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gnosygnu_xowa/140_dbs/src/gplx/dbs/diffs/builds/Gfdb_diff_bldr.java

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1.8 KiB

/*
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.diffs.builds; import gplx.*; import gplx.dbs.*; import gplx.dbs.diffs.*;
import gplx.dbs.*;
public class Gfdb_diff_bldr {
private Gfdb_diff_rdr_comparer rdr_comparer = new Gfdb_diff_rdr_comparer();
private Gfdb_diff_wkr diff_wkr;
public void Init(Gfdb_diff_wkr diff_wkr) {this.diff_wkr = diff_wkr;}
public void Compare(Gdif_bldr_ctx ctx, Gfdb_diff_tbl tbl, Db_conn old_conn, Db_conn new_conn) {
Db_rdr old_rdr = tbl.Make_rdr(old_conn), new_rdr = tbl.Make_rdr(new_conn);
rdr_comparer.Init_rdrs(tbl, old_rdr, new_rdr);
diff_wkr.Init_rdrs(ctx, tbl, old_rdr, new_rdr);
boolean loop = true;
while (loop) {
int rslt = rdr_comparer.Compare();
switch (rslt) {
case Gfdb_diff_rdr_comparer.Rslt__same: diff_wkr.Handle_same(); break;
case Gfdb_diff_rdr_comparer.Rslt__old_missing: diff_wkr.Handle_old_missing(); break;
case Gfdb_diff_rdr_comparer.Rslt__new_missing: diff_wkr.Handle_new_missing(); break;
case Gfdb_diff_rdr_comparer.Rslt__done: loop = false; break;
}
}
diff_wkr.Term_tbls();
}
}