Package io.agrest.cayenne

Class CayenneResolvers

java.lang.Object

io.agrest.cayenne.CayenneResolvers

public class CayenneResolvers
extends Object

A collection of root and related data resolvers for customizing Cayenne entity fetching in Agrest. Resolvers can be installed per-request or per-AgRuntime via AgEntityOverlay.

Since:

3.4

See Also:

• AgEntityOverlay

Constructor Summary

Constructors

Constructor	Description
CayenneResolvers()

Method Summary

Modifier and Type	Method	Description
static RelatedDataResolverFactory	relatedViaParentPrefetch()	Returns a related resolver that doesn't run its own queries, but instead amends parent node query with prefetch spec, so that the objects can be read efficiently from the parent objects.
static RelatedDataResolverFactory	relatedViaQueryWithParentExp()	Returns a related resolver that builds a database query using a qualifier from the parent entity.
static RelatedDataResolverFactory	relatedViaQueryWithParentIds()	Returns a related resolver that waits for the parent query to complete, and resolves its objects by building a query from the collection of IDs from the parent result.
static RootDataResolverFactory	rootViaQuery()

Methods inherited from class java.lang.Object

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

Constructor Details

CayenneResolvers

public CayenneResolvers()

Method Details

rootViaQuery

public static RootDataResolverFactory rootViaQuery()

Since:

5.0

relatedViaQueryWithParentExp

public static RelatedDataResolverFactory relatedViaQueryWithParentExp()

Returns a related resolver that builds a database query using a qualifier from the parent entity. This is the default related resolver used by the Cayenne backend.

Since:

5.0

relatedViaQueryWithParentIds

public static RelatedDataResolverFactory relatedViaQueryWithParentIds()

Returns a related resolver that waits for the parent query to complete, and resolves its objects by building a query from the collection of IDs from the parent result.

Since:

5.0

relatedViaParentPrefetch

public static RelatedDataResolverFactory relatedViaParentPrefetch()

Returns a related resolver that doesn't run its own queries, but instead amends parent node query with prefetch spec, so that the objects can be read efficiently from the parent objects.

Since:

5.0