|
EclipseLink 2.1.2, build 'v20101206-r8635' API Reference | ||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
public interface QueryRedirector
Purpose: Query redirection allows for a named or parameterized query (or finder) to dynamically determine how the query is to be executed based on the arguments.
Description: An implementor of this interface can be given to a query to allow the user to have full control over the execution of the query. Redirection can be used to:
Note: If you execute the query on a UnitOfWork, the results register with that
UnitOfWork, so any objects you attempt to retrieve with the invoke
method must come from the Session Cache.
MethodBaseQueryRedirector
,
DatabaseQuery.setRedirector(org.eclipse.persistence.queries.QueryRedirector)
Method Summary | |
---|---|
java.lang.Object |
invokeQuery(DatabaseQuery query,
Record arguments,
Session session)
REQUIRED: Perform the query. |
Method Detail |
---|
java.lang.Object invokeQuery(DatabaseQuery query, Record arguments, Session session)
|
EclipseLink 2.1.2, build 'v20101206-r8635' API Reference | ||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |