org.qi4j.library.uid.sequence
Interface Sequencing

All Known Subinterfaces:

PersistingSequencingService, TransientSequencingService

All Known Implementing Classes:

PersistedSequencingMixin, TransientSequencingMixin

public interface Sequencing

Sequencing is used to automatically generate a sequence of numbers. The algorithm is that currentSequenceValue is the number that was last returned in a newSequenceValue call, and will initially be zero. Persisting Sequencing services defines "initially" as the first run ever, as subsequent starts may retrieve the currentSequenceValue from an EntityStore

Method Summary

Long	currentSequenceValue()
Long	newSequenceValue()

Method Detail

newSequenceValue

Long newSequenceValue()
                      throws SequencingException

Throws:

SequencingException

currentSequenceValue

Long currentSequenceValue()