Archives/gnosygnu_xowa
1
0
Fork 0
mirror of https://github.com/gnosygnu/xowa.git synced 2026-03-02 03:49:30 +00:00
Code Issues Projects Releases Wiki Activity

v3.2.1.1

Browse Source
This commit is contained in:
gnosygnu
2016-02-07 23:20:20 -05:00
parent 6d179ca59d
commit de67253a9c
215 changed files with 3387 additions and 2055 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
140_dbs/src/gplx/dbs/sys/Db_sys_mgr.java Normal file
View File

@@ -0,0 +1,39 @@
/*
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.sys; import gplx.*; import gplx.dbs.*;
import gplx.core.primitives.*;
public class Db_sys_mgr {
private final Db_conn conn;
private final Db_sys_tbl sys_tbl;
private boolean assert_exists = true;
public Db_sys_mgr(Db_conn conn) {
this.conn = conn;
sys_tbl = new Db_sys_tbl(conn);
}
public int Autonum_next(String tbl, String fld) {return Autonum_next(String_.Concat(tbl, ".", fld));}
public int Autonum_next(String key) {
if (assert_exists) Assert_exists();
int rv = sys_tbl.Assert_int_or(key, 1);
sys_tbl.Update_int(key, rv + 1);
return rv;
}
private void Assert_exists() {
assert_exists = false;
if (!conn.Meta_tbl_exists(sys_tbl.Tbl_name())) sys_tbl.Create_tbl();
}
}

34
140_dbs/src/gplx/dbs/sys/Db_sys_mgr_tst.java Normal file
View File

@@ -0,0 +1,34 @@
/*
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.sys; import gplx.*; import gplx.dbs.*;
import org.junit.*;
public class Db_sys_mgr_tst {
private final Db_sys_mgr_fxt fxt = new Db_sys_mgr_fxt();
@Test public void FetchNextId() {
fxt.Test__autonum_next("tbl_1.fld", 1); // default to "1" on first creation
fxt.Test__autonum_next("tbl_1.fld", 2); // read "2" from db
}
}
class Db_sys_mgr_fxt {
private final Db_sys_mgr sys_mgr;
public Db_sys_mgr_fxt() {
Db_conn conn = Db_conn_pool.Instance.Get_or_new(Db_conn_info_.mem_("test"));
sys_mgr = new Db_sys_mgr(conn);
}
public void Test__autonum_next(String key, int expd) {Tfds.Eq_int(expd, sys_mgr.Autonum_next(key));}
}

68
140_dbs/src/gplx/dbs/sys/Db_sys_tbl.java Normal file
View File

@@ -0,0 +1,68 @@
/*
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.sys; import gplx.*; import gplx.dbs.*;
class Db_sys_tbl implements Rls_able {
private final String tbl_name = "gfdb_sys";
private String fld_key, fld_val;
private final Dbmeta_fld_list flds = Dbmeta_fld_list.new_();
private final Db_conn conn; private Db_stmt stmt_insert, stmt_update, stmt_select;
public Db_sys_tbl(Db_conn conn) {
this.conn = conn;
fld_key = flds.Add_str_pkey("sys_key", 255); fld_val = flds.Add_text("sys_val");
conn.Rls_reg(this);
}
public String Tbl_name() {return tbl_name;}
public void Create_tbl() {conn.Ddl_create_tbl(Dbmeta_tbl_itm.New(tbl_name, flds));}
public int Assert_int_or(String key, int or) {
String rv = Assert_str_or(key, Int_.To_str(or));
try {return Int_.parse(rv);}
catch (Exception e) {Err_.Noop(e); return or;}
}
public String Assert_str_or(String key, String or) {
if (stmt_select == null) stmt_select = conn.Stmt_select(tbl_name, flds, fld_key);
Db_rdr rdr = stmt_select.Clear().Crt_str(fld_key, key).Exec_select__rls_manual();
try {
if (rdr.Move_next())
return rdr.Read_str(fld_val);
else {
Insert_str(key, or);
return or;
}
} finally {rdr.Rls();}
}
public void Update_int(String key, int val) {Update_str(key, Int_.To_str(val));}
private void Update_str(String key, String val) {
if (stmt_update == null) stmt_update = conn.Stmt_update(tbl_name, String_.Ary(fld_key), fld_val);
stmt_update.Clear()
.Val_str(fld_val , val)
.Crt_str(fld_key , key)
.Exec_update();
}
private void Insert_str(String key, String val) {
if (stmt_insert == null) stmt_insert = conn.Stmt_insert(tbl_name, flds);
stmt_insert.Clear()
.Val_str(fld_key , key)
.Val_str(fld_val , val)
.Exec_insert();
}
public void Rls() {
stmt_insert = Db_stmt_.Rls(stmt_insert);
stmt_update = Db_stmt_.Rls(stmt_update);
stmt_select = Db_stmt_.Rls(stmt_select);
}
}