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37 lines
1.5 KiB
Java
37 lines
1.5 KiB
Java
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/*
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XOWA: the XOWA Offline Wiki Application
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Copyright (C) 2012 gnosygnu@gmail.com
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package gplx.dbs; import gplx.*;
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public class Db_conn_bldr {
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private Db_conn_bldr_wkr wkr;
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public void Reg_default_sqlite() {wkr = Db_conn_bldr_wkr__sqlite.I; wkr.Clear_for_tests();}
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public void Reg_default_mem() {wkr = Db_conn_bldr_wkr__mem.I; wkr.Clear_for_tests();}
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public boolean Exists(Io_url url) {return wkr.Exists(url);}
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public Db_conn Get(Io_url url) {return wkr.Get(url);}
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public Db_conn New(Io_url url) {return wkr.New(url);}
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public Db_conn_bldr_data Get_or_new(Io_url url) {
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boolean exists = wkr.Exists(url);
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Db_conn conn = exists ? Get(url) : New(url);
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return new Db_conn_bldr_data(conn, exists);
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}
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public Db_conn Get_or_noop(Io_url url) {
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Db_conn rv = wkr.Get(url);
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return rv == null ? Db_conn_.Noop : rv;
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}
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public static final Db_conn_bldr I = new Db_conn_bldr(); Db_conn_bldr() {}
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}
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