Package org.apache.hadoop.hbase.regionserver

Class MultiVersionConcurrencyControl.WriteEntry

java.lang.Object

org.apache.hadoop.hbase.regionserver.MultiVersionConcurrencyControl.WriteEntry

Enclosing class:

MultiVersionConcurrencyControl

@Private
public static final class MultiVersionConcurrencyControl.WriteEntry
extends Object

Write number and whether write has completed given out at start of a write transaction. Every created WriteEntry must be completed by calling mvcc#complete or #completeAndWait.

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	completed
private Optional<Runnable>	completionAction	Will be called after completion, i.e, when being removed from the MultiVersionConcurrencyControl.writeQueue.
private final long	writeNumber

Constructor Summary

Constructors

Modifier	Constructor	Description
private	WriteEntry(long writeNumber)

Method Summary

Modifier and Type	Method	Description
void	attachCompletionAction(Runnable action)
Optional<Runnable>	getCompletionAction()
long	getWriteNumber()
private boolean	isCompleted()
private void	markCompleted()
private void	runCompletionAction()
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

writeNumber

private final long writeNumber

completed

private boolean completed

completionAction

private Optional<Runnable> completionAction

Will be called after completion, i.e, when being removed from the MultiVersionConcurrencyControl.writeQueue.

Constructor Details

WriteEntry

private WriteEntry(long writeNumber)

Method Details

markCompleted

private void markCompleted()

isCompleted

private boolean isCompleted()

attachCompletionAction

public void attachCompletionAction(Runnable action)

runCompletionAction

private void runCompletionAction()

getCompletionAction

public Optional<Runnable> getCompletionAction()

getWriteNumber

public long getWriteNumber()

toString

public String toString()

Overrides:

toString in class Object