duke@1: /*
ohair@158:  * Copyright (c) 1997, 1999, Oracle and/or its affiliates. All rights reserved.
duke@1:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1:  *
duke@1:  * This code is free software; you can redistribute it and/or modify it
duke@1:  * under the terms of the GNU General Public License version 2 only, as
ohair@158:  * published by the Free Software Foundation.  Oracle designates this
duke@1:  * particular file as subject to the "Classpath" exception as provided
ohair@158:  * by Oracle in the LICENSE file that accompanied this code.
duke@1:  *
duke@1:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@1:  * version 2 for more details (a copy is included in the LICENSE file that
duke@1:  * accompanied this code).
duke@1:  *
duke@1:  * You should have received a copy of the GNU General Public License version
duke@1:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@1:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1:  *
ohair@158:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@158:  * or visit www.oracle.com if you need additional information or have any
ohair@158:  * questions.
duke@1:  */
duke@1: package org.omg.CORBA.portable;
duke@1: 
duke@1: import org.omg.CORBA.TypeCode;
duke@1: 
duke@1: /**
duke@1:  * The base class for the Holder classess of all complex
duke@1:  * IDL types. The ORB treats all generated Holders as Streamable to invoke
duke@1:  * the methods for marshalling and unmarshalling.
duke@1:  *
duke@1:  * @since   JDK1.2
duke@1:  */
duke@1: 
duke@1: public interface Streamable {
duke@1:     /**
duke@1:      * Reads data from <code>istream</code> and initalizes the
duke@1:      * <code>value</code> field of the Holder with the unmarshalled data.
duke@1:      *
duke@1:      * @param     istream   the InputStream that represents the CDR data from the wire.
duke@1:      */
duke@1:     void _read(InputStream istream);
duke@1:     /**
duke@1:      * Marshals to <code>ostream</code> the value in the
duke@1:      * <code>value</code> field of the Holder.
duke@1:      *
duke@1:      * @param     ostream   the CDR OutputStream
duke@1:      */
duke@1:     void _write(OutputStream ostream);
duke@1: 
duke@1:     /**
duke@1:      * Retrieves the <code>TypeCode</code> object corresponding to the value
duke@1:      * in the <code>value</code> field of the Holder.
duke@1:      *
duke@1:      * @return    the <code>TypeCode</code> object for the value held in the holder
duke@1:      */
duke@1:     TypeCode _type();
duke@1: }