ConcatAggregationFunction.java example

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rapidminer-5-master
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 *  RapidMiner
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 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
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 *  along with this program.  If not, see http://www.gnu.org/licenses/.
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package com.rapidminer.operator.preprocessing.transformation.aggregation;

import com.rapidminer.example.Attribute;

/**
 * @author Marius Helf
 *
 */
public class ConcatAggregationFunction extends NominalAggregationFunction {
	public static final String FUNCTION_CONCAT = "concat";
	
	private static final String SEPARATOR = "|";

    public ConcatAggregationFunction(Attribute sourceAttribute, boolean ignoreMissings, boolean countOnlyDisctinct) {
        super(sourceAttribute, ignoreMissings, countOnlyDisctinct, FUNCTION_CONCAT, FUNCTION_SEPARATOR_OPEN, FUNCTION_SEPARATOR_CLOSE);
    }

    public ConcatAggregationFunction(Attribute sourceAttribute, boolean ignoreMissings,boolean countOnlyDisctinct,  String functionName, String separatorOpen, String separatorClose) {
        super(sourceAttribute, ignoreMissings, countOnlyDisctinct, functionName, separatorOpen, separatorClose);
    }

	
	@Override
	public Aggregator createAggregator() {
		return new ConcatAggregator(this);
	}

	public String getSeparator() {
		return SEPARATOR;
	}

}