Package io.hypersistence.utils.hibernate.query

Class DistinctListTransformer<T>

java.lang.Object

io.hypersistence.utils.hibernate.query.DistinctListTransformer<T>

All Implemented Interfaces:

org.hibernate.query.ResultListTransformer<T>

public class DistinctListTransformer<T>
extends Object
implements org.hibernate.query.ResultListTransformer<T>

The DistinctListTransformer removes duplicates from the List of elements that were transformed by the TupleTransformer.

This is similar to the DistinctResultTransformer that was available in Hibernate 5.

Since:

2.21.0

Author:

Vlad Mihalcea

Field Summary

Fields

Modifier and Type	Field	Description
static final DistinctListTransformer	INSTANCE

Constructor Summary

Constructors

Constructor	Description
DistinctListTransformer()

Method Summary

Modifier and Type	Method	Description
List<T>	transformList(List collection)	Deduplicates the provided List.

Methods inherited from class java.lang.Object

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

Field Details

INSTANCE

public static final DistinctListTransformer INSTANCE

Constructor Details

DistinctListTransformer

public DistinctListTransformer()

Method Details

transformList

public List<T> transformList(List collection)

Deduplicates the provided List.

Specified by:

transformList in interface org.hibernate.query.ResultListTransformer<T>

Parameters:

collection - collections to be deduplicated

Returns:

deduplicated List