Interface Handler
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- 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
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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.
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Method Detail
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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
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