Package org.apache.hadoop.fs

Interface Abortable

All Known Implementing Classes:

CryptoFSDataOutputStream, FSDataOutputStream

@Public
@Unstable
public interface Abortable

Abort data being written to a stream, so that close() does not write the data. It is implemented by output streams in some object stores, and passed through FSDataOutputStream.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	Abortable.AbortableResult	Interface for the result of aborts; allows subclasses to extend (IOStatistics etc) or for future enhancements if ever needed.

Method Summary

Modifier and Type	Method	Description
Abortable.AbortableResult	abort()	Abort the active operation without the output becoming visible.

Method Detail

abort

Abortable.AbortableResult abort()

Abort the active operation without the output becoming visible. This is to provide ability to cancel the write on stream; once a stream is aborted, the write MUST NOT become visible.

Returns:

the result.

Throws:

java.lang.UnsupportedOperationException - if the operation is not supported.