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Oracle Fusion Middleware Java API Reference for Oracle TopLink 11g Release 1 (11.1.1) E28847-01 |
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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 | |
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java.lang.Object |
invokeQuery(DatabaseQuery query, Record arguments, Session session) REQUIRED: Perform the query. |
Method Detail |
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java.lang.Object invokeQuery(DatabaseQuery query, Record arguments, Session session)
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