/* LongHolder.java -- Copyright (C) 2005 Free Software Foundation, Inc. This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version. */ package org.omg.CORBA; import org.omg.CORBA.portable.InputStream; import org.omg.CORBA.portable.OutputStream; import org.omg.CORBA.portable.Streamable; /** * A holder for CORBA long long that is mapped into * java long. * * The holders have several application areas. The end user usually * sees them implementing CORBA methods where the primitive type * is passed by reference. While CORBA (or, for example, C) supports * this, the java does not and a wrapper class is required. * * @author Audrius Meskauskas (AudriusA@Bioinformatics.org) */ public final class LongHolder implements Streamable { /** * The default type code for this holder. */ private static final TypeCode t_longlong = new primitiveTypeCode(TCKind.tk_longlong); /** * The long (CORBA long long) value, * held by this LongHolder. */ public long value; /** * Constructs an instance of LongHolder, * initializing {@link #value} to 0 . */ public LongHolder() { } /** * Constructs an instance of LongHolder, * initializing {@link #value} to the given long. * * @param initial_value a value that will be assigned to the * {@link #value} field. */ public LongHolder(long initial_value) { value = initial_value; } /** * Fill in the {@link value } field by reading the required data * from the given stream. For long long, the functionality * is delegated to * {@link org.omg.CORBA.portable.InputStream#read_longlong}. * * @param input the input stream to read from. */ public void _read(InputStream input) { input.read_longlong(); } /** * Returns the TypeCode, corresponding the CORBA type that is stored * using this holder. */ public TypeCode _type() { return t_longlong; } /** * Write the {@link value } field to the given stream. * For long long, the functionality * is delegated to * {@link org.omg.CORBA.portable.OutputStream#write_longlong(long) }. * * @param output the output stream to write into. */ public void _write(OutputStream output) { output.write_longlong(value); } }