/*
* 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 Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Sam
*/
package com.caucho.quercus.env;
import java.util.Map;
import java.util.Iterator;
/**
* A delegate that performs Iterator operations for Quercus objects.
*/
public interface TraversableDelegate {
/**
* Returns an iterator over the object's <key,value> entries.
*/
public Iterator<Map.Entry<Value, Value>>
getIterator(Env env, ObjectValue qThis);
/**
* Returns an iterator over the object's keys
*/
public Iterator<Value> getKeyIterator(Env env, ObjectValue qThis);
/**
* Returns an iterator over the object's values.
*/
public Iterator<Value> getValueIterator(Env env, ObjectValue qThis);
}