org.apache.flink.runtime.state.memory

Class MemCheckpointStreamFactory.MemoryCheckpointOutputStream

java.lang.Object

java.io.OutputStream

org.apache.flink.core.fs.FSDataOutputStream

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

org.apache.flink.runtime.state.memory.MemCheckpointStreamFactory.MemoryCheckpointOutputStream

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable

Enclosing class:

MemCheckpointStreamFactory

public static class MemCheckpointStreamFactory.MemoryCheckpointOutputStream
extends CheckpointStreamFactory.CheckpointStateOutputStream

A CheckpointStateOutputStream that writes into a byte array.

Constructor Summary

Constructors

Constructor and Description
MemCheckpointStreamFactory.MemoryCheckpointOutputStream(int maxSize)

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
byte[]	closeAndGetBytes() Closes the stream and returns the byte array containing the stream's data.
StreamStateHandle	closeAndGetHandle() Closes the stream and gets a state handle that can create an input stream producing the data written to this stream.
void	flush()
long	getPos()
boolean	isClosed()
void	sync()
void	write(byte[] b, int off, int len)
void	write(int b)

Methods inherited from class java.io.OutputStream

write

Methods inherited from class java.lang.Object

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

Constructor Detail

MemCheckpointStreamFactory.MemoryCheckpointOutputStream

public MemCheckpointStreamFactory.MemoryCheckpointOutputStream(int maxSize)

Method Detail

write

public void write(int b)
           throws IOException

Specified by:

write in class OutputStream

Throws:

IOException

write

public void write(byte[] b,
         int off,
         int len)
           throws IOException

Overrides:

write in class OutputStream

Throws:

IOException

flush

public void flush()
           throws IOException

Specified by:

flush in interface Flushable

Specified by:

flush in class FSDataOutputStream

Throws:

IOException

sync

public void sync()
          throws IOException

Specified by:

sync in class FSDataOutputStream

Throws:

IOException

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in class FSDataOutputStream

closeAndGetHandle

public StreamStateHandle closeAndGetHandle()
                                    throws IOException

Description copied from class: CheckpointStreamFactory.CheckpointStateOutputStream

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

Specified by:

closeAndGetHandle in class CheckpointStreamFactory.CheckpointStateOutputStream

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.

getPos

public long getPos()
            throws IOException

Specified by:

getPos in class FSDataOutputStream

Throws:

IOException

isClosed

public boolean isClosed()

closeAndGetBytes

public byte[] closeAndGetBytes()
                        throws IOException

Closes the stream and returns the byte array containing the stream's data.

Returns:

The byte array containing the stream's data.

Throws:

IOException - Thrown if the size of the data exceeds the maximal