com.github.f4b6a3.uuid.factory

Class CombGuidCreator

java.lang.Object

com.github.f4b6a3.uuid.factory.abst.AbstractUuidCreator

com.github.f4b6a3.uuid.factory.abst.AbstractTimeBasedUuidCreator

com.github.f4b6a3.uuid.factory.CombGuidCreator

public class CombGuidCreator
extends AbstractTimeBasedUuidCreator

Factory that creates COMB UUIDs. The Cost of GUIDs as Primary Keys http://www.informit.com/articles/article.aspx?p=25862

Field Summary

Fields inherited from class com.github.f4b6a3.uuid.factory.abst.AbstractTimeBasedUuidCreator

clockSequence, clockSequenceStrategy, nodeIdentifier, nodeIdentifierStrategy, state, timestamp, timestampStrategy

Fields inherited from class com.github.f4b6a3.uuid.factory.abst.AbstractUuidCreator

NAMESPACE_DNS, NAMESPACE_OID, NAMESPACE_URL, NAMESPACE_X500, NIL_UUID, RFC4122_VARIANT_BITS, RFC4122_VERSION_BITS, VARIANT_RESERVED_FUTURE, VARIANT_RESERVED_MICROSOFT, VARIANT_RESERVED_NCS, VARIANT_RFC4122, version, VERSION_0, VERSION_1, VERSION_2, VERSION_3, VERSION_4, VERSION_5

Constructor Summary

Constructors

Constructor and Description
CombGuidCreator()

Method Summary

Modifier and Type	Method and Description
long	formatMostSignificantBits(long timestamp) Format the MSB UUID from the current timestamp.
protected void	storeState()

Methods inherited from class com.github.f4b6a3.uuid.factory.abst.AbstractTimeBasedUuidCreator

create, formatLeastSignificantBits, withClockSequence, withClockSequenceStrategy, withHardwareAddress, withInstant, withNodeIdentifier, withNodeIdentifierStrategy, withTimestamp, withTimestampStrategy

Methods inherited from class com.github.f4b6a3.uuid.factory.abst.AbstractUuidCreator

getVariantBits, getVersion, getVersionBits, setVariantBits, setVersionBits, valid

Methods inherited from class java.lang.Object

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

Constructor Detail

CombGuidCreator

public CombGuidCreator()

Method Detail

formatMostSignificantBits

public long formatMostSignificantBits(long timestamp)

Description copied from class: AbstractTimeBasedUuidCreator

Format the MSB UUID from the current timestamp.

Specified by:

formatMostSignificantBits in class AbstractTimeBasedUuidCreator

Parameters:

timestamp - a timestamp

Returns:

the MSB

storeState

protected void storeState()

Overrides:

storeState in class AbstractTimeBasedUuidCreator