DuplicationStrategy (hibernate-core JavaDocs)

All Known Implementing Classes:

DuplicationStrategyImpl
```
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 Description

static class DuplicationStrategy.Action
The enumerated list of actions available on duplication match

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	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