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Declarative Machine Learning
/*
* 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.*;
public class AppendR extends Lop
{
public static final String OPCODE = "rappend";
private boolean _cbind = true;
public AppendR(Lop input1, Lop input2, DataType dt, ValueType vt, boolean cbind, ExecType et)
{
super(Lop.Type.Append, dt, vt);
init(input1, input2, dt, vt, et);
_cbind = cbind;
}
public void init(Lop input1, Lop input2, DataType dt, ValueType vt, ExecType et)
{
addInput(input1);
input1.addOutput(this);
addInput(input2);
input2.addOutput(this);
boolean breaksAlignment = false;
boolean aligner = false;
boolean definesMRJob = false;
if( et == ExecType.MR )
{
lps.addCompatibility(JobType.GMR);
lps.addCompatibility(JobType.DATAGEN); //currently required for correctness
lps.setProperties( inputs, ExecType.MR, ExecLocation.Reduce, breaksAlignment, aligner, definesMRJob );
}
else //SP
{
lps.addCompatibility(JobType.INVALID);
lps.setProperties( inputs, ExecType.SPARK, ExecLocation.ControlProgram, breaksAlignment, aligner, definesMRJob );
}
}
@Override
public String toString() {
return " AppendR: ";
}
//called when append executes in MR
public String getInstructions(int input_index1, int input_index2, int output_index)
throws LopsException
{
return getInstructions(
String.valueOf(input_index1),
String.valueOf(input_index2),
String.valueOf(output_index) );
}
//called when append executes in CP
public String getInstructions(String input1, String input2, String output)
throws LopsException
{
StringBuilder sb = new StringBuilder();
sb.append( getExecType() );
sb.append( 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( _cbind );
return sb.toString();
}
}