/***********************************************************************************************************************
* 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.test.recordJobs.relational.query9Util;
import eu.stratosphere.api.java.record.functions.MapFunction;
import eu.stratosphere.test.recordJobs.util.Tuple;
import eu.stratosphere.types.NullValue;
import eu.stratosphere.types.Record;
import eu.stratosphere.util.Collector;
@SuppressWarnings("serial")
public class PartFilter extends MapFunction {
private final Tuple inputTuple = new Tuple();
private static String COLOR = "green";
/**
* Filter and project "part".
* The parts are filtered by "name LIKE %green%".
*
* Output Schema:
* Key: partkey
* Value: (empty)
*
*/
@Override
public void map(Record record, Collector<Record> out) throws Exception
{
Tuple inputTuple = record.getField(1, this.inputTuple);
if (inputTuple.getStringValueAt(1).indexOf(COLOR) != -1) {
record.setField(1, NullValue.getInstance());
out.collect(record);
}
}
}