/***********************************************************************************************************************
* 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.nephele.jobmanager;
import eu.stratosphere.core.io.StringRecord;
import eu.stratosphere.runtime.io.api.RecordReader;
import eu.stratosphere.runtime.io.api.RecordWriter;
import eu.stratosphere.nephele.template.AbstractTask;
public class ForwardTask extends AbstractTask {
private RecordReader<StringRecord> input = null;
private RecordWriter<StringRecord> output = null;
@Override
public void invoke() throws Exception {
this.output.initializeSerializers();
while (this.input.hasNext()) {
StringRecord s = input.next();
this.output.emit(s);
}
this.output.flush();
}
@Override
public void registerInputOutput() {
this.input = new RecordReader<StringRecord>(this, StringRecord.class);
this.output = new RecordWriter<StringRecord>(this);
}
}