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gnosygnu_xowa/140_dbs/src/gplx/dbs/engines/Db_engine.java
2015-06-21 23:25:42 -04:00

44 lines
1.8 KiB
Java

/*
XOWA: the XOWA Offline Wiki Application
Copyright (C) 2012 gnosygnu@gmail.com
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package gplx.dbs.engines; import gplx.*; import gplx.dbs.*;
public interface Db_engine {
String Tid();
Db_conn_info Conn_info();
Db_engine New_clone(Db_conn_info url);
Db_rdr New_rdr__rls_manual (Object rdr_obj, String sql); // Object o:ResultSet if desktop; Cursor if android
Db_rdr New_rdr__rls_auto (Db_stmt stmt, Object rdr_obj, String sql); // Object o:ResultSet if desktop; Cursor if android
Db_stmt New_stmt_prep(Db_qry qry);
Object New_stmt_prep_as_obj(String sql);
DataRdr New_rdr(java.sql.ResultSet rdr, String sql);
void Txn_bgn(String name);
void Txn_end();
void Txn_cxl();
void Txn_sav();
void Conn_open();
void Conn_term();
Object Exec_as_obj(Db_qry qry);
void Ddl_create_tbl(Db_meta_tbl meta);
void Ddl_create_idx(Gfo_usr_dlg usr_dlg, Db_meta_idx... ary);
void Ddl_append_fld(String tbl, Db_meta_fld fld);
void Ddl_delete_tbl(String tbl);
void Env_db_attach(String alias, Io_url db_url);
void Env_db_detach(String alias);
boolean Meta_tbl_exists(String tbl);
boolean Meta_fld_exists(String tbl, String fld);
}