| /* |
| * 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.instructions.spark.functions; |
| |
| import org.apache.spark.api.java.function.PairFunction; |
| import org.apache.sysds.runtime.DMLRuntimeException; |
| import org.apache.sysds.runtime.functionobjects.DiagIndex; |
| import org.apache.sysds.runtime.functionobjects.IndexFunction; |
| import org.apache.sysds.runtime.functionobjects.SwapIndex; |
| import org.apache.sysds.runtime.matrix.data.MatrixBlock; |
| import org.apache.sysds.runtime.matrix.data.MatrixIndexes; |
| import org.apache.sysds.runtime.matrix.operators.ReorgOperator; |
| |
| import scala.Tuple2; |
| |
| public class ReorgMapFunction implements PairFunction<Tuple2<MatrixIndexes, MatrixBlock>, MatrixIndexes, MatrixBlock> |
| { |
| private static final long serialVersionUID = 31065772250744103L; |
| |
| private ReorgOperator _reorgOp = null; |
| private IndexFunction _indexFnObject = null; |
| |
| public ReorgMapFunction(String opcode) { |
| if(opcode.equalsIgnoreCase("r'")) { |
| _indexFnObject = SwapIndex.getSwapIndexFnObject(); |
| } |
| else if(opcode.equalsIgnoreCase("rdiag")) { //diagM2V |
| _indexFnObject = DiagIndex.getDiagIndexFnObject(false); |
| } |
| else { |
| throw new DMLRuntimeException("Incorrect opcode for RDDReorgMapFunction:" + opcode); |
| } |
| _reorgOp = new ReorgOperator(_indexFnObject); |
| } |
| |
| @Override |
| public Tuple2<MatrixIndexes, MatrixBlock> call( Tuple2<MatrixIndexes, MatrixBlock> arg0 ) |
| throws Exception |
| { |
| MatrixIndexes ixIn = arg0._1(); |
| MatrixBlock blkIn = arg0._2(); |
| //swap the matrix indexes |
| MatrixIndexes ixOut = new MatrixIndexes(ixIn); |
| _indexFnObject.execute(ixIn, ixOut); |
| //swap the matrix block data |
| MatrixBlock blkOut = blkIn.reorgOperations(_reorgOp, new MatrixBlock(), -1, -1, -1); |
| //output new tuple |
| return new Tuple2<>(ixOut,blkOut); |
| } |
| } |
| |