createNamedQuery(name, resultClass) - JPA EntityManager's method
Method javax.persistence.EntityManager
TypedQuery<T> createNamedQuery(
String name,
Class<T> resultClass
)
Create an instance of
TypedQuery for executing a Java Persistence query language named query. The select list of the query must contain only a single item, which must be assignable to the type specified by the resultClass argument. - Parameters:
-
name- the name of a query defined in metadata -
resultClass- the type of the query result
- Returns:
- the new query instance
- Throws:
-
IllegalArgumentException- if a query has not been defined with the given name or if the query string is found to be invalid or if the query result is found to not be assignable to the specified type
- Since:
- JPA 2.0
