About Metamodel

31-40 of 185Refresh
Forum
19

Metamodel Attribute NOT EQUALS to same Attribute in a different EntityManager

Attribute from Metamodel initialized on @PostConstruct event IS NOT EQUALS of the same Attribute from Metamodel of a differente EntityManager initialized on a @Controller @RequestMapping event. I ... is it: If I have two moments of initialization of "javax.persistence.metamodel" from EntityManager
Issue
18

JPA Metamodel (JPA 2.0)

The JPA Metamodel API enables examining the classes, fields and properties of the persistent object model, similarly to the Java reflection API. The JPA Metamodel API has a major role in defining queries using the JPA Criteria API. Implementation of the JPA Metamodel API was just added to ObjectDB
Forum
18

Retrieving Metamodel without connection

Hello! I use Spring Data JPA. It uses the Metamodel to create repository beans. This triggers a connection to the ObjectDB server. It happens on every start of the Context. If it fails ... restart tomcat. Other JPA providers are able to fetch the Metamodel without connecting to the DB. I
Issue
18

Retrieving Metamodel without Connection

Hello! I use Spring Data JPA. It uses the Metamodel to create repository beans. This triggers a connection to the ObjectDB server. It happens on every start of the Context. If it fails ... restart tomcat. Other JPA providers are able to fetch the Metamodel without connecting to the DB. I
Manual
13

JPA Named Queries

, you may introduce classes to ObjectDB before accessing named queries, by using the JPA 2 Metamodel
JPA Doc
12

javax.persistence.criteria.CollectionJoin

: alias Since: JPA 2.0 Attribute getAttribute() Return the metamodel attribute corresponding to the join. Return the metamodel attribute corresponding to the join. Returns: metamodel attribute ... the metamodel representation for the collection attribute. Return the metamodel representation
JPA Doc
12

javax.persistence.criteria.ListJoin

Attribute getAttribute() Return the metamodel attribute corresponding to the join. Return the metamodel attribute corresponding to the join. Returns: metamodel attribute corresponding to the join ... made from this type Since: JPA 2.0 ListAttribute getModel() Return the metamodel representation
JPA Doc
12

javax.persistence.criteria.MapJoin

.0 Attribute getAttribute() Return the metamodel attribute corresponding to the join. Return the metamodel attribute corresponding to the join. Returns: metamodel attribute corresponding ... : joins made from this type Since: JPA 2.0 MapAttribute getModel() Return the metamodel
JPA Doc
12

javax.persistence.criteria.SetJoin

getAttribute() Return the metamodel attribute corresponding to the join. Return the metamodel attribute corresponding to the join. Returns: metamodel attribute corresponding to the join ... made from this type Since: JPA 2.0 SetAttribute getModel() Return the metamodel representation
JPA Doc
9

javax.persistence.criteria.PluralJoin

. Returns: alias Since: JPA 2.0 Attribute getAttribute() Return the metamodel attribute corresponding to the join. Return the metamodel attribute corresponding to the join. Returns: metamodel attribute ... PluralAttribute getModel() Return the metamodel representation for the collection-valued attribute