| /* |
| * 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.sysml.lops; |
| |
| import java.util.HashSet; |
| |
| import org.apache.sysml.lops.LopProperties.ExecLocation; |
| import org.apache.sysml.lops.LopProperties.ExecType; |
| import org.apache.sysml.lops.compile.JobType; |
| import org.apache.sysml.parser.Expression.DataType; |
| import org.apache.sysml.parser.Expression.ValueType; |
| |
| |
| /** |
| * Lop to represent an combine operation -- used ONLY in the context of sort. |
| */ |
| |
| public class CombineBinary extends Lop |
| { |
| |
| |
| public enum OperationTypes {PreSort, PreCentralMoment, PreCovUnweighted, PreGroupedAggUnweighted}; // (PreCovWeighted,PreGroupedAggWeighted) will be CombineTertiary |
| OperationTypes operation; |
| |
| /** |
| * @param input - input lop |
| * @param op - operation type |
| */ |
| |
| public CombineBinary(OperationTypes op, Lop input1, Lop input2, DataType dt, ValueType vt) |
| { |
| super(Lop.Type.CombineBinary, dt, vt); |
| operation = op; |
| this.addInput(input1); |
| this.addInput(input2); |
| input1.addOutput(this); |
| input2.addOutput(this); |
| |
| /* |
| * This lop can ONLY be executed as a STANDALONE job |
| */ |
| boolean breaksAlignment = false; |
| boolean aligner = false; |
| boolean definesMRJob = true; |
| lps.addCompatibility(JobType.COMBINE); |
| this.lps.setProperties( inputs, ExecType.MR, ExecLocation.MapAndReduce, breaksAlignment, aligner, definesMRJob ); |
| this.lps.setProducesIntermediateOutput(true); |
| } |
| |
| public String toString() |
| { |
| return "combinebinary"; |
| } |
| |
| @Override |
| public String getInstructions(int input_index1, int input_index2, int output_index) |
| throws LopsException |
| { |
| // Determine whether or not the second input denotes weights vector. |
| // CombineBinary can be used to combine (data,weights) vectors or (data1,data2) vectors |
| boolean isSecondInputIsWeight = true; |
| if ( operation == OperationTypes.PreCovUnweighted || operation == OperationTypes.PreGroupedAggUnweighted ) { |
| isSecondInputIsWeight = false; |
| } |
| |
| StringBuilder sb = new StringBuilder(); |
| sb.append( getExecType() ); |
| sb.append( Lop.OPERAND_DELIMITOR ); |
| sb.append( "combinebinary" ); |
| sb.append( OPERAND_DELIMITOR ); |
| |
| sb.append( prepOperand(String.valueOf(isSecondInputIsWeight), DataType.SCALAR, ValueType.BOOLEAN) ); |
| sb.append( OPERAND_DELIMITOR ); |
| |
| sb.append( getInputs().get(0).prepInputOperand(input_index1)); |
| sb.append( OPERAND_DELIMITOR ); |
| |
| sb.append( getInputs().get(1).prepInputOperand(input_index2)); |
| sb.append( OPERAND_DELIMITOR ); |
| |
| sb.append( this.prepOutputOperand(output_index)); |
| |
| return sb.toString(); |
| } |
| |
| public OperationTypes getOperation() { |
| return operation; |
| } |
| |
| public static CombineBinary constructCombineLop(OperationTypes op, Lop input1, |
| Lop input2, DataType dt, ValueType vt) { |
| |
| HashSet<Lop> set1 = new HashSet<Lop>(); |
| set1.addAll(input1.getOutputs()); |
| |
| // find intersection of input1.getOutputs() and input2.getOutputs(); |
| set1.retainAll(input2.getOutputs()); |
| |
| for (Lop lop : set1) { |
| if ( lop.type == Lop.Type.CombineBinary ) { |
| CombineBinary combine = (CombineBinary)lop; |
| if ( combine.operation == op) |
| return (CombineBinary)lop; |
| } |
| } |
| |
| CombineBinary comn = new CombineBinary(op, input1, input2, dt, vt); |
| comn.setAllPositions(input1.getBeginLine(), input1.getBeginColumn(), input1.getEndLine(), input1.getEndColumn()); |
| return comn; |
| } |
| |
| } |