Class CypherAdapterUtils

java.lang.Object

org.springframework.data.neo4j.repository.query.CypherAdapterUtils

@API(status=INTERNAL,
     since="6.0")
public final class CypherAdapterUtils
extends Object

Bridging between Spring Data domain Objects and Cypher constructs.

Author:

Michael J. Simons, Gerrit Meier

Method Summary

Modifier and Type	Method	Description
static org.neo4j.cypherdsl.core.Condition	combineKeysetIntoCondition(Neo4jPersistentEntity<?> entity, KeysetScrollPosition scrollPosition, Sort sort, Neo4jConversionService conversionService)
static Function<Sort.Order, org.neo4j.cypherdsl.core.SortItem>	sortAdapterFor(NodeDescription<?> nodeDescription)	Maps Spring Data's Sort.Order to a SortItem.
static Collection<org.neo4j.cypherdsl.core.SortItem>	toSortItems(@Nullable NodeDescription<?> nodeDescription, Sort sort)	Converts a Spring Data sort to an equivalent list of sort items.

Methods inherited from class Object

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

Method Details

sortAdapterFor

public static Function<Sort.Order, org.neo4j.cypherdsl.core.SortItem> sortAdapterFor(NodeDescription<?> nodeDescription)

Maps Spring Data's Sort.Order to a SortItem. See toSortItems(NodeDescription, Sort).

Parameters:

nodeDescription - NodeDescription to get properties for sorting from.

Returns:

a stream if sort items. Will be empty when sort is unsorted

combineKeysetIntoCondition

public static org.neo4j.cypherdsl.core.Condition combineKeysetIntoCondition(Neo4jPersistentEntity<?> entity,
 KeysetScrollPosition scrollPosition,
 Sort sort,
 Neo4jConversionService conversionService)

toSortItems

public static Collection<org.neo4j.cypherdsl.core.SortItem> toSortItems(@Nullable NodeDescription<?> nodeDescription,
 Sort sort)

Converts a Spring Data sort to an equivalent list of sort items.

Parameters:

nodeDescription - the node description to map the properties

sort - the sort object to convert

Returns:

a collection of sort items which will be empty when sort is unsorted