| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.sysds.runtime.controlprogram.parfor; |
| |
| import java.util.Iterator; |
| |
| import org.apache.spark.api.java.function.PairFunction; |
| import org.apache.sysds.runtime.DMLRuntimeException; |
| import org.apache.sysds.runtime.controlprogram.caching.MatrixObject; |
| import org.apache.sysds.runtime.data.DenseBlock; |
| import org.apache.sysds.runtime.matrix.data.MatrixBlock; |
| import org.apache.sysds.runtime.matrix.data.MatrixIndexes; |
| import org.apache.sysds.runtime.util.DataConverter; |
| |
| import scala.Tuple2; |
| |
| public class ResultMergeRemoteSparkWCompare extends ResultMerge implements PairFunction<Tuple2<MatrixIndexes,Tuple2<Iterable<MatrixBlock>,MatrixBlock>>, MatrixIndexes, MatrixBlock> |
| { |
| private static final long serialVersionUID = -5970805069405942836L; |
| |
| public ResultMergeRemoteSparkWCompare(boolean accum) { |
| _isAccum = accum; |
| } |
| |
| @Override |
| public Tuple2<MatrixIndexes, MatrixBlock> call(Tuple2<MatrixIndexes, Tuple2<Iterable<MatrixBlock>, MatrixBlock>> arg) |
| throws Exception |
| { |
| MatrixIndexes ixin = arg._1(); |
| Iterator<MatrixBlock> din = arg._2()._1().iterator(); |
| MatrixBlock cin = arg._2()._2(); |
| |
| //create compare array |
| DenseBlock compare = DataConverter.convertToDenseBlock(cin, false); |
| |
| //merge all blocks into compare block |
| MatrixBlock out = new MatrixBlock(cin); |
| while( din.hasNext() ) |
| mergeWithComp(out, din.next(), compare); |
| |
| //create output tuple |
| return new Tuple2<>(new MatrixIndexes(ixin), out); |
| } |
| |
| @Override |
| public MatrixObject executeSerialMerge() { |
| throw new DMLRuntimeException("Unsupported operation."); |
| } |
| |
| @Override |
| public MatrixObject executeParallelMerge(int par) { |
| throw new DMLRuntimeException("Unsupported operation."); |
| } |
| } |