modeloperator.java

一个数据挖掘软件ALPHAMINERR的整个过程的JAVA版源代码

/*
 *    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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/*
 * Created on 2005/2/4
 *
 * $Author$
 * $Date$
 * $Revision$
 *
 */
package eti.bi.alphaminer.operation.operator;

import eti.bi.alphaminer.core.handler.ICaseHandler;
import eti.bi.alphaminer.operation.operator.Operator;


/**
 * @author kelvinj
 *
 * All modeling operators should inherit this ModelOperator class.
 */
public abstract class ModelOperator extends Operator {

	public ModelOperator(String a_CaseID, INodeInfo aNodeInfo, ICaseHandler aCaseHandler) 
	{
		super(a_CaseID, aNodeInfo, aCaseHandler);
	}
	/**
	 * Default Model Name, each modeling operator should set the default model name
	 * So that other operators could get the model name before the execution 
	 */
	protected String m_DefaultModelName = "Unknown Model";
	
	
	/**
	 * Set default model name. Should be called by constructor of the modeling operator 
	 */
	protected void setDefaultModelName(String a_Name)
	{
		m_DefaultModelName = a_Name;
	}
	
	/**
	 * Get default model name. 
	 */
	public String getDefaultModelName()
	{
		return m_DefaultModelName;
	}
	
	/** 
	 * Return true if the opeartor could be connected as the parent
	 * @see eti.bi.alphaminer.ui.operator.Operator#acceptParent(eti.bi.alphaminer.ui.operator.Operator)
	 */
	public boolean acceptParent(Operator a_Operator){
		return acceptAsParent(a_Operator);
	}
	
	/**
	 * Return true if this type of opeartor could be connected as the parent
	 * @param a_Operator
	 */
	public static boolean acceptAsParent(Operator a_Operator) 
	{
		// Modeling operators accept input and transform operators
		if (a_Operator != null)
		{
			if (a_Operator instanceof InputOperator || 
				a_Operator instanceof TransformOperator)
			{
				return true;
			}
		}
		return false;
	}
}