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Free Java Reporting Library
/*
* 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.types.date;
/**
* Interface for utility class which allows to deal with date range as with string expression.
* It is separated from {@link DateRange} in order to decouple date range by itself
* which is necessary for query execution only and it's string representation which is necessary for
* UI presentation of date range.
*
* @author Sergey Prilukin
*/
public interface DateRangeExpression
{
/**
* Returns string which represents date range expression.
*
* @return relative date expression as a string.
*/
public String getExpression();
}