/**
* mongo_bson_new:
*
* Creates a new instance of #MongoBson. The #MongoBson instance is
* pre-populated with an _id field and #MongoObjectId value. This value
* is generated on the local machine and follows the guidelines suggested
* by the BSON ObjectID specificiation.
*
* Returns: A #MongoBson that should be freed with mongo_bson_unref().
*/
MongoBson *
mongo_bson_new (void)
{
MongoObjectId *oid;
MongoBson *bson;
bson = mongo_bson_new_empty();
oid = mongo_object_id_new();
mongo_bson_append_object_id(bson, "_id", oid);
mongo_object_id_free(oid);
return bson;
}
void
mongo_cursor_count_async (MongoCursor *cursor,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
MongoCursorPrivate *priv;
GSimpleAsyncResult *simple;
MongoBson *command;
ENTRY;
g_return_if_fail(MONGO_IS_CURSOR(cursor));
g_return_if_fail(!cancellable || G_IS_CANCELLABLE(cancellable));
g_return_if_fail(callback);
priv = cursor->priv;
if (!priv->connection) {
g_simple_async_report_error_in_idle(G_OBJECT(cursor),
callback,
user_data,
MONGO_CONNECTION_ERROR,
MONGO_CONNECTION_ERROR_NOT_CONNECTED,
_("Cursor is missing MongoConnection."));
EXIT;
}
simple = g_simple_async_result_new(G_OBJECT(cursor), callback, user_data,
mongo_cursor_count_async);
g_simple_async_result_set_check_cancellable(simple, cancellable);
command = mongo_bson_new_empty();
mongo_bson_append_string(command, "count", priv->collection);
if (priv->query) {
mongo_bson_append_bson(command, "query", priv->query);
}
mongo_connection_command_async(priv->connection,
priv->database,
command,
cancellable,
mongo_cursor_count_cb,
simple);
mongo_bson_unref(command);
EXIT;
}
