/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source 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 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
* Free SoftwareFoundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.bytecode;
import java.io.IOException;
import java.util.logging.Logger;
/**
* Represents a constant pool entry.
*/
abstract public class ConstantPoolEntry {
private ConstantPool _pool;
private int _index;
ConstantPoolEntry(ConstantPool pool, int index)
{
_pool = pool;
_index = index;
}
/**
* Returns the constant pool.
*/
public ConstantPool getConstantPool()
{
return _pool;
}
/**
* Returns the index.
*/
public int getIndex()
{
return _index;
}
/**
* Writes the contents of the pool.
*/
abstract void write(ByteCodeWriter out)
throws IOException;
/**
* Exports to the target pool.
*
* @return the index in the target pool.
*/
abstract int export(ConstantPool target);
}