Handler (Hibernate Javadocs)

All Known Subinterfaces:

DeleteHandler, InsertHandler, UpdateHandler

All Known Implementing Classes:

AbstractCteMutationHandler, AbstractMutationHandler, CteDeleteHandler, CteInsertHandler, CteUpdateHandler, InlineDeleteHandler, InlineUpdateHandler, TableBasedDeleteHandler, TableBasedInsertHandler, TableBasedUpdateHandler
```
public interface Handler
```
Simply as a matter of code structuring it is often worthwhile to put all of the execution code into a separate handler (executor) class. This contract helps unify those helpers. Hiding this "behind the strategy" also allows mixing approaches based on the nature of specific queries

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`execute(DomainQueryExecutionContext executionContext)`	Execute the multi-table update or delete indicated by the SQM AST passed in when this Handler was created.

- Method Detail
  - execute
```
int execute(DomainQueryExecutionContext executionContext)
```
    Execute the multi-table update or delete indicated by the SQM AST passed in when this Handler was created.
    
    Parameters:
    
    executionContext - Contextual information needed for execution
    
    Returns:
    
    The "number of rows affected" count