Package org.apache.pig.impl.io

Class Summary
BufferedPositionedInputStream  
FileLocalizer  
FileLocalizer.DataStorageInputStreamIterator  
FileSpec A simple class that specifies a file name and storage function which is used to read/write it
NullableBag  
NullableBooleanWritable  
NullableBytesWritable  
NullableDoubleWritable  
NullableFloatWritable  
NullableIntWritable  
NullableLongWritable  
NullablePartitionWritable NullablePartitionWritable is an adaptor class around PigNullableWritable that adds a partition index to the class.
NullableText  
NullableTuple  
NullableUnknownWritable This class can be used when data type is 'Unknown' and there is a need for PigNullableWritable object.
PigFile  
PigLineRecordReader This class is for Reading data line by Line in Pig It uses org.apache.hadoop.mapred.LineRecordReader for reading simple Text For BZip it uses a different class which does not do buffering.
PigLineRecordReader.BufferingLineReader A buffering LineReader.
PigLineRecordReader.LineReader This is a simple implementation of LineReader without buffering
PigLineRecordReader.Reader Abstract class that is used to handle reading of values
PigNullableWritable A base class for all types that pig uses to move data between map and reduce.
ValidatingInputFileSpec Creates a Slicer using its funcSpec in its construction and checks that it's valid.
 



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