Java Persistence API

Named Queries

An entity may declare named queries, using the @NamedQuery annotation

@NamedQuery Annotation Example

Multiple named queries can be defined by using the @NamedQueries annotation

@NamedQueries Annotation Example

  @Entity
  @NamedQueries({
    @NamedQuery(name="employeeBySsn" query="select e from Employee e where e.ssn = :ssn"),
    @NamedQuery(name="employeesByLastName" query="select e from Employee e where e.lastName = ?1" )})
  public class Employee {
    ...
  }