Package io.agrest.cayenne.processor.select

Class ViaQueryWithParentExpResolver<T extends org.apache.cayenne.DataObject>

java.lang.Object

io.agrest.resolver.BaseDataResolver

io.agrest.resolver.BaseRelatedDataResolver<T>

io.agrest.cayenne.processor.select.ViaQueryWithParentExpResolver<T>

All Implemented Interfaces:

RelatedDataResolver<T>

Direct Known Subclasses:

ViaQueryWithParentIdsResolver

public class ViaQueryWithParentExpResolver<T extends org.apache.cayenne.DataObject>
extends BaseRelatedDataResolver<T>

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

Since:

3.4

Field Summary

Fields

Modifier and Type	Field	Description
protected ICayennePersister	persister
protected ICayenneQueryAssembler	queryAssembler

Constructor Summary

Constructors

Constructor	Description
ViaQueryWithParentExpResolver(ICayenneQueryAssembler queryAssembler, ICayennePersister persister)

Method Summary

Modifier and Type	Method	Description
DataReader	dataReader(RelatedResourceEntity<T> entity, ProcessingContext<?> context)
protected Iterable<T>	doOnParentDataResolved(RelatedResourceEntity<T> entity, Iterable<?> parentData, SelectContext<?> context)
protected void	doOnParentQueryAssembled(RelatedResourceEntity<T> entity, SelectContext<?> context)
protected void	indexResultByParentId(RelatedResourceEntity<T> entity, List<Object[]> result)

Methods inherited from class io.agrest.resolver.BaseRelatedDataResolver

onParentDataResolved, onParentQueryAssembled

Methods inherited from class io.agrest.resolver.BaseDataResolver

afterDataFetched, afterQueryAssembled

Methods inherited from class java.lang.Object

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

Field Details

queryAssembler

protected ICayenneQueryAssembler queryAssembler

persister

protected ICayennePersister persister

Constructor Details

ViaQueryWithParentExpResolver

public ViaQueryWithParentExpResolver(ICayenneQueryAssembler queryAssembler,
 ICayennePersister persister)

Method Details

doOnParentQueryAssembled

protected void doOnParentQueryAssembled(RelatedResourceEntity<T> entity,
 SelectContext<?> context)

Specified by:

doOnParentQueryAssembled in class BaseRelatedDataResolver<T extends org.apache.cayenne.DataObject>

doOnParentDataResolved

protected Iterable<T> doOnParentDataResolved(RelatedResourceEntity<T> entity,
 Iterable<?> parentData,
 SelectContext<?> context)

Specified by:

doOnParentDataResolved in class BaseRelatedDataResolver<T extends org.apache.cayenne.DataObject>

dataReader

public DataReader dataReader(RelatedResourceEntity<T> entity,
 ProcessingContext<?> context)

Specified by:

dataReader in interface RelatedDataResolver<T extends org.apache.cayenne.DataObject>

Specified by:

dataReader in class BaseRelatedDataResolver<T extends org.apache.cayenne.DataObject>

indexResultByParentId

protected void indexResultByParentId(RelatedResourceEntity<T> entity,
 List<Object[]> result)