com.dataartisans.flink.cascading.runtime.hashJoin.TupleAppendCrosser Maven / Gradle / Ivy
/*
* Copyright 2015 data Artisans GmbH
*
* 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 com.dataartisans.flink.cascading.runtime.hashJoin;
import cascading.tuple.Tuple;
import org.apache.flink.api.common.functions.CrossFunction;
import org.apache.flink.api.java.tuple.Tuple2;
public class TupleAppendCrosser implements CrossFunction, Tuple, Tuple2> {
private int tupleListPos;
public TupleAppendCrosser(int tupleListPos) {
this.tupleListPos = tupleListPos;
}
@Override
public Tuple2 cross(Tuple2 left, Tuple right) throws Exception {
left.f1[tupleListPos] = right;
return left;
}
}