Package org.springframework.data.neo4j.repository.query

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.StatementBuilder.BuildableStatement	addPagingParameter(NodeDescription<?> nodeDescription, Pageable pageable, org.neo4j.cypherdsl.core.StatementBuilder.OngoingReadingAndReturn returning)
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(NodeDescription<?> nodeDescription, Sort sort)	Converts a Spring Data sort to an equivalent list of sort items.

Methods inherited from class java.lang.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(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:

An of sort items. It will be empty when sort is unsorted.

addPagingParameter

public static org.neo4j.cypherdsl.core.StatementBuilder.BuildableStatement addPagingParameter(NodeDescription<?> nodeDescription,
 Pageable pageable,
 org.neo4j.cypherdsl.core.StatementBuilder.OngoingReadingAndReturn returning)