constants.h

// constants.h
 
/*    Copyright 2012 10gen Inc.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
 
#pragma once
 
namespace mongo {
 
/* query results include a 32 result flag word consisting of these bits */
enum ResultFlagType {
    /* returned, with zero results, when getMore is called but the cursor id
       is not valid at the server. */
    ResultFlag_CursorNotFound = 1,
 
    /* { $err : ... } is being returned */
    ResultFlag_ErrSet = 2,
 
    /* Have to update config from the server, usually $err is also set */
    ResultFlag_ShardConfigStale = 4,
 
    /* for backward compatibility: this let's us know the server supports
       the QueryOption_AwaitData option. if it doesn't, a repl slave client should sleep
    a little between getMore's.
    */
    ResultFlag_AwaitCapable = 8
};
}