/*
* This file is part of the GeoLatte project.
*
* GeoLatte 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.
*
* GeoLatte 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 GeoLatte. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright (C) 2010 - 2010 and Ownership of code is shared by:
* Qmino bvba - Romeinsestraat 18 - 3001 Heverlee (http://www.qmino.com)
* Geovise bvba - Generaal Eisenhowerlei 9 - 2140 Antwerpen (http://www.geovise.com)
*/
package org.geolatte.common.transformer;
import java.util.ArrayList;
/**
* A very simple TransformerSource that simply passes a given data collection to its output() method.
*
* @param <T> The data type accepted by this transformer source.
*
* <p>
* <i>Creation-Date</i>: 19-Mar-2010<br>
* <i>Creation-Time</i>: 14:45:44<br>
* </p>
*
* @author Bert Vanhooff
* @author <a href="http://www.qmino.com">Qmino bvba</a>
* @since SDK1.5
*/
public class SimpleTransformerSource<T> extends TransformerSource<T> {
private Iterable<T> outputData;
/**
* Initializes a SimpleTransformationSource with the given data. If the given data is null, the output() will be empty.
*
* @param outputData The initial data.
*/
public SimpleTransformerSource(Iterable<T> outputData) {
if (outputData == null)
this.outputData = new ArrayList<T>();
else
this.outputData = outputData;
}
/**
* {@inheritDoc}
*/
public Iterable<T> output() {
return outputData;
}
}