Examples with LocateRequest org.datanucleus.store.rdbms.request.LocateRequest used on opensource projects

Example 1 with LocateRequest

use of org.datanucleus.store.rdbms.request.LocateRequest in project datanucleus-rdbms by datanucleus.

the class RDBMSPersistenceHandler method getLocateRequest.

/**
 * Returns a request object that will locate a row from the given table.
 * The store manager will cache the request object for re-use by subsequent requests to the same table.
 * @param table The table from which to locate.
 * @param className the class name of the object of the request
 * @return A locate request object.
 */
private Request getLocateRequest(DatastoreClass table, String className) {
    RequestIdentifier reqID = new RequestIdentifier(table, null, RequestType.LOCATE, className);
    Request req = requestsByID.get(reqID);
    if (req == null) {
        req = new LocateRequest(table);
        requestsByID.put(reqID, req);
    }
    return req;
}