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Source: Restore broken commit

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gnosygnu
2017-02-06 22:14:55 -05:00
parent 938beac9f9
commit 3bfeb94b43
4380 changed files with 328018 additions and 0 deletions
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140_dbs/src/gplx/dbs/Dbmeta_fld_itm.java Normal file
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/*
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; import gplx.*;
import gplx.dbs.metas.*;
public class Dbmeta_fld_itm {
public Dbmeta_fld_itm(String name, Dbmeta_fld_tid type) {
this.name = name; this.type = type;
this.primary = false; this.autonum = false; this.default_val = Default_value_null;
}
public String Name() {return name;} private final String name;
public Dbmeta_fld_tid Type() {return type;} private final Dbmeta_fld_tid type;
public int Nullable_tid() {return nullable_tid;} public Dbmeta_fld_itm Nullable_tid_(int v) {nullable_tid = v; return this;} private int nullable_tid;
public Dbmeta_fld_itm Nullable_y_() {return Nullable_tid_(Nullable_null);}
public boolean Primary() {return primary;} public Dbmeta_fld_itm Primary_y_() {primary = true; return this;} private boolean primary; public Dbmeta_fld_itm Primary_n_() {primary = false; return this;}
public boolean Autonum() {return autonum;} public Dbmeta_fld_itm Autonum_y_() {autonum = true; return this;} private boolean autonum;
public Object Default() {return default_val;} public Dbmeta_fld_itm Default_(Object v) {default_val = v; return this;} private Object default_val;
public boolean Eq(Dbmeta_fld_itm comp) {
return String_.Eq(name, comp.name)
&& type.Eq(comp.type)
&& nullable_tid == comp.nullable_tid
&& primary == comp.primary
&& autonum == comp.autonum
&& Object_.Eq(default_val, comp.default_val);
}
public static final int Nullable_unknown = 0, Nullable_null = 1, Nullable_not_null = 2;
public static final Object Default_value_null = null;
public static final String Key_null = null;
public static final String[] Str_ary_empty = String_.Ary_empty;
public static final Dbmeta_fld_itm[] Ary_empty = new Dbmeta_fld_itm[0];
public static Dbmeta_fld_itm new_bool(String name) {return new Dbmeta_fld_itm(name, Dbmeta_fld_tid.Itm__bool);}
public static Dbmeta_fld_itm new_byte(String name) {return new Dbmeta_fld_itm(name, Dbmeta_fld_tid.Itm__byte);}
public static Dbmeta_fld_itm new_short(String name) {return new Dbmeta_fld_itm(name, Dbmeta_fld_tid.Itm__short);}
public static Dbmeta_fld_itm new_int(String name) {return new Dbmeta_fld_itm(name, Dbmeta_fld_tid.Itm__int);}
public static Dbmeta_fld_itm new_long(String name) {return new Dbmeta_fld_itm(name, Dbmeta_fld_tid.Itm__long);}
public static Dbmeta_fld_itm new_float(String name) {return new Dbmeta_fld_itm(name, Dbmeta_fld_tid.Itm__float);}
public static Dbmeta_fld_itm new_double(String name) {return new Dbmeta_fld_itm(name, Dbmeta_fld_tid.Itm__double);}
public static Dbmeta_fld_itm new_text(String name) {return new Dbmeta_fld_itm(name, Dbmeta_fld_tid.Itm__text);}
public static Dbmeta_fld_itm new_bry(String name) {return new Dbmeta_fld_itm(name, Dbmeta_fld_tid.Itm__bry);}
public static Dbmeta_fld_itm new_str(String name, int len) {return new Dbmeta_fld_itm(name, Dbmeta_fld_tid.Itm__str(len));}
public static String[] To_str_ary(Dbmeta_fld_itm[] ary) {
int len = ary.length;
String[] rv = new String[len];
for (int i = 0; i < len; ++i)
rv[i] = ary[i].name;
return rv;
}
public static String Make_or_null(Db_conn conn, Dbmeta_fld_list flds, String tbl_name, int fld_type, Object fld_dflt, String fld_name) {
boolean tbl_exists = conn.Meta_tbl_exists(tbl_name);
boolean fld_exists = true;
if (tbl_exists) {
fld_exists = conn.Meta_fld_exists(tbl_name, fld_name);
if (!fld_exists) return Dbmeta_fld_itm.Key_null;
}
Dbmeta_fld_itm fld = null;
switch (fld_type) {
case Dbmeta_fld_tid.Tid__int: fld = Dbmeta_fld_itm.new_int(fld_name); break;
}
if (fld_dflt != null) fld.Default_(fld_dflt);
flds.Add(fld);
return fld.name;
}
public static String To_double_str_by_int(int v) {return Int_.To_str(v) + ".0";}
}