org.apache.flink.runtime.fs.hdfs

类 HadoopRecoverableWriter

java.lang.Object

org.apache.flink.runtime.fs.hdfs.HadoopRecoverableWriter

所有已实现的接口:

org.apache.flink.core.fs.RecoverableWriter

@Internal
public class HadoopRecoverableWriter
extends Object
implements org.apache.flink.core.fs.RecoverableWriter

An implementation of the RecoverableWriter for Hadoop's file system abstraction.

嵌套类概要

从接口继承的嵌套类/接口 org.apache.flink.core.fs.RecoverableWriter

org.apache.flink.core.fs.RecoverableWriter.CommitRecoverable, org.apache.flink.core.fs.RecoverableWriter.ResumeRecoverable

构造器概要

构造器

构造器和说明
HadoopRecoverableWriter(org.apache.hadoop.fs.FileSystem fs) Creates a new Recoverable writer.

方法概要

限定符和类型	方法和说明
boolean	cleanupRecoverableState(org.apache.flink.core.fs.RecoverableWriter.ResumeRecoverable resumable)
org.apache.flink.core.io.SimpleVersionedSerializer<org.apache.flink.core.fs.RecoverableWriter.CommitRecoverable>	getCommitRecoverableSerializer()
org.apache.flink.core.io.SimpleVersionedSerializer<org.apache.flink.core.fs.RecoverableWriter.ResumeRecoverable>	getResumeRecoverableSerializer()
org.apache.flink.core.fs.RecoverableFsDataOutputStream	open(org.apache.flink.core.fs.Path filePath)
org.apache.flink.core.fs.RecoverableFsDataOutputStream	recover(org.apache.flink.core.fs.RecoverableWriter.ResumeRecoverable recoverable)
org.apache.flink.core.fs.RecoverableFsDataOutputStream.Committer	recoverForCommit(org.apache.flink.core.fs.RecoverableWriter.CommitRecoverable recoverable)
boolean	requiresCleanupOfRecoverableState()
boolean	supportsResume()

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

HadoopRecoverableWriter

public HadoopRecoverableWriter(org.apache.hadoop.fs.FileSystem fs)

Creates a new Recoverable writer.

参数:

fs - The Hadoop file system on which the writer operates.

方法详细资料

open

public org.apache.flink.core.fs.RecoverableFsDataOutputStream open(org.apache.flink.core.fs.Path filePath)
                                                            throws IOException

指定者:

open 在接口中 org.apache.flink.core.fs.RecoverableWriter

抛出:

IOException

recover

public org.apache.flink.core.fs.RecoverableFsDataOutputStream recover(org.apache.flink.core.fs.RecoverableWriter.ResumeRecoverable recoverable)
                                                               throws IOException

指定者:

recover 在接口中 org.apache.flink.core.fs.RecoverableWriter

抛出:

IOException

requiresCleanupOfRecoverableState

public boolean requiresCleanupOfRecoverableState()

指定者:

requiresCleanupOfRecoverableState 在接口中 org.apache.flink.core.fs.RecoverableWriter

cleanupRecoverableState

public boolean cleanupRecoverableState(org.apache.flink.core.fs.RecoverableWriter.ResumeRecoverable resumable)
                                throws IOException

指定者:

cleanupRecoverableState 在接口中 org.apache.flink.core.fs.RecoverableWriter

抛出:

IOException

recoverForCommit

public org.apache.flink.core.fs.RecoverableFsDataOutputStream.Committer recoverForCommit(org.apache.flink.core.fs.RecoverableWriter.CommitRecoverable recoverable)
                                                                                  throws IOException

指定者:

recoverForCommit 在接口中 org.apache.flink.core.fs.RecoverableWriter

抛出:

IOException

getCommitRecoverableSerializer

public org.apache.flink.core.io.SimpleVersionedSerializer<org.apache.flink.core.fs.RecoverableWriter.CommitRecoverable> getCommitRecoverableSerializer()

指定者:

getCommitRecoverableSerializer 在接口中 org.apache.flink.core.fs.RecoverableWriter

getResumeRecoverableSerializer

public org.apache.flink.core.io.SimpleVersionedSerializer<org.apache.flink.core.fs.RecoverableWriter.ResumeRecoverable> getResumeRecoverableSerializer()

指定者:

getResumeRecoverableSerializer 在接口中 org.apache.flink.core.fs.RecoverableWriter

supportsResume

public boolean supportsResume()

指定者:

supportsResume 在接口中 org.apache.flink.core.fs.RecoverableWriter