About create

api-jpa

javax.persistence.criteria.CriteriaBuilder

Used to construct criteria queries, compound selections, expressions, predicates, orderings.(Interface of JPA)

 
manual

JPA Criteria API Queries

Explains how to use the JPA Criteria API (CriteriaBuilder, CriteriaQuery, etc.) to build JPQL like queries.... CriteriaBuilder's method Create a CriteriaQuery object with the specified result type. See JavaDoc ... from(entityClass) AbstractQuery's method Create and add a query root corresponding to the given entity, forming a ... EntityManager's method Create an instance of TypedQuery for executing a criteria query. See JavaDoc ...

 
manual

JPA Query Expressions (JPQL / Criteria)

Describes JPA query (JPQL / Criteria API) expressions (literals, operators and functions).... literal(value) CriteriaBuilder's method Create an expression for a literal. See JavaDoc Reference Page... , ... CriteriaBuilder's method Create an expression for a null literal with the given type. See JavaDoc ... currentDate() CriteriaBuilder's method Create expression to return current date. See JavaDoc Reference Page... ...

 
manual

Storing JPA Entity Objects

Explains how to use JPA to store (persist) entity objects in the database. New entity objects can be stored in the database either explicitly by invoking the persist persist(entity) EntityManager's method Make an instance managed and persistent. See JavaDoc Reference Page... method or ...

 
api-jpa

javax.persistence.criteria.MapJoin

The MapJoin interface is the type of the result of joining to a collection over an association or element collection that has been specified as a java.util.Map.(Interface of JPA)

 
api-jpa

javax.persistence.criteria.ListJoin

The ListJoin interface is the type of the result of joining to a collection over an association or element collection that has been specified as a java.util.List.(Interface of JPA)

 
api-jpa

javax.persistence.criteria.CollectionJoin

The CollectionJoin interface is the type of the result of joining to a collection over an association or element collection that has been specified as a java.util.Collection.(Interface of JPA)

 
api-jpa

javax.persistence.criteria.SetJoin

The SetJoin interface is the type of the result of joining to a collection over an association or element collection that has been specified as a java.util.Set.(Interface of JPA)

 
api-jpa

javax.persistence.criteria.Root

A root type in the from clause.(Interface of JPA)

 
issue

Explorer bug ? Objects seem to be missing from database in Class view, but are present as references

objectdb-2.2.5_08 NetbeansID6.9.1+Glassfish3.01 I suspect the following is an Explorer bug. It is marked knowingly as CRITICAL by me because it makes the ObjectDB system unusable for a real project because it appears to be either database integrity corruption, or it just looks like it, which is just as bad. I attach a running project illustrating the problem, as well as screenshots. Bug Version: Priority: Critical Status: Fixed Replies: 5 Type:  Bug ...