Package org.apache.flink.changelog.fs

Class AbstractStateChangeFsUploader

java.lang.Object

org.apache.flink.changelog.fs.AbstractStateChangeFsUploader

All Implemented Interfaces:

AutoCloseable, StateChangeUploader

Direct Known Subclasses:

DuplicatingStateChangeFsUploader, StateChangeFsUploader

public abstract class AbstractStateChangeFsUploader
extends Object
implements StateChangeUploader

Base implementation of StateChangeUploader.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.changelog.fs.StateChangeUploader

StateChangeUploader.UploadTasksResult

Field Summary

Fields

Modifier and Type	Field	Description
protected final int	bufferSize
protected final boolean	compression
protected final ChangelogStorageMetricGroup	metrics

Constructor Summary

Constructors

Constructor	Description
AbstractStateChangeFsUploader(boolean compression, int bufferSize, ChangelogStorageMetricGroup metrics, TaskChangelogRegistry changelogRegistry, BiFunction<org.apache.flink.core.fs.Path,Long,org.apache.flink.runtime.state.StreamStateHandle> handleFactory)

Method Summary

Modifier and Type	Method	Description
protected String	generateFileName()
StateChangeUploader.UploadTasksResult	upload(Collection<StateChangeUploadScheduler.UploadTask> tasks)	Execute the upload task and return the results.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.AutoCloseable

close

Field Details

metrics

protected final ChangelogStorageMetricGroup metrics

compression

protected final boolean compression

bufferSize

protected final int bufferSize

Constructor Details

AbstractStateChangeFsUploader

public AbstractStateChangeFsUploader(boolean compression,
 int bufferSize,
 ChangelogStorageMetricGroup metrics,
 TaskChangelogRegistry changelogRegistry,
 BiFunction<org.apache.flink.core.fs.Path,Long,org.apache.flink.runtime.state.StreamStateHandle> handleFactory)

Method Details

upload

public StateChangeUploader.UploadTasksResult upload(Collection<StateChangeUploadScheduler.UploadTask> tasks)
                                             throws IOException

Description copied from interface: StateChangeUploader

Execute the upload task and return the results. It is the caller responsibility to complete the tasks.

Specified by:

upload in interface StateChangeUploader

Throws:

IOException

generateFileName

protected String generateFileName()