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jpivot-wcf code used by the ART reporting tool

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/*
 * ====================================================================
 * This software is subject to the terms of the Common Public License
 * Agreement, available at the following URL:
 *   http://www.opensource.org/licenses/cpl.html .
 * Copyright (C) 2003-2004 TONBELLER AG.
 * All Rights Reserved.
 * You must accept the terms of that agreement to use this software.
 * ====================================================================
 *
 * 
 */
package net.sf.wcfart.wcf.param;

import java.util.Collection;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

/**
 * implements a map that maps to the sqlValue property of
 * the SessionParam's in the SessionParamPool.
 * Not all methods are implemented but enough to use
 * the map as a generic target for wcf forms.
 * 

 * In a wcf:form xml definition, e.g. you can set the modelReference
 * attribute to "sqlValue.foo". Then the user will be able to
 * change the sqlValue of the SessionParam named "foo". 
 * 

 * If you put a value into the map, the corresponding SqlParam
 * will be created.
 * 
 * @author av
 */
public class SqlValueMap implements Map {
  
  private SessionParamPool pool;

  SqlValueMap(SessionParamPool pool) {
    this.pool = pool;
  }

  public int size() {
    return pool.size();
  }

  public void clear() {
    pool.clear();
  }
  
  public boolean isEmpty() {
    return pool.isEmpty();
  }

  public boolean containsKey(Object key) {
    return pool.getParam(String.valueOf(key)) != null;
  }

  public boolean containsValue(Object value) {
    throw new UnsupportedOperationException();
  }

  public Collection