Package com.axelor.meta.query.backend

Class CustomFields

java.lang.Object

com.axelor.meta.query.backend.CustomFields

public final class CustomFields
extends Object

How a custom field (MetaJsonField) is typed and read in a query, wherever it is stored: in a custom model's record, or in the JSON column of an entity the field was added to.

Method Summary

Modifier and Type	Method	Description
static boolean	canRead(User user, MetaJsonField field)	Whether the user may read the field: open to all unless it names roles.
static String	render(String alias, String column, ResolvedField field)	The field's value read out of alias's JSON column.
static String	renderRelationJoin(QueryJoinClause.RelationJoin join, String column, Function<Object,String> binder)	Joins the target of a to-one custom relation stored in the source's JSON column.
static ResolvedField	resolve(MetaJsonField field, String column)	The field as the analyzer sees it, stored under column (null for a custom model).

Methods inherited from class java.lang.Object

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

Method Details

resolve

public static ResolvedField resolve(MetaJsonField field,
 String column)

The field as the analyzer sees it, stored under column (null for a custom model).

render

public static String render(String alias,
 String column,
 ResolvedField field)

The field's value read out of alias's JSON column.

renderRelationJoin

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

Joins the target of a to-one custom relation stored in the source's JSON column. JPQL cannot navigate a path stored in JSON, so the target is joined on the id it holds.

canRead

public static boolean canRead(User user,
 MetaJsonField field)

Whether the user may read the field: open to all unless it names roles.