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* Copyright 2009, Red Hat Middleware, LLC, and individual *
* contributors as indicated by the @authors tag. See the *
* copyright.txt in the distribution for a full listing of *
* individual contributors. *
* *
* This is free software; you can redistribute it and/or modify it *
* under the terms of the GNU Lesser General Public License as *
* published by the Free Software Foundation; either version 2.1 of *
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* This software is distributed in the hope that it will be useful, *
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* Lesser General Public License for more details. *
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package org.gatein.common.util;
import java.util.List;
import java.util.Set;
/**
* A property map with multi valued properties.
*
* @author Julien Viet
* @version $Revision: 630 $
*/
public interface MultiValuedPropertyMap
{
T getValue(String key) throws IllegalArgumentException;
List getValues(String key) throws IllegalArgumentException;
void addValue(String key, T value) throws IllegalArgumentException;
void setValue(String key, T value) throws IllegalArgumentException;
Set keySet();
void clear();
int size();
void append(MultiValuedPropertyMap appended) throws IllegalArgumentException;
}