X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fmathql_interpreter%2Fdbconn.ml;fp=helm%2Focaml%2Fmathql_interpreter%2Fdbconn.ml;h=0000000000000000000000000000000000000000;hb=e108abe5c0b4eb841c4ad332229a6c0e57e70079;hp=e46f89cb280180659b58d43d31552feea343dd0b;hpb=1456c337a60f6677ee742ff7891d43fc382359a9;p=helm.git diff --git a/helm/ocaml/mathql_interpreter/dbconn.ml b/helm/ocaml/mathql_interpreter/dbconn.ml deleted file mode 100644 index e46f89cb2..000000000 --- a/helm/ocaml/mathql_interpreter/dbconn.ml +++ /dev/null @@ -1,79 +0,0 @@ -(* Copyright (C) 2000, HELM Team. - * - * This file is part of HELM, an Hypertextual, Electronic - * Library of Mathematics, developed at the Computer Science - * Department, University of Bologna, Italy. - * - * HELM is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * HELM is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with HELM; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, - * MA 02111-1307, USA. - * - * For details, see the HELM World-Wide-Web page, - * http://cs.unibo.it/helm/. - *) - -(* - * gestione della connessione al database - *) - -(* - * le eccezioni lanciate dalle funzioni init e pgc sono - * definite nel modulo Mathql - *) -open MathQL;; - -(* - * paramentri della connessione - * - * TODO: bisogna scegliere se questi parametri vengono - * passati come argomento - *) -let connection_param = "dbname=helm";; -(*let connection_param = "host=dotto.cs.unibo.it dbname=helm user=helm";;*) - -(* - * connessione al db - *) -let conn = ref None;; - -(* - * controllo sulla connessione - *) -let pgc () = - match !conn with - None -> raise (MQInvalidConnection connection_param) - | Some c -> c -;; - -(* - * inizializzazione della connessione - * - * TODO - * passare i parametri della connessione come argomento di init - *) -let init () = - try ( - conn := Some (new Postgres.connection connection_param); - ) with - _ -> raise (MQConnectionFailed ("init: " ^ connection_param)) -;; - -(* - * chiusura della connessione - *) -let close () = - match !conn with - None -> () - | Some c -> c#close -;;