org.apache.sysml.runtime.matrix.data.AddDummyWeightConverter Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of systemml Show documentation
Show all versions of systemml Show documentation
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.matrix.data;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.io.Writable;
@SuppressWarnings("rawtypes")
public class AddDummyWeightConverter implements Converter
{
private Converter toCellConverter=null;
private WeightedPair outValue=new WeightedPair();
private Pair pair=new Pair();
private int rlen;
private int clen;
public AddDummyWeightConverter()
{
outValue.setWeight(1.0);
outValue.setOtherValue(0);
pair.setValue(outValue);
}
@Override
@SuppressWarnings("unchecked")
public void convert(Writable k1, Writable v1) {
if(toCellConverter==null)
{
if(v1 instanceof Text)
toCellConverter=new TextToBinaryCellConverter();
else if(v1 instanceof MatrixBlock)
toCellConverter=new BinaryBlockToBinaryCellConverter();
else
toCellConverter=new IdenticalConverter();
toCellConverter.setBlockSize(rlen, clen);
}
toCellConverter.convert(k1, v1);
}
@Override
public boolean hasNext() {
return toCellConverter.hasNext();
}
@Override
@SuppressWarnings("unchecked")
public Pair next() {
Pair temp=toCellConverter.next();
pair.setKey(temp.getKey());
outValue.setValue(temp.getValue().getValue());
return pair;
}
@Override
public void setBlockSize(int rl, int cl) {
if(toCellConverter==null)
{
rlen=rl;
clen=cl;
}else
toCellConverter.setBlockSize(rl, cl);
}
}