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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.runtime.instructions.mr;
import org.apache.sysml.runtime.DMLRuntimeException;
import org.apache.sysml.runtime.DMLUnsupportedOperationException;
import org.apache.sysml.runtime.instructions.InstructionUtils;
import org.apache.sysml.runtime.matrix.data.MatrixBlock;
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 class AppendRInstruction extends AppendInstruction
{
public AppendRInstruction(Operator op, byte in1, byte in2, byte out, boolean cbind, String istr)
{
super(op, in1, in2, out, cbind, istr);
}
public static AppendRInstruction parseInstruction ( String str )
throws DMLRuntimeException
{
String[] parts = InstructionUtils.getInstructionParts ( str );
InstructionUtils.checkNumFields(parts, 4);
byte in1 = Byte.parseByte(parts[1]);
byte in2 = Byte.parseByte(parts[2]);
byte out = Byte.parseByte(parts[3]);
boolean cbind = Boolean.parseBoolean(parts[4]);
return new AppendRInstruction(null, in1, in2, out, cbind, str);
}
@Override
public void processInstruction(Class valueClass,
CachedValueMap cachedValues, IndexedMatrixValue tempValue, IndexedMatrixValue zeroInput, int brlen, int bclen)
throws DMLUnsupportedOperationException, DMLRuntimeException
{
//get both inputs
IndexedMatrixValue left = cachedValues.getFirst(input1);
IndexedMatrixValue right = cachedValues.getFirst(input2);
//check non-existing block
if( left == null || right == null )
throw new DMLRuntimeException("Missing append input: isNull(left): " + (left==null) + ", isNull(right): " + (right==null));
//core append operation
MatrixBlock mbLeft = (MatrixBlock)left.getValue();
MatrixBlock mbRight = (MatrixBlock)right.getValue();
MatrixBlock ret = mbLeft.appendOperations(mbRight, new MatrixBlock(), _cbind);
//put result into cache
cachedValues.add(output, new IndexedMatrixValue(left.getIndexes(), ret));
}
}