001/* BoxedValueHelper.java -- 002 Copyright (C) 2005, 2006 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.CORBA.portable; 040 041import java.io.Serializable; 042 043/** 044 * Provides a helper operations for the boxed value type. 045 * A boxed value type is a value type with no inheritance, no methods 046 * and with a single state member. No additional properties can 047 * be defined. It is an error to box value types. 048 * 049 * The value type may have its own helper, implementing 050 * this interface. 051 * 052 * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org) 053 */ 054public interface BoxedValueHelper 055{ 056 /** 057 * Get the repository id of this value type. 058 * 059 * @return a repository id. 060 */ 061 String get_id(); 062 063 /** 064 * Read this value type from the CDR stream. 065 * 066 * @param istream is a stream to read from. 067 * 068 * @return a loaded value type. 069 */ 070 Serializable read_value(InputStream istream); 071 072 /** 073 * Write this value type to the CDR stream. 074 * 075 * @param ostream a stream to write to. 076 * @param value a value to write. 077 */ 078 void write_value(OutputStream ostream, Serializable value); 079}