| /* |
| * 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 java.util.HashMap; |
| |
| |
| import org.apache.sysds.lops.LopProperties.ExecType; |
| |
| import org.apache.sysds.parser.Statement; |
| import org.apache.sysds.runtime.instructions.InstructionUtils; |
| import org.apache.sysds.common.Types.DataType; |
| import org.apache.sysds.common.Types.ValueType; |
| |
| |
| /** |
| * 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; |
| } |
| |
| 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); |
| |
| lps.setProperties(inputs, et); |
| } |
| |
| @Override |
| public String toString() { |
| return "Operation = MapGroupedAggregate"; |
| } |
| |
| @Override |
| public String getInstructions(String input1, String input2, String output) { |
| return InstructionUtils.concatOperands( |
| getExecType().name(), |
| OPCODE, |
| getInputs().get(0).prepInputOperand(input1), |
| getInputs().get(1).prepInputOperand(input2), |
| prepOutputOperand(output), |
| _inputParams.get(Statement.GAGG_NUM_GROUPS).prepScalarInputOperand(getExecType()), |
| _cacheType.name()); |
| } |
| } |