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gnosygnu_xowa/140_dbs/src/gplx/dbs/Db_crt_.java

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3.1 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; import gplx.*;
import gplx.core.criterias.*;
public class Db_crt_ {
public static final Criteria Wildcard = Criteria_.All;
public static Criteria_fld New_eq (String key, Object val) {return Criteria_fld.new_(key, Criteria_.eq_(val));}
public static Criteria_fld New_eq (String pre, String key, Object val) {return Criteria_fld.new_(pre, key, Criteria_.eq_(val));}
public static Criteria_fld New_eq_not (String key, Object val) {return Criteria_fld.new_(key, Criteria_.eqn_(val));}
public static Criteria_fld New_lt (String key, Comparable val) {return Criteria_fld.new_(key, Criteria_.lt_(val));}
public static Criteria_fld New_lte (String key, Comparable val) {return Criteria_fld.new_(key, Criteria_.lte_(val));}
public static Criteria_fld New_mt (String key, Comparable val) {return Criteria_fld.new_(key, Criteria_.mt_(val));}
public static Criteria_fld New_mte (String key, Comparable val) {return Criteria_fld.new_(key, Criteria_.mte_(val));}
public static Criteria_fld New_between (String key, Comparable lo, Comparable hi) {return Criteria_fld.new_(key, Criteria_.between_(lo, hi));}
public static Criteria_fld New_in (String key, Object... vals) {return Criteria_fld.new_(key, Criteria_.in_(vals));}
public static Criteria_fld New_like (String key, String pattern) {return Criteria_fld.new_(key, Criteria_.like_(pattern));}
public static Criteria eq_many_(String... ary) {
Criteria rv = null;
int len = ary.length;
for (int i = 0; i < len; i++) {
Criteria crt = Db_crt_.New_eq(ary[i], null);
rv = (i == 0)? crt : Criteria_.And(rv, crt);
}
return rv;
}
public static Criteria eq_many_wo_null(String... ary) {
Criteria rv = null;
int len = ary.length;
int crt_idx = 0;
for (int i = 0; i < len; i++) {
String itm = ary[i]; if (itm == Dbmeta_fld_itm.Key_null) continue;
Criteria crt = Db_crt_.New_eq(itm, null);
rv = (crt_idx == 0) ? crt : Criteria_.And(rv, crt);
++crt_idx;
}
return rv;
}
public static Criteria eq_many_(KeyVal... array) {
Criteria rv = null;
for (int i = 0; i < array.length; i++) {
KeyVal pair = array[i];
Criteria crt = Db_crt_.New_eq(pair.Key(), pair.Val());
rv = (i == 0)? crt : Criteria_.And(rv, crt);
}
return rv;
}
public static Criteria_fld wrap_(String key, Criteria crt) {return Criteria_fld.new_(key, crt);}
}