org.apache.flink.runtime.state

类 NonClosingCheckpointOutputStream<T extends StreamStateHandle>

java.lang.Object

java.io.OutputStream

org.apache.flink.runtime.state.NonClosingCheckpointOutputStream<T>

类型参数:

T - type of the returned state handle.

所有已实现的接口:

Closeable, Flushable, AutoCloseable

直接已知子类:

KeyedStateCheckpointOutputStream, OperatorStateCheckpointOutputStream

public abstract class NonClosingCheckpointOutputStream<T extends StreamStateHandle>
extends OutputStream

Abstract class to implement custom checkpoint output streams which should not be closable for user code.

字段概要

字段

限定符和类型	字段和说明
protected CheckpointStateOutputStream	delegate

构造器概要

构造器

构造器和说明
NonClosingCheckpointOutputStream(CheckpointStateOutputStream delegate)

方法概要

限定符和类型	方法和说明
org.apache.flink.util.ResourceGuard.Lease	acquireLease() Returns a ResourceGuard.Lease that prevents closing this stream.
void	close()
void	flush()
void	write(byte[] b)
void	write(byte[] b, int off, int len)
void	write(int b)

从类继承的方法 java.lang.Object

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

字段详细资料

delegate

protected final CheckpointStateOutputStream delegate

构造器详细资料

NonClosingCheckpointOutputStream

public NonClosingCheckpointOutputStream(CheckpointStateOutputStream delegate)

方法详细资料

flush

public void flush()
           throws IOException

指定者:

flush 在接口中 Flushable

覆盖:

flush 在类中 OutputStream

抛出:

IOException

write

public void write(int b)
           throws IOException

指定者:

write 在类中 OutputStream

抛出:

IOException

write

public void write(byte[] b)
           throws IOException

覆盖:

write 在类中 OutputStream

抛出:

IOException

write

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

覆盖:

write 在类中 OutputStream

抛出:

IOException

close

public void close()
           throws IOException

指定者:

close 在接口中 Closeable

指定者:

close 在接口中 AutoCloseable

覆盖:

close 在类中 OutputStream

抛出:

IOException

acquireLease

public final org.apache.flink.util.ResourceGuard.Lease acquireLease()
                                                             throws IOException

Returns a ResourceGuard.Lease that prevents closing this stream. To allow the system to close this stream, each of the acquired leases need to call ResourceGuard.Lease.close(), on their acquired leases.

抛出:

IOException