examplesetadapter.java

著名的开源仿真软件yale

/*
 *  YALE - Yet Another Learning Environment
 *  Copyright (C) 2002, 2003
 *      Simon Fischer, Ralf Klinkenberg, Ingo Mierswa, 
 *          Katharina Morik, Oliver Ritthoff
 *      Artificial Intelligence Unit
 *      Computer Science Department
 *      University of Dortmund
 *      44221 Dortmund,  Germany
 *  email: [e-mail]
 *  web:   http://yale.cs.uni-dortmund.de/
 *
 *  This program 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. 
 *
 *  This program 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 this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 *  USA.
 */
package edu.udo.cs.yale.example;

import edu.udo.cs.yale.operator.OperatorException;

import java.util.Set;

/** This example set delegates all method calls to an underlying example set.
 *  Subclasses only need to override necessary methods whose behavior they want to change.
 *  Methods implemented by AbstractExampleSet are not re-implemented.
 *
 *  @version $Id: ExampleSetAdapter.java,v 2.7 2003/07/24 09:52:52 fischer Exp $
 */
public class ExampleSetAdapter extends AbstractExampleSet {

    /** The underlying example set the methods calls are delegated to. */
    protected ExampleSet delegate;

    /** Clone constructor. */
    public ExampleSetAdapter(ExampleSetAdapter exampleSet) {
	this.delegate = (ExampleSet)exampleSet.delegate.clone();
    }

    /** Constructs a new ExampleSet that delegates all method calls to the given ExampleSet. */
    public ExampleSetAdapter(ExampleSet exampleSet) {
	this.delegate = exampleSet;
    }

    public int getNumberOfAttributes() { return delegate.getNumberOfAttributes(); }
    public Attribute getAttribute(int index) { return delegate.getAttribute(index); }
    public Attribute getAttribute(String name) { return delegate.getAttribute(name); }
    public void addAttribute(Attribute attribute) { delegate.addAttribute(attribute); }
    public void removeAttribute(Attribute attribute) { delegate.removeAttribute(attribute); }

    public void setSpecialAttribute(String name, Attribute attribute) { 
	delegate.setSpecialAttribute(name, attribute);
    }
    public Attribute getSpecialAttribute(String name) { 
	return delegate.getSpecialAttribute(name);
    }

    public int getSize() { return delegate.getSize(); }
    public ExampleReader getExampleReader() { return delegate.getExampleReader(); }
    public ExampleTable getExampleTable() { return delegate.getExampleTable(); }
    public void setUserData(String key, Object data) { delegate.setUserData(key, data); }
    public Object getUserData(String key) { return delegate.getUserData(key); }
    public void clearUserData() { delegate.clearUserData(); }
    public Set getUserDataKeys() { return delegate.getUserDataKeys(); }

}