/*
Copyright 2010 Nathan Marz
Project and contact information: http://www.cascalog.org/
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cascalog;
import java.util.List;
import cascading.operation.FunctionCall;
import cascading.operation.OperationCall;
import cascading.tuple.Fields;
import cascading.tuple.Tuple;
import cascading.tuple.TupleEntryCollector;
public class ClojureCombiner extends ClojureCombinerBase {
public ClojureCombiner(Fields groupFields, List<Fields> argFields, Fields outFields,
List<ParallelAgg> agg_specs) {
super(groupFields, false, null, argFields, outFields, agg_specs, "cascalog.combiner.aggregator.size", 10000);
}
@Override
protected void write(Tuple group, List<Object> val, OperationCall opCall) {
TupleEntryCollector output = ((FunctionCall) opCall).getOutputCollector();
Tuple t = new Tuple(group);
for (Object o : val) {
t.add(o);
}
output.add(t);
}
}