1 /*
   2  * Copyright (c) 1997, 1999, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 package org.omg.CORBA.portable;
  26 
  27 import org.omg.CORBA.TypeCode;
  28 
  29 /**
  30  * The base class for the Holder classess of all complex
  31  * IDL types. The ORB treats all generated Holders as Streamable to invoke
  32  * the methods for marshalling and unmarshalling.
  33  *
  34  * @since   JDK1.2
  35  */
  36 
  37 public interface Streamable {
  38     /**
  39      * Reads data from <code>istream</code> and initalizes the
  40      * <code>value</code> field of the Holder with the unmarshalled data.
  41      *
  42      * @param     istream   the InputStream that represents the CDR data from the wire.
  43      */
  44     void _read(InputStream istream);
  45     /**
  46      * Marshals to <code>ostream</code> the value in the
  47      * <code>value</code> field of the Holder.
  48      *
  49      * @param     ostream   the CDR OutputStream
  50      */
  51     void _write(OutputStream ostream);
  52 
  53     /**
  54      * Retrieves the <code>TypeCode</code> object corresponding to the value
  55      * in the <code>value</code> field of the Holder.
  56      *
  57      * @return    the <code>TypeCode</code> object for the value held in the holder
  58      */
  59     TypeCode _type();
  60 }