Package com.axelor.meta.query.backend.jpa

Class JpaQueryBackend

java.lang.Object

com.axelor.meta.query.backend.jpa.JpaQueryBackend

All Implemented Interfaces:

QueryBackend

@Singleton
public class JpaQueryBackend
extends Object
implements QueryBackend

Constructor Summary

Constructors

Constructor	Description
JpaQueryBackend()

Method Summary

Modifier and Type	Method	Description
MetaJsonField	findCustomField(Class<? extends Model> entity, String name)	The custom field of that name added to the entity, or null when it has none.
String	renderField(String alias, ResolvedField field)
String	renderRelationJoin(QueryJoinClause.RelationJoin join, Function<Object,String> binder)
ResolvedField	resolveField(ResolvedModel model, String path)
ResolvedModel	resolveModel(String modelName)
ResolvedModel	resolveRelationTarget(ResolvedField field)
ResolvedModel	tryResolveModel(String modelName)
String	type()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.axelor.meta.query.backend.QueryBackend

rootPredicate

Constructor Details

JpaQueryBackend

public JpaQueryBackend()

Method Details

type

public String type()

Specified by:

type in interface QueryBackend

tryResolveModel

public ResolvedModel tryResolveModel(String modelName)

resolveModel

public ResolvedModel resolveModel(String modelName)

Specified by:

resolveModel in interface QueryBackend

resolveField

public ResolvedField resolveField(ResolvedModel model,
 String path)

Specified by:

resolveField in interface QueryBackend

renderField

public String renderField(String alias,
 ResolvedField field)

Specified by:

renderField in interface QueryBackend

resolveRelationTarget

public ResolvedModel resolveRelationTarget(ResolvedField field)

Specified by:

resolveRelationTarget in interface QueryBackend

renderRelationJoin

public String renderRelationJoin(QueryJoinClause.RelationJoin join,
 Function<Object,String> binder)

Specified by:

renderRelationJoin in interface QueryBackend

findCustomField

public MetaJsonField findCustomField(Class<? extends Model> entity,
 String name)

The custom field of that name added to the entity, or null when it has none.