public class DistinctRootEntityResultTransformer extends Object implements ResultTransformer, Serializable
RootEntityResultTransformer
, but we also distinct
the entity in the final result.
Since this transformer is stateless, all instances would be considered equal.
So for optimization purposes we limit it to a single, singleton instance
.Modifier and Type | Field and Description |
---|---|
static DistinctRootEntityResultTransformer |
INSTANCE |
Modifier and Type | Method and Description |
---|---|
List |
transformList(List list)
Simply delegates to
DistinctResultTransformer.transformList(java.util.List) . |
Object |
transformTuple(Object[] tuple,
String[] aliases)
Simply delegates to
RootEntityResultTransformer.transformTuple(java.lang.Object[], java.lang.String[]) . |
public static final DistinctRootEntityResultTransformer INSTANCE
public Object transformTuple(Object[] tuple, String[] aliases)
RootEntityResultTransformer.transformTuple(java.lang.Object[], java.lang.String[])
.transformTuple
in interface ResultTransformer
tuple
- The tuple to transformaliases
- The tuple aliasespublic List transformList(List list)
DistinctResultTransformer.transformList(java.util.List)
.transformList
in interface ResultTransformer
list
- The list to transform.Copyright © 2002-2017 Red Hat Middleware, LLC. All Rights Reserved