| /* |
| * 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.HashMap; |
| |
| 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.Statement; |
| import org.apache.sysml.parser.Expression.*; |
| |
| |
| /** |
| * Lop to perform mr map-side grouped aggregates |
| * (restriction: sum, w/o weights, ngroups), groups broadcasted |
| * |
| */ |
| public class GroupedAggregateM extends Lop |
| { |
| public static final String OPCODE = "mapgroupedagg"; |
| |
| public enum CacheType { |
| RIGHT, |
| RIGHT_PART, |
| } |
| |
| private HashMap<String, Lop> _inputParams; |
| private CacheType _cacheType = null; |
| |
| public GroupedAggregateM(HashMap<String, Lop> inputParameterLops, |
| DataType dt, ValueType vt, boolean partitioned, ExecType et) { |
| super(Lop.Type.GroupedAggM, dt, vt); |
| init(inputParameterLops, dt, vt, et); |
| _inputParams = inputParameterLops; |
| _cacheType = partitioned ? CacheType.RIGHT_PART : CacheType.RIGHT; |
| } |
| |
| /** |
| * |
| * @param inputParameterLops |
| * @param dt |
| * @param vt |
| * @param et |
| */ |
| private void init(HashMap<String, Lop> inputParameterLops, |
| DataType dt, ValueType vt, ExecType et) |
| { |
| addInput(inputParameterLops.get(Statement.GAGG_TARGET)); |
| inputParameterLops.get(Statement.GAGG_TARGET).addOutput(this); |
| addInput(inputParameterLops.get(Statement.GAGG_GROUPS)); |
| inputParameterLops.get(Statement.GAGG_GROUPS).addOutput(this); |
| |
| if( et == ExecType.MR ) |
| { |
| //setup MR parameters |
| boolean breaksAlignment = true; |
| boolean aligner = false; |
| boolean definesMRJob = false; |
| lps.addCompatibility(JobType.GMR); |
| lps.addCompatibility(JobType.DATAGEN); |
| lps.setProperties( inputs, ExecType.MR, ExecLocation.Map, breaksAlignment, aligner, definesMRJob ); |
| } |
| else //SPARK |
| { |
| //setup Spark parameters |
| boolean breaksAlignment = false; |
| boolean aligner = false; |
| boolean definesMRJob = false; |
| lps.addCompatibility(JobType.INVALID); |
| lps.setProperties( inputs, et, ExecLocation.ControlProgram, breaksAlignment, aligner, definesMRJob ); |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return "Operation = MapGroupedAggregate"; |
| } |
| |
| @Override |
| public String getInstructions(int input1, int input2, int output) |
| { |
| return getInstructions( |
| String.valueOf(input1), |
| String.valueOf(input2), |
| String.valueOf(output) ); |
| } |
| |
| @Override |
| public String getInstructions(String input1, String input2, String output) |
| { |
| StringBuilder sb = new StringBuilder(); |
| |
| sb.append( getExecType() ); |
| |
| sb.append( Lop.OPERAND_DELIMITOR ); |
| sb.append( OPCODE ); |
| |
| 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 ); |
| sb.append( _inputParams.get(Statement.GAGG_NUM_GROUPS) |
| .prepScalarInputOperand(getExecType()) ); |
| |
| sb.append( OPERAND_DELIMITOR ); |
| sb.append( _cacheType.toString() ); |
| |
| return sb.toString(); |
| } |
| |
| @Override |
| public boolean usesDistributedCache() |
| { |
| if( getExecType()==ExecType.MR ) |
| return true; |
| else |
| return false; |
| } |
| |
| @Override |
| public int[] distributedCacheInputIndex() |
| { |
| if( getExecType()==ExecType.MR ) |
| return new int[]{2}; |
| else |
| return new int[]{-1}; |
| } |
| } |