SetBtgIds.java
/*
* Copyright © 2014 - 2021 Leipzig University (Database Research Group)
*
* 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 org.gradoop.flink.algorithms.btgs.functions;
import org.apache.flink.api.common.functions.JoinFunction;
import org.apache.flink.api.java.tuple.Tuple2;
import org.gradoop.common.model.api.entities.Vertex;
import org.gradoop.common.model.impl.id.GradoopId;
import org.gradoop.common.model.impl.id.GradoopIdSet;
/**
* Associates a (master) vertex with business transaction graphs.
* @param <V> vertex type
*/
public class SetBtgIds<V extends Vertex>
implements JoinFunction<V, Tuple2<GradoopId, GradoopIdSet>, V> {
@Override
public V join(V element, Tuple2<GradoopId, GradoopIdSet> mapping) throws
Exception {
element.setGraphIds(mapping.f1);
return element;
}
}