Package org.springframework.data.jpa.repository.query

Class KeysetScrollDelegate

java.lang.Object

org.springframework.data.jpa.repository.query.KeysetScrollDelegate

public class KeysetScrollDelegate
extends Object

Delegate for keyset scrolling.

Since:

3.1

Author:

Mark Paluch

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	KeysetScrollDelegate.QueryStrategy<E,P>	Adapter to construct scroll queries.

Constructor Summary

Constructors

Constructor	Description
KeysetScrollDelegate()

Method Summary

Modifier and Type	Method	Description
<E, P> P	createPredicate(org.springframework.data.domain.KeysetScrollPosition keyset, org.springframework.data.domain.Sort sort, KeysetScrollDelegate.QueryStrategy<E,P> strategy)
protected <T> List<T>	getResultWindow(List<T> list, int limit)
protected org.springframework.data.domain.Sort	getSortOrders(org.springframework.data.domain.Sort sort)
static KeysetScrollDelegate	of(org.springframework.data.domain.ScrollPosition.Direction direction)	Factory method to obtain the right KeysetScrollDelegate.
protected <T> List<T>	postProcessResults(List<T> result)

Methods inherited from class java.lang.Object

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

Constructor Details

KeysetScrollDelegate

public KeysetScrollDelegate()

Method Details

of

public static KeysetScrollDelegate of(org.springframework.data.domain.ScrollPosition.Direction direction)

Factory method to obtain the right KeysetScrollDelegate.

Parameters:

direction - the direction of scrolling.

Returns:

a KeysetScrollDelegate matching the requested direction.

createPredicate

@Nullable
public <E,
P> P createPredicate(org.springframework.data.domain.KeysetScrollPosition keyset,
 org.springframework.data.domain.Sort sort,
 KeysetScrollDelegate.QueryStrategy<E,P> strategy)

getSortOrders

protected org.springframework.data.domain.Sort getSortOrders(org.springframework.data.domain.Sort sort)

postProcessResults

protected <T> List<T> postProcessResults(List<T> result)

getResultWindow

protected <T> List<T> getResultWindow(List<T> list,
 int limit)