/***********************************************************************************************************************
* Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu)
*
* 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 eu.stratosphere.pact.runtime.iterative.io;
import eu.stratosphere.runtime.io.api.MutableRecordReader;
import eu.stratosphere.nephele.template.AbstractOutputTask;
import eu.stratosphere.types.Record;
/**
* Output task for the iteration tail
*/
public class FakeOutputTask extends AbstractOutputTask {
private MutableRecordReader<Record> reader;
private final Record record = new Record();
@Override
public void registerInputOutput() {
reader = new MutableRecordReader<Record>(this);
}
@Override
public void invoke() throws Exception {
// ensure that input is consumed, although this task should never see any records
while (reader.next(record)) {
throw new IllegalStateException("This task should not receive any data");
}
}
}