiceContext.java --
002       Copyright (C) 2005 Free Software Foundation, Inc.
003    
004    This file is part of GNU Classpath.
005    
006    GNU Classpath is free software; you can redistribute it and/or modify
007    it under the terms of the GNU General Public License as published by
008    the Free Software Foundation; either version 2, or (at your option)
009    any later version.
010    
011    GNU Classpath is distributed in the hope that it will be useful, but
012    WITHOUT ANY WARRANTY; without even the implied warranty of
013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014    General Public License for more details.
015    
016    You should have received a copy of the GNU General Public License
017    along with GNU Classpath; see the file COPYING.  If not, write to the
018    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019    02110-1301 USA.
020    
021    Linking this library statically or dynamically with other modules is
022    making a combined work based on this library.  Thus, the terms and
023    conditions of the GNU General Public License cover the whole
024    combination.
025    
026    As a special exception, the copyright holders of this library give you
027    permission to link this library with independent modules to produce an
028    executable, regardless of the license terms of these independent
029    modules, and to copy and distribute the resulting executable under
030    terms of your choice, provided that you also meet, for each linked
031    independent module, the terms and conditions of the license of that
032    module.  An independent module is a module which is not derived from
033    or based on this library.  If you modify this library, you may extend
034    this exception to your version of the library, but you are not
035    obligated to do so.  If you do not wish to do so, delete this
036    exception statement from your version. */
037    
038    
039    package org.omg.IOP;
040    
041    import org.omg.CORBA.portable.IDLEntity;
042    
043    import 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     */
058    public 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    }