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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
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.sysml.runtime.instructions.mr;
import org.apache.sysml.runtime.DMLRuntimeException;
import org.apache.sysml.runtime.controlprogram.context.ExecutionContext;
import org.apache.sysml.runtime.instructions.Instruction;
import org.apache.sysml.runtime.matrix.data.MatrixValue;
import org.apache.sysml.runtime.matrix.mapred.CachedValueMap;
import org.apache.sysml.runtime.matrix.mapred.IndexedMatrixValue;
import org.apache.sysml.runtime.matrix.operators.Operator;
public abstract class MRInstruction extends Instruction
{
public enum MRINSTRUCTION_TYPE { INVALID, Append, Aggregate, ArithmeticBinary, ArithmeticBinary2, AggregateBinary, AggregateUnary,
Rand, Seq, CSVReblock, CSVWrite, Transform,
Reblock, Reorg, Replicate, Unary, CombineBinary, CombineUnary, CombineTernary, PickByCount, Partition,
Ternary, Quaternary, CM_N_COV, Combine /* TODO investigate unused enum constant */, MapGroupedAggregate, GroupedAggregate, RangeReIndex, ZeroOut, MMTSJ, PMMJ, MatrixReshape, ParameterizedBuiltin, Sort, MapMultChain,
CumsumAggregate, CumsumSplit, CumsumOffset, BinUaggChain, UaggOuterChain, RemoveEmpty};
protected MRINSTRUCTION_TYPE mrtype;
protected Operator optr;
public byte output;
public MRInstruction (Operator op, byte out) {
type = INSTRUCTION_TYPE.MAPREDUCE;
optr = op;
output = out;
mrtype = MRINSTRUCTION_TYPE.INVALID;
}
public Operator getOperator() {
return optr;
}
public MRINSTRUCTION_TYPE getMRInstructionType()
{
return mrtype;
}
@Override
public void processInstruction(ExecutionContext ec)
throws DMLRuntimeException
{
//do nothing (not applicable for MR instructions)
}
public abstract void processInstruction(Class valueClass, CachedValueMap cachedValues,
IndexedMatrixValue tempValue, IndexedMatrixValue zeroInput, int blockRowFactor, int blockColFactor)
throws DMLRuntimeException;
public abstract byte[] getInputIndexes()
throws DMLRuntimeException;
public abstract byte[] getAllIndexes()
throws DMLRuntimeException;
}