org.apache.flink.changelog.fs

类 FsStateChangelogStorage

java.lang.Object

org.apache.flink.changelog.fs.FsStateChangelogStorage

所有已实现的接口:

AutoCloseable, org.apache.flink.runtime.state.changelog.StateChangelogStorage<org.apache.flink.runtime.state.changelog.ChangelogStateHandleStreamImpl>

@Experimental
 @ThreadSafe
public class FsStateChangelogStorage
extends Object
implements org.apache.flink.runtime.state.changelog.StateChangelogStorage<org.apache.flink.runtime.state.changelog.ChangelogStateHandleStreamImpl>

Filesystem-based implementation of StateChangelogStorage.

构造器概要

构造器

构造器和说明
FsStateChangelogStorage(org.apache.flink.configuration.Configuration config)
FsStateChangelogStorage(org.apache.flink.core.fs.Path basePath, boolean compression, int bufferSize)

方法概要

限定符和类型	方法和说明
void	close()
org.apache.flink.runtime.state.changelog.StateChangelogHandleReader<org.apache.flink.runtime.state.changelog.ChangelogStateHandleStreamImpl>	createReader()
org.apache.flink.changelog.fs.FsStateChangelogWriter	createWriter(String operatorID, org.apache.flink.runtime.state.KeyGroupRange keyGroupRange)

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

FsStateChangelogStorage

public FsStateChangelogStorage(org.apache.flink.configuration.Configuration config)
                        throws IOException

抛出:

IOException

FsStateChangelogStorage

@VisibleForTesting
public FsStateChangelogStorage(org.apache.flink.core.fs.Path basePath,
                                                  boolean compression,
                                                  int bufferSize)
                                           throws IOException

抛出:

IOException

方法详细资料

createWriter

public org.apache.flink.changelog.fs.FsStateChangelogWriter createWriter(String operatorID,
                                                                         org.apache.flink.runtime.state.KeyGroupRange keyGroupRange)

指定者:

createWriter 在接口中 org.apache.flink.runtime.state.changelog.StateChangelogStorage<org.apache.flink.runtime.state.changelog.ChangelogStateHandleStreamImpl>

createReader

public org.apache.flink.runtime.state.changelog.StateChangelogHandleReader<org.apache.flink.runtime.state.changelog.ChangelogStateHandleStreamImpl> createReader()

指定者:

createReader 在接口中 org.apache.flink.runtime.state.changelog.StateChangelogStorage<org.apache.flink.runtime.state.changelog.ChangelogStateHandleStreamImpl>

close

public void close()
           throws Exception

指定者:

close 在接口中 AutoCloseable

指定者:

close 在接口中 org.apache.flink.runtime.state.changelog.StateChangelogStorage<org.apache.flink.runtime.state.changelog.ChangelogStateHandleStreamImpl>

抛出:

Exception