createNamedQuery
Die Methode Query createNamedQuery(String name) gehört zum EntityManager Interface. Mit ihr wird eine benannte Query instanziert. Benannte Queries werden mit der Annotation @NamedQuery vereinbart.
/**
* Create an instance of Query for executing a
* named query (in the Java Persistence query language
* or in native SQL).
* @param name the name of a query defined in metadata
* @return the new query instance
* @throws IllegalArgumentException if a query has not been
* defined with the given name
*/
/**
* Create an instance of Query for executing a
* named query (in the Java Persistence query language
* or in native SQL).
* @param name the name of a query defined in metadata
* @return the new query instance
* @throws IllegalArgumentException if a query has not been
* defined with the given name
*/