operatorpropertyfactory.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 Aug 31, 2004
 *
 * To change the template for this generated file go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
package eti.bi.alphaminer.operation.property;


import java.lang.reflect.Constructor;


import com.prudsys.pdm.Core.MiningException;

import eti.bi.alphaminer.core.Node.NodeLoader;
import eti.bi.alphaminer.core.handler.CaseHandler;
import eti.bi.alphaminer.core.observer.Observer;
import eti.bi.alphaminer.core.observer.OperatorPropertyObserver;
import eti.bi.alphaminer.operation.operator.NodeInfo;
import eti.bi.alphaminer.operation.operator.Operator;
import eti.bi.alphaminer.ui.CaseDiagramPanel;
import eti.bi.exception.SysException;

/**
 * @author achiu
 * 
 * To change the template for this generated type comment go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
public class OperatorPropertyFactory {

	public static OperatorProperty createOperatorProperty(String a_CaseID,
			Operator a_Operator, CaseDiagramPanel a_Panel)
			throws MiningException, SysException {

		OperatorProperty propertyForm = null;
		
		String operatorDefinitionID = a_Operator.getOperatorDefinitionID();
		NodeInfo nodeInfo = NodeLoader.getNodeInfo(operatorDefinitionID);

		if (!nodeInfo.isMenuOpenEnabled())
		{
			// If open menu is disabled, return null property form
			return null;
		}
		
		String classname = nodeInfo.getOperatorPropertyClassName();
		try {
			Class operatorPropertyClass = Class.forName(classname,true,nodeInfo.getClassLoader());
			Class [] parameterTypes = {Class.forName("java.lang.String"), Class.forName("java.lang.String"), Class.forName("java.lang.String"), Class.forName("eti.bi.alphaminer.operation.operator.INodeInfo"),Class.forName("eti.bi.alphaminer.core.handler.ICaseHandler")};
			Object [] parameters = {a_CaseID, a_Operator.getNodeID(), a_Operator.getLabel(), nodeInfo, CaseHandler.getInstance()};
			Constructor constructor = operatorPropertyClass.getConstructor(parameterTypes);
			propertyForm = (OperatorProperty)constructor.newInstance(parameters);
			//propertyForm.setOperatorDefinitionID(a_OperatorDefinitionID);
		} catch (Exception e) {
			e.printStackTrace();
			throw new SysException(e);
		}
		Observer aObserver = new OperatorPropertyObserver(a_Panel);
		propertyForm.registerInterest(aObserver);
		return propertyForm;
	}
}