Package jetbrains.buildServer.serverSide.db

Class PersistableLongIdSequence

java.lang.Object

jetbrains.buildServer.serverSide.db.PersistableLongIdSequence

All Implemented Interfaces:

IdSequence<Long>, NumericIdSequence<Long>

public class PersistableLongIdSequence
extends Object
implements NumericIdSequence<Long>

Sequence implementation which is safety for using in multi-node setup and uses database for synchronization

Since:

2019.2

Constructor Summary

Constructors

Constructor	Description
PersistableLongIdSequence(SQLRunnerEx dbFunctionsProvider, String domainName, int idsCountToReserve, long lastValueFromDomainTables)

Method Summary

Modifier and Type	Method	Description
Long	lastOne()	Checks the last used identifier.
Long	nextOne()	Produces the new identifier.
Interval<Long>	nextRange(int count)	Produces and returns a range of identifiers.

Methods inherited from class java.lang.Object

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

Constructor Detail

PersistableLongIdSequence

public PersistableLongIdSequence(@NotNull
                                 SQLRunnerEx dbFunctionsProvider,
                                 @NotNull
                                 String domainName,
                                 int idsCountToReserve,
                                 long lastValueFromDomainTables)

Method Detail

nextOne

@NotNull
public Long nextOne()

Description copied from interface: NumericIdSequence

Produces the new identifier.

Specified by:

nextOne in interface IdSequence<Long>

Specified by:

nextOne in interface NumericIdSequence<Long>

Returns:

the new identifier.

nextRange

@NotNull
public Interval<Long> nextRange(int count)

Description copied from interface: NumericIdSequence

Produces and returns a range of identifiers.

Specified by:

nextRange in interface NumericIdSequence<Long>

Parameters:

count - how many identifiers to produce.

Returns:

a range of new identifiers.

lastOne

@NotNull
public Long lastOne()

Description copied from interface: NumericIdSequence

Checks the last used identifier.

Specified by:

lastOne in interface NumericIdSequence<Long>

Returns:

the last used value.