com.facebook.presto.orc.reader

Interface StreamReader

All Known Implementing Classes:

BooleanStreamReader, ByteStreamReader, DecimalStreamReader, DoubleStreamReader, FloatStreamReader, ListStreamReader, LongDictionaryStreamReader, LongDirectStreamReader, LongStreamReader, MapStreamReader, SliceDictionaryStreamReader, SliceDirectStreamReader, SliceStreamReader, StructStreamReader, TimestampStreamReader

public interface StreamReader

Method Summary

Modifier and Type	Method and Description
void	prepareNextRead(int batchSize)
Block	readBlock(Type type)
void	startRowGroup(StreamSources dataStreamSources)
void	startStripe(StreamSources dictionaryStreamSources, List<ColumnEncoding> encoding)

Method Detail

readBlock

Block readBlock(Type type)
         throws IOException

Throws:

IOException

prepareNextRead

void prepareNextRead(int batchSize)

startStripe

void startStripe(StreamSources dictionaryStreamSources,
                 List<ColumnEncoding> encoding)
          throws IOException

Throws:

IOException

startRowGroup

void startRowGroup(StreamSources dataStreamSources)
            throws IOException

Throws:

IOException