from(entityClass) - JPA AbstractQuery's method
Method
javax.persistence.criteria.AbstractQuery
Root<X> from(
Class<X> entityClass
)
Create and add a query root corresponding to the given entity, forming a cartesian product with any existing roots.
- Parameters:
-
entityClass- the entity class
- Returns:
- query root corresponding to the given entity
- Since:
- JPA 2.0
This documentation page is derived (with some adjustments) from the open source JPA 2 RI (EclipseLink)
and is available under the terms of the Eclipse Public License, v. 1.0 and Eclipse Distribution License, v. 1.0.
and is available under the terms of the Eclipse Public License, v. 1.0 and Eclipse Distribution License, v. 1.0.
Object Relational Mapping (ORM) JPA 2 providers include Hibernate, EclipseLink, TopLink, OpenJPA and DataNucleus.
ObjectDB is not an ORM JPA implementation but an Object Database for Java with built in JPA 2 support.
