org.apache.flink.runtime.state.filesystem

Class RecoverableStreamWrapper

java.lang.Object

org.apache.flink.runtime.state.filesystem.MetadataOutputStreamWrapper

org.apache.flink.runtime.state.filesystem.RecoverableStreamWrapper

@Internal
public class RecoverableStreamWrapper
extends MetadataOutputStreamWrapper

Implementation of MetadataOutputStreamWrapper encapsulates the RecoverableFsDataOutputStream for FsCheckpointMetadataOutputStream.

Constructor Summary

Constructors

Constructor and Description
RecoverableStreamWrapper(org.apache.flink.core.fs.RecoverableFsDataOutputStream out)

Method Summary

Modifier and Type	Method and Description
void	cleanup() The abstract function of aborting temporary files or doing nothing, which depends on the different output stream implementations.
void	closeAction() The abstract function of once closing output stream operation.
void	closeForCommitAction() The abstract function of once closing output stream and committing operation.
org.apache.flink.core.fs.FSDataOutputStream	getOutput() Returns FSDataOutputStream to write and other operations.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RecoverableStreamWrapper

public RecoverableStreamWrapper(org.apache.flink.core.fs.RecoverableFsDataOutputStream out)

Method Detail

getOutput

public org.apache.flink.core.fs.FSDataOutputStream getOutput()

Description copied from class: MetadataOutputStreamWrapper

Returns FSDataOutputStream to write and other operations.

closeForCommitAction

public void closeForCommitAction()
                          throws IOException

Description copied from class: MetadataOutputStreamWrapper

The abstract function of once closing output stream and committing operation. It will throw IOException when failed and should be invoked by closeForCommit() indirectly instead of this function.

Throws:

IOException

closeAction

public void closeAction()
                 throws IOException

Description copied from class: MetadataOutputStreamWrapper

The abstract function of once closing output stream operation. It will throw IOException when failed and should be invoked by close() indirectly instead of this function.

Throws:

IOException

cleanup

public void cleanup()
             throws IOException

Description copied from class: MetadataOutputStreamWrapper

The abstract function of aborting temporary files or doing nothing, which depends on the different output stream implementations. It will throw IOException when failed.

Throws:

IOException