org.apache.flink.runtime.state

Class CheckpointStreamFactory.CheckpointStateOutputStream

java.lang.Object

java.io.OutputStream

org.apache.flink.core.fs.FSDataOutputStream

org.apache.flink.runtime.state.CheckpointStreamFactory.CheckpointStateOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

Direct Known Subclasses:

FsCheckpointStreamFactory.FsCheckpointStateOutputStream, MemCheckpointStreamFactory.MemoryCheckpointOutputStream

Enclosing interface:

CheckpointStreamFactory

public abstract static class CheckpointStreamFactory.CheckpointStateOutputStream
extends FSDataOutputStream

A dedicated output stream that produces a StreamStateHandle when closed.

Note: This is an abstract class and not an interface because OutputStream is an abstract class.

Constructor Summary

Constructors

Constructor and Description
CheckpointStateOutputStream()

Method Summary

Modifier and Type	Method and Description
abstract StreamStateHandle	closeAndGetHandle() Closes the stream and gets a state handle that can create an input stream producing the data written to this stream.

Methods inherited from class org.apache.flink.core.fs.FSDataOutputStream

close, flush, getPos, sync

Methods inherited from class java.io.OutputStream

write, write, write

Methods inherited from class java.lang.Object

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

Constructor Detail

CheckpointStateOutputStream

public CheckpointStateOutputStream()

Method Detail

closeAndGetHandle

public abstract StreamStateHandle closeAndGetHandle()
                                             throws IOException

Closes the stream and gets a state handle that can create an input stream producing the data written to this stream.

Returns:

A state handle that can create an input stream producing the data written to this stream.

Throws:

IOException - Thrown, if the stream cannot be closed.