| /* |
| * 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 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; |
| import org.apache.sysml.runtime.controlprogram.ParForProgramBlock.PDataPartitionFormat; |
| |
| |
| /** |
| * Lop to perform data partitioning. |
| */ |
| public class DataPartition extends Lop |
| { |
| |
| public static final String OPCODE = "partition"; |
| |
| private PDataPartitionFormat _pformat = null; |
| |
| public DataPartition(Lop input, DataType dt, ValueType vt, ExecType et, PDataPartitionFormat pformat) |
| throws LopsException |
| { |
| super(Lop.Type.DataPartition, dt, vt); |
| this.addInput(input); |
| input.addOutput(this); |
| |
| _pformat = pformat; |
| |
| //setup lop properties |
| ExecLocation eloc = (et==ExecType.MR)? ExecLocation.MapAndReduce : ExecLocation.ControlProgram; |
| boolean breaksAlignment = false; |
| boolean aligner = false; |
| boolean definesMRJob = (et==ExecType.MR); |
| lps.addCompatibility(JobType.DATA_PARTITION); |
| lps.setProperties( inputs, et, eloc, breaksAlignment, aligner, definesMRJob ); |
| } |
| |
| @Override |
| public String toString() { |
| |
| return "DataPartition"; |
| } |
| |
| //CP instruction generation |
| @Override |
| public String getInstructions(String input_index, String output_index) |
| throws LopsException |
| { |
| StringBuilder sb = new StringBuilder(); |
| sb.append( getExecType() ); |
| sb.append( Lop.OPERAND_DELIMITOR ); |
| sb.append( OPCODE ); |
| sb.append( OPERAND_DELIMITOR ); |
| sb.append( input_index ); |
| sb.append( DATATYPE_PREFIX ); |
| sb.append( getInputs().get(0).getDataType() ); |
| sb.append( VALUETYPE_PREFIX ); |
| sb.append( getInputs().get(0).getValueType() ); |
| sb.append( OPERAND_DELIMITOR ); |
| sb.append( output_index ); |
| sb.append( DATATYPE_PREFIX ); |
| sb.append( getDataType() ); |
| sb.append( VALUETYPE_PREFIX ); |
| sb.append( getValueType() ); |
| sb.append( OPERAND_DELIMITOR ); |
| sb.append( _pformat.toString() ); |
| |
| return sb.toString(); |
| } |
| |
| //MR instruction generation |
| @Override |
| public String getInstructions(int input_index, int output_index) |
| throws LopsException |
| { |
| StringBuilder sb = new StringBuilder(); |
| sb.append( getExecType() ); |
| sb.append( Lop.OPERAND_DELIMITOR ); |
| sb.append( OPCODE ); |
| sb.append( OPERAND_DELIMITOR ); |
| sb.append( input_index ); |
| sb.append( DATATYPE_PREFIX ); |
| sb.append( getInputs().get(0).getDataType() ); |
| sb.append( VALUETYPE_PREFIX ); |
| sb.append( getInputs().get(0).getValueType() ); |
| sb.append( OPERAND_DELIMITOR ); |
| sb.append( output_index ); |
| sb.append( DATATYPE_PREFIX ); |
| sb.append( getDataType() ); |
| sb.append( VALUETYPE_PREFIX ); |
| sb.append( getValueType() ); |
| sb.append( OPERAND_DELIMITOR ); |
| sb.append( _pformat.toString() ); |
| |
| return sb.toString(); |
| } |
| } |