MergeEventListener (Hibernate Javadocs (hibernate-core))

```
public interface MergeEventListener
```
Defines the contract for handling of merge events generated from a session.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`onMerge(MergeEvent event)`	Handle the given merge event.
`void`	`onMerge(MergeEvent event, MergeContext copiedAlready)`	Handle the given merge event.

- Method Detail
  - onMerge
```
void onMerge(MergeEvent event)
      throws HibernateException
```
    Handle the given merge event.
    
    Parameters:
    
    event - The merge event to be handled.
    
    Throws:
    
    HibernateException
  - onMerge
```
void onMerge(MergeEvent event,
             MergeContext copiedAlready)
      throws HibernateException
```
    Handle the given merge event.
    
    Parameters:
    
    event - The merge event to be handled.
    
    Throws:
    
    HibernateException