Interface OrcDataReader

All Known Implementing Classes:

AbstractDiskOrcDataReader, MemoryOrcDataReader

public interface OrcDataReader

Method Summary

Modifier and Type	Method	Description
int	getMaxBufferSize()	Maximum size of the buffer returned from seekBuffer(int).
OrcDataSourceId	getOrcDataSourceId()
long	getRetainedSize()	Gets the memory size of this instance.
int	getSize()	Total size of the data that can be accessed with seekBuffer(int).
io.airlift.slice.Slice	seekBuffer(int position)	Returns a buffer of the data starting at the specified position.

Method Details

getOrcDataSourceId

OrcDataSourceId getOrcDataSourceId()

getRetainedSize

long getRetainedSize()

Gets the memory size of this instance.

getSize

int getSize()

Total size of the data that can be accessed with seekBuffer(int).

getMaxBufferSize

int getMaxBufferSize()

Maximum size of the buffer returned from seekBuffer(int).

seekBuffer

io.airlift.slice.Slice seekBuffer(int position)
                           throws IOException

Returns a buffer of the data starting at the specified position. This will return a buffer of getMaxBufferSize(), unless near the end of the data.

Throws:

IOException