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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.NullWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.io.Writable;
import org.apache.hadoop.mapred.OutputFormat;
import org.apache.hadoop.mapred.SequenceFileOutputFormat;
import org.apache.hadoop.mapred.TextOutputFormat;
import org.apache.sysml.parser.DataExpression;
import org.apache.sysml.runtime.DMLRuntimeException;
import org.apache.sysml.runtime.matrix.mapred.CSVWriteReducer.RowBlockForTextOutput;
import org.apache.sysml.runtime.matrix.sort.CompactOutputFormat;
@SuppressWarnings("rawtypes")
public class OutputInfo implements Serializable
{
private static final long serialVersionUID = -3115943514779675817L;
public Class outputFormatClass;
public Class outputKeyClass;
public Class outputValueClass;
public OutputInfo(Class formatCls,
Class keyCls, Class valueCls)
{
outputFormatClass=formatCls;
outputKeyClass=keyCls;
outputValueClass=valueCls;
}
public static final OutputInfo TextCellOutputInfo=new OutputInfo(TextOutputFormat.class,
NullWritable.class, Text.class);
public static final OutputInfo MatrixMarketOutputInfo = new OutputInfo (TextOutputFormat.class,
NullWritable.class, Text.class);
public static final OutputInfo BinaryCellOutputInfo=new OutputInfo(SequenceFileOutputFormat.class,
MatrixIndexes.class, MatrixCell.class);
public static final OutputInfo BinaryBlockOutputInfo=new OutputInfo(
SequenceFileOutputFormat.class, MatrixIndexes.class, MatrixBlock.class);
public static final OutputInfo BinaryBlockFrameOutputInfo=new OutputInfo(
SequenceFileOutputFormat.class, LongWritable.class, FrameBlock.class);
public static final OutputInfo OutputInfoForSortInput=new OutputInfo(SequenceFileOutputFormat.class,
DoubleWritable.class, IntWritable.class);
public static final OutputInfo OutputInfoForSortOutput = new OutputInfo(CompactOutputFormat.class,
DoubleWritable.class, IntWritable.class);
public static final OutputInfo WeightedPairOutputInfo=new OutputInfo(SequenceFileOutputFormat.class,
MatrixIndexes.class, WeightedPair.class);
public static final OutputInfo CSVOutputInfo=new OutputInfo(UnPaddedOutputFormat.class,
NullWritable.class, RowBlockForTextOutput.class);
public static InputInfo getMatchingInputInfo(OutputInfo oi) throws DMLRuntimeException {
if ( oi == OutputInfo.BinaryBlockOutputInfo )
return InputInfo.BinaryBlockInputInfo;
else if ( oi == OutputInfo.MatrixMarketOutputInfo )
return InputInfo.MatrixMarketInputInfo;
else if ( oi == OutputInfo.BinaryCellOutputInfo )
return InputInfo.BinaryCellInputInfo;
else if ( oi == OutputInfo.TextCellOutputInfo )
return InputInfo.TextCellInputInfo;
else if ( oi == OutputInfo.OutputInfoForSortInput)
return InputInfo.InputInfoForSort;
else if ( oi == OutputInfo.OutputInfoForSortOutput)
return InputInfo.InputInfoForSortOutput;
else if ( oi == OutputInfo.WeightedPairOutputInfo)
return InputInfo.WeightedPairInputInfo;
else if ( oi == OutputInfo.CSVOutputInfo)
return InputInfo.CSVInputInfo;
else
throw new DMLRuntimeException("Unrecognized output info: " + oi);
}
public static OutputInfo stringToOutputInfo (String str) {
if ( str.equalsIgnoreCase("textcell")) {
return TextCellOutputInfo;
}
else if ( str.equalsIgnoreCase("matrixmarket")) {
return MatrixMarketOutputInfo;
}
else if ( str.equalsIgnoreCase("binarycell")) {
return BinaryCellOutputInfo;
}
else if (str.equalsIgnoreCase("binaryblock")) {
return BinaryBlockOutputInfo;
}
else if ( str.equalsIgnoreCase("sort_input") )
return OutputInfoForSortInput;
else if ( str.equalsIgnoreCase("sort_output"))
return OutputInfoForSortOutput;
else if ( str.equalsIgnoreCase("weightedpair") )
return WeightedPairOutputInfo;
else if ( str.equalsIgnoreCase("csv") )
return CSVOutputInfo;
return null;
}
public static String outputInfoToString (OutputInfo oi)
throws DMLRuntimeException
{
if ( oi == TextCellOutputInfo )
return "textcell";
else if ( oi == MatrixMarketOutputInfo)
return "matrixmarket";
else if ( oi == BinaryCellOutputInfo )
return "binarycell";
else if ( oi == BinaryBlockOutputInfo )
return "binaryblock";
else if ( oi == OutputInfoForSortInput )
return "sort_input";
else if ( oi == OutputInfoForSortOutput )
return "sort_output";
else if ( oi == WeightedPairOutputInfo )
return "weightedpair";
else if ( oi == CSVOutputInfo )
return "csv";
else
throw new DMLRuntimeException("Unrecognized outputInfo: " + oi);
}
public static String outputInfoToStringExternal(OutputInfo oinfo)
{
if( oinfo == OutputInfo.TextCellOutputInfo )
return DataExpression.FORMAT_TYPE_VALUE_TEXT;
else if( oinfo == OutputInfo.MatrixMarketOutputInfo )
return DataExpression.FORMAT_TYPE_VALUE_MATRIXMARKET;
else if( oinfo == OutputInfo.CSVOutputInfo )
return DataExpression.FORMAT_TYPE_VALUE_CSV;
else if( oinfo == OutputInfo.BinaryBlockOutputInfo
|| oinfo == OutputInfo.BinaryCellOutputInfo )
return DataExpression.FORMAT_TYPE_VALUE_BINARY;
else
return "specialized";
}
@Override
public boolean equals( Object o )
{
if( !(o instanceof OutputInfo) )
return false;
OutputInfo that = (OutputInfo) o;
return ( outputFormatClass == that.outputFormatClass
&& outputKeyClass == that.outputKeyClass
&& outputValueClass == that.outputValueClass );
}
}