org.apache.flink.runtime.state

类 OperatorStateCheckpointOutputStream

java.lang.Object

java.io.OutputStream

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

org.apache.flink.runtime.state.OperatorStateCheckpointOutputStream

所有已实现的接口:

Closeable, Flushable, AutoCloseable

@PublicEvolving
public final class OperatorStateCheckpointOutputStream
extends NonClosingCheckpointOutputStream<OperatorStateHandle>

Checkpoint output stream that allows to write raw operator state in a partitioned way.

字段概要

从类继承的字段 org.apache.flink.runtime.state.NonClosingCheckpointOutputStream

delegate

构造器概要

构造器

构造器和说明
OperatorStateCheckpointOutputStream(CheckpointStateOutputStream delegate)

方法概要

限定符和类型	方法和说明
int	getNumberOfPartitions()
void	startNewPartition() User code can call this method to signal that it begins to write a new partition of operator state.

从类继承的方法 org.apache.flink.runtime.state.NonClosingCheckpointOutputStream

acquireLease, close, flush, write, write, write

从类继承的方法 java.lang.Object

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

构造器详细资料

OperatorStateCheckpointOutputStream

public OperatorStateCheckpointOutputStream(CheckpointStateOutputStream delegate)
                                    throws IOException

抛出:

IOException

方法详细资料

startNewPartition

public void startNewPartition()
                       throws IOException

User code can call this method to signal that it begins to write a new partition of operator state. Each previously written partition is considered final/immutable as soon as this method is called again.

抛出:

IOException

getNumberOfPartitions

public int getNumberOfPartitions()