org.hibernate.transform
Class BasicTransformerAdapter

java.lang.Object
  org.hibernate.transform.BasicTransformerAdapter

All Implemented Interfaces:

java.io.Serializable, ResultTransformer

Direct Known Subclasses:

AliasToEntityMapResultTransformer, DistinctResultTransformer, PassThroughResultTransformer, RootEntityResultTransformer, ToListResultTransformer

public abstract class BasicTransformerAdapter
extends java.lang.Object
implements ResultTransformer

Provides the basic "noop" impls of the ResultTransformer contract.

Author:

Steve Ebersole

See Also:

Serialized Form

Constructor Summary

BasicTransformerAdapter()

Method Summary

java.util.List	transformList(java.util.List list) Here we have an opportunity to perform transformation on the query result as a whole.
java.lang.Object	transformTuple(java.lang.Object[] tuple, java.lang.String[] aliases) Tuples are the elements making up each "row" of the query result.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BasicTransformerAdapter

public BasicTransformerAdapter()

Method Detail

transformTuple

public java.lang.Object transformTuple(java.lang.Object[] tuple,
                                       java.lang.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

Parameters:

tuple - The result elements

aliases - The result aliases ("parallel" array to tuple)

Returns:

The transformed row.

transformList

public java.util.List transformList(java.util.List list)

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.

Specified by:

transformList in interface ResultTransformer

Parameters:

list - The result.

Returns:

The transformed result.