| /* |
| * 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; |
| |
| import org.apache.spark.api.java.JavaPairRDD; |
| import org.apache.spark.api.java.function.Function; |
| import org.apache.sysds.common.Types.DataType; |
| import org.apache.sysds.common.Types.ValueType; |
| import org.apache.sysds.runtime.controlprogram.context.ExecutionContext; |
| import org.apache.sysds.runtime.controlprogram.context.SparkExecutionContext; |
| import org.apache.sysds.runtime.instructions.InstructionUtils; |
| import org.apache.sysds.runtime.instructions.cp.CPOperand; |
| import org.apache.sysds.runtime.matrix.data.MatrixBlock; |
| import org.apache.sysds.runtime.matrix.data.MatrixIndexes; |
| import org.apache.sysds.runtime.matrix.operators.Operator; |
| import org.apache.sysds.runtime.matrix.operators.UnaryOperator; |
| |
| public class UnaryMatrixSPInstruction extends UnarySPInstruction { |
| |
| protected UnaryMatrixSPInstruction(Operator op, CPOperand in, CPOperand out, String opcode, String instr) { |
| super(SPType.Unary, op, in, out, opcode, instr); |
| } |
| |
| public static UnarySPInstruction parseInstruction ( String str ) { |
| CPOperand in = new CPOperand("", ValueType.UNKNOWN, DataType.UNKNOWN); |
| CPOperand out = new CPOperand("", ValueType.UNKNOWN, DataType.UNKNOWN); |
| String opcode = parseUnaryInstruction(str, in, out); |
| return new UnaryMatrixSPInstruction( |
| InstructionUtils.parseUnaryOperator(opcode), in, out, opcode, str); |
| } |
| |
| @Override |
| public void processInstruction(ExecutionContext ec) { |
| SparkExecutionContext sec = (SparkExecutionContext)ec; |
| |
| //get input |
| JavaPairRDD<MatrixIndexes,MatrixBlock> in = sec.getBinaryMatrixBlockRDDHandleForVariable( input1.getName() ); |
| |
| //execute unary builtin operation |
| UnaryOperator uop = (UnaryOperator) _optr; |
| JavaPairRDD<MatrixIndexes,MatrixBlock> out = in.mapValues(new RDDMatrixBuiltinUnaryOp(uop)); |
| |
| //set output RDD |
| updateUnaryOutputDataCharacteristics(sec); |
| sec.setRDDHandleForVariable(output.getName(), out); |
| sec.addLineageRDD(output.getName(), input1.getName()); |
| } |
| |
| private static class RDDMatrixBuiltinUnaryOp implements Function<MatrixBlock,MatrixBlock> |
| { |
| private static final long serialVersionUID = -3128192099832877491L; |
| |
| private UnaryOperator _op = null; |
| |
| public RDDMatrixBuiltinUnaryOp(UnaryOperator u_op) { |
| _op = u_op; |
| } |
| |
| @Override |
| public MatrixBlock call(MatrixBlock arg0) throws Exception { |
| return arg0.unaryOperations(_op, new MatrixBlock()); |
| } |
| } |
| } |
| |