com.vertica.sdk.DFSFileWriter Class Reference

Collaboration diagram for com.vertica.sdk.DFSFileWriter:

Public Member Functions
	DFSFileWriter (DFSFile dfsFile)
void	close () throws UdfException, DestroyInvocation
boolean	isOpen ()
void	open () throws UdfException, DestroyInvocation
int	write (ByteBuffer buffer) throws UdfException, DestroyInvocation

Member Function Documentation

close()

void com.vertica.sdk.DFSFileWriter.close

(

)

throws UdfException, DestroyInvocation

Closes the file opened for writing.

Exceptions

UdfException	UDF problem
DestroyInvocation	vertica canceling – do not catch or handle

open()

void com.vertica.sdk.DFSFileWriter.open

(

)

throws UdfException, DestroyInvocation

Opens a file for writing.

Exceptions

UdfException	UDF problem
DestroyInvocation	vertica canceling – do not catch or handle

write()

int com.vertica.sdk.DFSFileWriter.write

(

ByteBuffer

buffer

)

throws UdfException, DestroyInvocation

Writes bytes into the file from the ByteBuffer

Bytes are retrieved from the buffer starting from the current position till it's limit. Current position will be advanced depending on how many bytes are written.

Parameters

buffer

the ByteBuffer to write

Returns

number of bytes written, could be 0.

Exceptions

UdfException	UDF problem
DestroyInvocation	vertica canceling – do not catch or handle