[seam-issues] [JBoss JIRA] Created: (SEAMPERSIST-63) Query Interface

[Frank Cornelis (JIRA)]

Query Interface
---------------

                 Key: SEAMPERSIST-63
                 URL: https://issues.jboss.org/browse/SEAMPERSIST-63
             Project: Seam Persistence
          Issue Type: Feature Request
            Reporter: Frank Cornelis
            Priority: Minor


The query interface allows for easy usage of JPA queries. Basically you annotate an interface as follows:
{code}
public interface QueryInterface {
		@QueryMethod("person.query.all")
		List<Person> getAll();

		@QueryMethod("person.select.by.name")
		Person getPersonByName(@QueryParam("name") String name);

		@QueryMethod(value = "person.select.by.name", nullable = true)
		Person findPersonByName(@QueryParam("name") String name);

		@QueryMethod("person.query.all")
		Query getAllQuery();
		
		@QueryMethod(query = "SELECT COUNT(*) FROM Person")
		Long countAll();
	}
{code}
Using some inject QueryInterfaceFactory you can get a proxy on this interface that will interpret the annotations towards JPA queries. See attached patch for a basic implementation.

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