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JasperReports Library

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/*
 * JasperReports - Free Java Reporting Library.
 * Copyright (C) 2001 - 2014 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.fill;


/**
 * @author Teodor Danciu ([email protected])
 */
public abstract class AbstractValueProvider
{


	/**
	 *
	 */
	private static AbstractValueProvider currentValueProvider = 
		new AbstractValueProvider()
		{
			@Override
			public Object getValue(JRCalculable calculable)
			{
				return calculable.getValue();
			}
		};

	/**
	 *
	 */
	private static AbstractValueProvider estimatedValueProvider = 
		new AbstractValueProvider()
		{
			@Override
			public Object getValue(JRCalculable calculable)
			{
				return ((JRFillVariable) calculable).getEstimatedValue();
			}
		};


	/**
	 *
	 */
	public static AbstractValueProvider getCurrentValueProvider()
	{
		return currentValueProvider; 
	}


	/**
	 *
	 */
	public static AbstractValueProvider getEstimatedValueProvider()
	{
		return estimatedValueProvider; 
	}


	/**
	 *
	 */
	public abstract Object getValue(JRCalculable calculable);


}