com.facebook.hive.orc

Interface Writer

All Known Implementing Classes:

WriterImpl

public interface Writer

The interface for writing ORC files.

Method Summary

Modifier and Type	Method and Description
void	addRow(Object row) Add a row to the ORC file.
void	addUserMetadata(String key, ByteBuffer value) Add arbitrary meta-data to the ORC file.
void	close() Flush all of the buffers and close the file.
long	getRowRawDataSize() Get the raw data size of the last row added

Method Detail

addUserMetadata

void addUserMetadata(String key,
                     ByteBuffer value)

Add arbitrary meta-data to the ORC file. This may be called at any point until the Writer is closed. If the same key is passed a second time, the second value will replace the first.

Parameters:

key - a key to label the data with.

value - the contents of the metadata.

addRow

void addRow(Object row)
     throws IOException

Add a row to the ORC file.

Parameters:

row - the row to add

Throws:

IOException

getRowRawDataSize

long getRowRawDataSize()

Get the raw data size of the last row added

close

void close()
    throws IOException

Flush all of the buffers and close the file. No methods on this writer should be called afterwards.

Throws:

IOException