/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 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 Lesser General Public License for more details.
*
* Copyright (c) 2001 - 2013 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.filter;
import java.io.Serializable;
/**
* A DataTarget is a consumer in the DataProcessing chain. All Elements are DataTargets. Targets query their data from
* assigned DataSources.
*
* @author Thomas Morgner
*/
public interface DataTarget extends Serializable, Cloneable {
/**
* Returns the assigned DataSource for this Target.
*
* @return The datasource.
*/
public DataSource getDataSource();
/**
* Assigns a DataSource for this Target.
*
* @param ds
* The data source.
*/
public void setDataSource( DataSource ds );
/**
* Clones this datatarget.
*
* @return a clone of the datatarget.
* @throws CloneNotSupportedException
* this should never happen.
*/
public Object clone() throws CloneNotSupportedException;
}