// constructors
/// <summary>
/// Initializes a new instance of the MongoCursorEnumerator class.
/// </summary>
/// <param name="cursor">The cursor to be enumerated.</param>
public MongoCursorEnumerator(MongoCursor <TDocument> cursor)
{
_cursor = cursor;
_positiveLimit = cursor.Limit >= 0 ? cursor.Limit : -cursor.Limit;
_readPreference = _cursor.ReadPreference;
_queryFlags = _cursor.Flags;
if (_readPreference.ReadPreferenceMode != ReadPreferenceMode.Primary && _cursor.Collection.Name == "$cmd")
{
if (cursor.Server.ProxyType == MongoServerProxyType.ReplicaSet && !CanCommandBeSentToSecondary.Delegate(_cursor.Query.ToBsonDocument()))
{
// if the command can't be sent to a secondary, then we use primary here
// regardless of the user's choice.
_readPreference = ReadPreference.Primary;
// remove the slaveOk bit from the flags
_queryFlags &= ~QueryFlags.SlaveOk;
}
}
}
// constructors
/// <summary>
/// Initializes a new instance of the MongoCursorEnumerator class.
/// </summary>
/// <param name="cursor">The cursor to be enumerated.</param>
public MongoCursorEnumerator(MongoCursor <TDocument> cursor)
{
_cursor = cursor;
_positiveLimit = cursor.Limit >= 0 ? cursor.Limit : -cursor.Limit;
}
// constructors
/// <summary>
/// Initializes a new instance of the MongoCursorEnumerator class.
/// </summary>
/// <param name="cursor">The cursor to be enumerated.</param>
public MongoCursorEnumerator(MongoCursor <TDocument> cursor)
{
_cursor = cursor;
_readPreference = _cursor.ReadPreference;
}