| /* |
| * 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.lops; |
| |
| import org.apache.sysds.hops.AggBinaryOp.SparkAggType; |
| |
| import org.apache.sysds.lops.LopProperties.ExecType; |
| |
| import org.apache.sysds.common.Types.DataType; |
| import org.apache.sysds.common.Types.ValueType; |
| |
| |
| /** |
| * Lop to perform cross product operation |
| */ |
| public class MMCJ extends Lop |
| { |
| public enum MMCJType { |
| AGG, |
| NO_AGG, |
| } |
| |
| //optional attribute for mr exec type |
| private boolean _outputEmptyBlocks = true; |
| private MMCJType _type = MMCJType.AGG; |
| |
| //optional attribute for spark exec type |
| private SparkAggType _aggtype = SparkAggType.MULTI_BLOCK; |
| |
| /** |
| * Constructor to perform a cross product operation. |
| * |
| * @param input1 low-level operator 1 |
| * @param input2 low-level operator 2 |
| * @param dt data type |
| * @param vt value type |
| * @param type cross production operation type (aggregate or no aggregate) |
| * @param et execution type |
| */ |
| public MMCJ(Lop input1, Lop input2, DataType dt, ValueType vt, MMCJType type, ExecType et) |
| { |
| super(Lop.Type.MMCJ, dt, vt); |
| addInput(input1); |
| addInput(input2); |
| input1.addOutput(this); |
| input2.addOutput(this); |
| |
| _type = type; |
| lps.setProperties(inputs, et); |
| } |
| |
| public MMCJ(Lop input1, Lop input2, DataType dt, ValueType vt, boolean outputEmptyBlocks, SparkAggType aggtype, ExecType et) { |
| this(input1, input2, dt, vt, MMCJType.NO_AGG, et); |
| _outputEmptyBlocks = outputEmptyBlocks; |
| _aggtype = aggtype; |
| } |
| |
| @Override |
| public String toString() { |
| return "Operation = MMCJ"; |
| } |
| |
| //SPARK instruction generation |
| @Override |
| public String getInstructions(String input1, String input2, String output) |
| { |
| StringBuilder sb = new StringBuilder(); |
| sb.append( getExecType() ); |
| |
| sb.append( Lop.OPERAND_DELIMITOR ); |
| sb.append( "cpmm" ); |
| |
| sb.append( OPERAND_DELIMITOR ); |
| sb.append( getInputs().get(0).prepInputOperand(input1) ); |
| |
| sb.append( OPERAND_DELIMITOR ); |
| sb.append( getInputs().get(1).prepInputOperand(input2) ); |
| |
| sb.append( OPERAND_DELIMITOR ); |
| sb.append( prepOutputOperand(output) ); |
| |
| sb.append( OPERAND_DELIMITOR ); |
| if( getExecType() == ExecType.SPARK ) { |
| sb.append(_outputEmptyBlocks); |
| sb.append(Lop.OPERAND_DELIMITOR); |
| sb.append(_aggtype.name()); |
| } |
| else |
| sb.append(_type.name()); |
| |
| return sb.toString(); |
| } |
| } |