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/*
 * JasperReports - Free Java Reporting Library.
 * Copyright (C) 2001 - 2019 TIBCO Software Inc. All rights reserved.
 * http://www.jaspersoft.com
 *
 * Unless you have purchased a commercial license agreement from Jaspersoft,
 * the following license terms apply:
 *
 * This program is part of JasperReports.
 *
 * JasperReports 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 3 of the License, or
 * (at your option) any later version.
 *
 * JasperReports 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with JasperReports. If not, see .
 */
package net.sf.jasperreports.engine.analytics.dataset;

import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.JRExpression;
import net.sf.jasperreports.engine.design.events.JRChangeEventsSupport;
import net.sf.jasperreports.engine.design.events.JRPropertyChangeSupport;
import net.sf.jasperreports.engine.type.CalculationEnum;

/**
 * @author Lucian Chirita ([email protected])
 */
public class DesignDataMeasure extends BaseDataMeasure implements JRChangeEventsSupport
{

	private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
	
	public static final String PROPERTY_NAME = "name";
	public static final String PROPERTY_LABEL_EXPRESSION = "labelExpression";
	public static final String PROPERTY_VALUE_CLASS_NAME = "valueClassName";
	public static final String PROPERTY_VALUE_EXPRESSION = "valueExpression";
	public static final String PROPERTY_CALCULATION = "calculation";
	public static final String PROPERTY_INCREMENTER_FACTORY_CLASS_NAME = "incrementerFactoryClassName";
	
	public DesignDataMeasure()
	{
	}

	public void setName(String name)
	{
		Object old = this.name;
		this.name = name;
		getEventSupport().firePropertyChange(PROPERTY_NAME, old, this.name);
	}

	public void setLabelExpression(JRExpression expression)
	{
		Object old = this.labelExpression;
		this.labelExpression = expression;
		getEventSupport().firePropertyChange(PROPERTY_LABEL_EXPRESSION, old, this.labelExpression);
	}

	@Override
	public void setValueClassName(String valueClassName)
	{
		Object old = this.valueClassName;
		super.setValueClassName(valueClassName);
		getEventSupport().firePropertyChange(PROPERTY_VALUE_CLASS_NAME, old, this.valueClassName);
	}

	public void setValueExpression(JRExpression expression)
	{
		Object old = this.valueExpression;
		this.valueExpression = expression;
		getEventSupport().firePropertyChange(PROPERTY_VALUE_EXPRESSION, old, this.valueExpression);
	}

	public void setCalculation(CalculationEnum calculation)
	{
		Object old = this.calculation;
		this.calculation = calculation;
		getEventSupport().firePropertyChange(PROPERTY_CALCULATION, old, this.calculation);
	}

	@Override
	public void setIncrementerFactoryClassName(String incrementerFactoryClassName)
	{
		Object old = this.incrementerFactoryClassName;
		super.setIncrementerFactoryClassName(incrementerFactoryClassName);
		getEventSupport().firePropertyChange(PROPERTY_INCREMENTER_FACTORY_CLASS_NAME, old, this.incrementerFactoryClassName);
	}
	
	private transient JRPropertyChangeSupport eventSupport;
	
	@Override
	public JRPropertyChangeSupport getEventSupport()
	{
		synchronized (this)
		{
			if (eventSupport == null)
			{
				eventSupport = new JRPropertyChangeSupport(this);
			}
		}
		return eventSupport;
	}
	
}