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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.matrix.data;
import java.io.Serializable;
import org.apache.hadoop.io.DoubleWritable;
import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.io.Writable;
import org.apache.hadoop.mapred.InputFormat;
import org.apache.hadoop.mapred.SequenceFileInputFormat;
import org.apache.hadoop.mapred.TextInputFormat;
import org.apache.sysml.parser.DataExpression;
import org.apache.sysml.runtime.DMLRuntimeException;
import org.apache.sysml.runtime.matrix.MetaData;
import org.apache.sysml.runtime.matrix.sort.PickFromCompactInputFormat;
@SuppressWarnings("rawtypes")
public class InputInfo implements Serializable
{
private static final long serialVersionUID = 7059677437144672023L;
public Class inputFormatClass;
public Class inputKeyClass;
public Class inputValueClass;
public MetaData metadata=null;
public InputInfo(Class formatCls,
Class keyCls, Class valueCls)
{
inputFormatClass=formatCls;
inputKeyClass=keyCls;
inputValueClass=valueCls;
}
public InputInfo(Class formatCls,
Class keyCls, Class valueCls, MetaData md)
{
inputFormatClass=formatCls;
inputKeyClass=keyCls;
inputValueClass=valueCls;
metadata=md;
}
public void setMetaData(MetaData md)
{
metadata=md;
}
public static final InputInfo TextCellInputInfo=new InputInfo(TextInputFormat.class,
LongWritable.class, Text.class);
public static final InputInfo MatrixMarketInputInfo = new InputInfo (TextInputFormat.class,
LongWritable.class, Text.class);
public static final InputInfo BinaryCellInputInfo=new InputInfo(SequenceFileInputFormat.class,
MatrixIndexes.class, MatrixCell.class);
public static final InputInfo BinaryBlockInputInfo=new InputInfo(
SequenceFileInputFormat.class, MatrixIndexes.class, MatrixBlock.class);
public static final InputInfo BinaryBlockFrameInputInfo=new InputInfo(
SequenceFileInputFormat.class, LongWritable.class, FrameBlock.class);
// Format that denotes the input of a SORT job
public static final InputInfo InputInfoForSort=new InputInfo(SequenceFileInputFormat.class,
DoubleWritable.class, IntWritable.class);
// Format that denotes the output of a SORT job
public static final InputInfo InputInfoForSortOutput = new InputInfo(PickFromCompactInputFormat.class,
DoubleWritable.class, IntWritable.class);
public static final InputInfo WeightedPairInputInfo=new InputInfo(SequenceFileInputFormat.class,
MatrixIndexes.class, WeightedPair.class);
public static final InputInfo CSVInputInfo=new InputInfo(TextInputFormat.class,
LongWritable.class, Text.class);
public static OutputInfo getMatchingOutputInfo(InputInfo ii) throws DMLRuntimeException {
if ( ii == InputInfo.BinaryBlockInputInfo )
return OutputInfo.BinaryBlockOutputInfo;
else if ( ii == InputInfo.MatrixMarketInputInfo)
return OutputInfo.MatrixMarketOutputInfo;
else if ( ii == InputInfo.BinaryCellInputInfo )
return OutputInfo.BinaryCellOutputInfo;
else if ( ii == InputInfo.TextCellInputInfo )
return OutputInfo.TextCellOutputInfo;
else if ( ii == InputInfo.InputInfoForSort)
return OutputInfo.OutputInfoForSortInput;
else if ( ii == InputInfo.InputInfoForSortOutput)
return OutputInfo.OutputInfoForSortOutput;
else if ( ii == InputInfo.WeightedPairInputInfo)
return OutputInfo.WeightedPairOutputInfo;
else if ( ii == InputInfo.CSVInputInfo)
return OutputInfo.CSVOutputInfo;
else
throw new DMLRuntimeException("Unrecognized output info: " + ii);
}
public static InputInfo stringToInputInfo(String str) {
if ( str.equalsIgnoreCase("textcell")) {
return TextCellInputInfo;
}
if ( str.equalsIgnoreCase("matrixmarket")) {
return MatrixMarketInputInfo;
}
else if ( str.equalsIgnoreCase("binarycell")) {
return BinaryCellInputInfo;
}
else if (str.equalsIgnoreCase("binaryblock")) {
return BinaryBlockInputInfo;
}
else if ( str.equalsIgnoreCase("sort_input"))
return InputInfoForSort;
else if ( str.equalsIgnoreCase("sort_output"))
return InputInfoForSortOutput;
else if ( str.equalsIgnoreCase("weightedpair"))
return WeightedPairInputInfo;
else if ( str.equalsIgnoreCase("csv"))
return CSVInputInfo;
return null;
}
/**
*
* @param str
* @return
*/
public static InputInfo stringExternalToInputInfo(String str) {
if( DataExpression.FORMAT_TYPE_VALUE_TEXT.equals(str) )
return InputInfo.TextCellInputInfo;
else if( DataExpression.FORMAT_TYPE_VALUE_MATRIXMARKET.equals(str) )
return InputInfo.MatrixMarketInputInfo;
else if( DataExpression.FORMAT_TYPE_VALUE_CSV.equals(str) )
return InputInfo.CSVInputInfo;
else if( DataExpression.FORMAT_TYPE_VALUE_BINARY.equals(str) )
return InputInfo.BinaryBlockInputInfo;
return null;
}
public static String inputInfoToString (InputInfo ii)
throws DMLRuntimeException
{
if ( ii == TextCellInputInfo )
return "textcell";
else if ( ii == BinaryCellInputInfo )
return "binarycell";
else if ( ii == BinaryBlockInputInfo )
return "binaryblock";
else if ( ii == InputInfoForSort )
return "sort_input";
else if ( ii == InputInfoForSortOutput)
return "sort_output";
else if ( ii == WeightedPairInputInfo )
return "weightedpair";
else if ( ii == MatrixMarketInputInfo )
return "matrixmarket";
else if ( ii == CSVInputInfo )
return "csv";
else
throw new DMLRuntimeException("Unrecognized inputInfo: " + ii);
}
}