org.hibernate.transform
Class PassThroughResultTransformer

java.lang.Object
  extended by org.hibernate.transform.BasicTransformerAdapter
      extended by org.hibernate.transform.PassThroughResultTransformer
All Implemented Interfaces:
Serializable, ResultTransformer, TupleSubsetResultTransformer

public class PassThroughResultTransformer
extends BasicTransformerAdapter
implements TupleSubsetResultTransformer

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See Also:
Serialized Form

Field Summary
static PassThroughResultTransformer INSTANCE
           
 
Method Summary
 boolean[] includeInTransform(String[] aliases, int tupleLength)
          Returns an array with the i-th element indicating whether the i-th element of the tuple is included in the transformed value.
 boolean isTransformedValueATupleElement(String[] aliases, int tupleLength)
          When a tuple is transformed, is the result a single element of the tuple?
 Object transformTuple(Object[] tuple, String[] aliases)
          Tuples are the elements making up each "row" of the query result.
 
Methods inherited from class org.hibernate.transform.BasicTransformerAdapter
transformList
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.hibernate.transform.ResultTransformer
transformList
 

Field Detail

INSTANCE

public static final PassThroughResultTransformer INSTANCE
Method Detail

transformTuple

public 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.

Specified by:
transformTuple in interface ResultTransformer
Overrides:
transformTuple in class BasicTransformerAdapter
Parameters:
tuple - The result elements
aliases - The result aliases ("parallel" array to tuple)
Returns:
The transformed row.

isTransformedValueATupleElement

public boolean isTransformedValueATupleElement(String[] aliases,
                                               int tupleLength)
When a tuple is transformed, is the result a single element of the tuple?

Specified by:
isTransformedValueATupleElement in interface TupleSubsetResultTransformer
Parameters:
aliases - - the aliases that correspond to the tuple
tupleLength - - the number of elements in the tuple
Returns:
true, if the transformed value is a single element of the tuple; false, otherwise.

includeInTransform

public boolean[] includeInTransform(String[] aliases,
                                    int tupleLength)
Returns an array with the i-th element indicating whether the i-th element of the tuple is included in the transformed value.

Specified by:
includeInTransform in interface TupleSubsetResultTransformer
Parameters:
aliases - - the aliases that correspond to the tuple
tupleLength - - the number of elements in the tuple
Returns:
array with the i-th element indicating whether the i-th element of the tuple is included in the transformed value.


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