org.neo4j.io.pagecache.tracing.cursor.context

Class EmptyVersionContextSupplier

java.lang.Object

org.neo4j.io.pagecache.tracing.cursor.context.EmptyVersionContextSupplier

All Implemented Interfaces:

VersionContextSupplier

public class EmptyVersionContextSupplier
extends Object
implements VersionContextSupplier

VersionContextSupplier version that supply same EmptyVersionContext each time for cases where version context mechanics is not required

Field Summary

Fields

Modifier and Type	Field and Description
static VersionContextSupplier	EMPTY

Method Summary

Modifier and Type	Method and Description
VersionContext	getVersionContext() Provide version context
void	init(LongSupplier lastClosedTransactionIdSupplier) Initialise current supplier with provider of last closed transaction ids for future version context to be able to get version ids

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY

public static final VersionContextSupplier EMPTY

Method Detail

init

public void init(LongSupplier lastClosedTransactionIdSupplier)

Description copied from interface: VersionContextSupplier

Initialise current supplier with provider of last closed transaction ids for future version context to be able to get version ids

Specified by:

init in interface VersionContextSupplier

Parameters:

lastClosedTransactionIdSupplier - closed transaction id supplier.

getVersionContext

public VersionContext getVersionContext()

Description copied from interface: VersionContextSupplier

Provide version context

Specified by:

getVersionContext in interface VersionContextSupplier

Returns:

instance of version context