Package org.hibernate.transform
Interface ResultTransformer
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- All Superinterfaces:
Serializable
- All Known Subinterfaces:
TupleSubsetResultTransformer
- All Known Implementing Classes:
AliasedTupleSubsetResultTransformer
,AliasToBeanConstructorResultTransformer
,AliasToBeanResultTransformer
,AliasToEntityMapResultTransformer
,BasicTransformerAdapter
,CacheableResultTransformer
,CriteriaQueryTupleTransformer
,DistinctResultTransformer
,DistinctRootEntityResultTransformer
,NativeQueryTupleTransformer
,PassThroughResultTransformer
,RootEntityResultTransformer
,ToListResultTransformer
,TupleBuilderTransformer
public interface ResultTransformer extends Serializable
Implementors define a strategy for transforming query results into the actual application-visible query result list.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description List
transformList(List collection)
Here we have an opportunity to perform transformation on the query result as a whole.Object
transformTuple(Object[] tuple, String[] aliases)
Tuples are the elements making up each "row" of the query result.
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Method Detail
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transformTuple
Object transformTuple(Object[] tuple, String[] aliases)
Tuples are the elements making up each "row" of the query result. The contract here is to transform these elements into the final row.- Parameters:
tuple
- The result elementsaliases
- The result aliases ("parallel" array to tuple)- Returns:
- The transformed row.
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transformList
List transformList(List collection)
Here we have an opportunity to perform transformation on the query result as a whole. This might be useful to convert from one collection type to another or to remove duplicates from the result, etc.- Parameters:
collection
- The result.- Returns:
- The transformed result.
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