org.apache.flink.contrib.streaming.state

类 RocksDBStateDownloader

java.lang.Object

org.apache.flink.contrib.streaming.state.RocksDBStateDownloader

所有已实现的接口:

Closeable, AutoCloseable

public class RocksDBStateDownloader
extends Object

Help class for downloading RocksDB state files.

字段概要

字段

限定符和类型	字段和说明
protected ExecutorService	executorService

构造器概要

构造器

构造器和说明
RocksDBStateDownloader(int restoringThreadNum)

方法概要

限定符和类型	方法和说明
void	close()
void	transferAllStateDataToDirectory(org.apache.flink.runtime.state.IncrementalRemoteKeyedStateHandle restoreStateHandle, org.apache.flink.core.fs.Path dest, org.apache.flink.core.fs.CloseableRegistry closeableRegistry) Transfer all state data to the target directory using specified number of threads.

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

executorService

protected final ExecutorService executorService

构造器详细资料

RocksDBStateDownloader

public RocksDBStateDownloader(int restoringThreadNum)

方法详细资料

transferAllStateDataToDirectory

public void transferAllStateDataToDirectory(org.apache.flink.runtime.state.IncrementalRemoteKeyedStateHandle restoreStateHandle,
                                            org.apache.flink.core.fs.Path dest,
                                            org.apache.flink.core.fs.CloseableRegistry closeableRegistry)
                                     throws Exception

Transfer all state data to the target directory using specified number of threads.

参数:

restoreStateHandle - Handles used to retrieve the state data.

dest - The target directory which the state data will be stored.

抛出:

Exception - Thrown if can not transfer all the state data.

close

public void close()

指定者:

close 在接口中 Closeable

指定者:

close 在接口中 AutoCloseable