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97 words

createQuery(qlString, resultClass) - JPA EntityManager's method

Method
javax.persistence.EntityManager
TypedQuery<T> createQuery(
  String qlString,
  Class<T> resultClass
)

Create an instance of TypedQuery for executing a Java Persistence query language statement. 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:
qlString - a Java Persistence query string
resultClass - the type of the query result
Returns:
the new query instance
Throws:
IllegalArgumentException - 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
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.
Object Relational Mapping (ORM) JPA 2 providers include Hibernate, EclipseLink, TopLink, OpenJPA and DataNucleus.
Object DB is not an ORM JPA implementation but an Object Database for Java with built in JPA 2 support.