42 lines
1.0 KiB
Java
42 lines
1.0 KiB
Java
/*
|
|
* opsu!dance - fork of opsu! with cursordance auto
|
|
* Copyright (C) 2017 yugecin
|
|
*
|
|
* opsu!dance is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* opsu!dance 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with opsu!dance. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
package yugecin.opsudance.utils;
|
|
|
|
public class CachedVariable<T> {
|
|
|
|
private T value;
|
|
private Getter<T> getter;
|
|
|
|
public CachedVariable(Getter<T> getter) {
|
|
this.getter = getter;
|
|
}
|
|
|
|
public T get() {
|
|
if (getter != null) {
|
|
value = getter.get();
|
|
getter = null;
|
|
}
|
|
return value;
|
|
}
|
|
|
|
public interface Getter<T> {
|
|
T get();
|
|
}
|
|
|
|
}
|