org.hibernate.event.service.spi

Interface DuplicationStrategy

All Known Implementing Classes:

DuplicationStrategyImpl, EnversListenerDuplicationStrategy

public interface DuplicationStrategy

Defines listener duplication checking strategy, both in terms of when a duplication is detected (see areMatch(java.lang.Object, java.lang.Object)) as well as how to handle a duplication (see getAction()).

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	DuplicationStrategy.Action The enumerated list of actions available on duplication match

Method Summary

Modifier and Type	Method and Description
boolean	areMatch(java.lang.Object listener, java.lang.Object original) Are the two listener instances considered a duplication?
DuplicationStrategy.Action	getAction() How should a duplication be handled?

Method Detail

areMatch

boolean areMatch(java.lang.Object listener,
                 java.lang.Object original)

Are the two listener instances considered a duplication?

Parameters:

listener - The listener we are currently trying to register

original - An already registered listener

Returns:

true if the two instances are considered a duplication; false otherwise

getAction

DuplicationStrategy.Action getAction()

How should a duplication be handled?

Returns:

The strategy for handling duplication