/**
* AnalyzerBeans
* Copyright (C) 2014 Neopost - Customer Information Management
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* 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.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.eobjects.analyzer.util.batch;
import java.util.Collections;
import java.util.List;
import org.eobjects.analyzer.beans.api.Configured;
import org.eobjects.analyzer.beans.api.OutputColumns;
import org.eobjects.analyzer.beans.api.TransformerBean;
import org.eobjects.analyzer.data.InputColumn;
import org.eobjects.analyzer.data.InputRow;
import org.apache.metamodel.util.CollectionUtils;
import org.apache.metamodel.util.Func;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@TransformerBean("Mock batcher")
public class MockBatchTransformer extends BatchTransformer {
private static final Logger logger = LoggerFactory.getLogger(MockBatchTransformer.class);
@Configured
InputColumn<String> input;
@Override
public OutputColumns getOutputColumns() {
return new OutputColumns("BAZ");
}
@Override
public void map(BatchSource<InputRow> source, BatchSink<Object[]> sink) {
logger.info("map({} records)", source.size());
;
List<InputRow> list = source.toList();
List<String> values = CollectionUtils.map(list, new Func<InputRow, String>() {
@Override
public String eval(InputRow row) {
return row.getValue(input);
}
});
// sort the values
Collections.sort(values);
for (int i = 0; i < source.size(); i++) {
String value = values.get(i);
sink.setOutput(i, new Object[] { value });
logger.info("setOutput({}, {})", i, value);
}
}
}