org.neo4j.kernel.ha.transaction

Class OnDiskLastTxIdGetter

java.lang.Object

org.neo4j.kernel.ha.transaction.OnDiskLastTxIdGetter

All Implemented Interfaces:

org.neo4j.kernel.impl.core.LastTxIdGetter

public class OnDiskLastTxIdGetter
extends Object
implements org.neo4j.kernel.impl.core.LastTxIdGetter

Constructor Summary

Constructors

Constructor and Description
OnDiskLastTxIdGetter(LongSupplier txIdSupplier)

Method Summary

Modifier and Type	Method and Description
long	getLastTxId() This method is used to construct credentials for election process.

Methods inherited from class java.lang.Object

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

Constructor Detail

OnDiskLastTxIdGetter

public OnDiskLastTxIdGetter(LongSupplier txIdSupplier)

Method Detail

getLastTxId

public long getLastTxId()

This method is used to construct credentials for election process. And can be invoked at any moment of instance lifecycle. It mean that its possible that we will be invoked when neo stores are stopped (for example while we copy store) in that case we will return TransactionIdStore.BASE_TX_ID

Specified by:

getLastTxId in interface org.neo4j.kernel.impl.core.LastTxIdGetter