mirror of
https://codeberg.org/Freeyourgadget/Gadgetbridge
synced 2024-09-11 00:36:32 +02:00
67 lines
2.0 KiB
Java
67 lines
2.0 KiB
Java
/* Copyright (C) 2015-2021 Andreas Shimokawa, Daniel Dakhno, Daniele Gobbetti,
|
|
Julien Pivotto
|
|
|
|
This file is part of Gadgetbridge.
|
|
|
|
Gadgetbridge 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.
|
|
|
|
Gadgetbridge 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 nodomain.freeyourgadget.gadgetbridge.util;
|
|
|
|
import android.util.Pair;
|
|
|
|
import java.util.Iterator;
|
|
import java.util.LinkedList;
|
|
|
|
public class LimitedQueue {
|
|
private final int limit;
|
|
private LinkedList<Pair> list = new LinkedList<>();
|
|
|
|
public LimitedQueue(int limit) {
|
|
this.limit = limit;
|
|
}
|
|
|
|
synchronized public void add(int id, Object obj) {
|
|
if (list.size() > limit - 1) {
|
|
list.removeFirst();
|
|
}
|
|
list.add(new Pair<>(id, obj));
|
|
}
|
|
|
|
synchronized public void remove(int id) {
|
|
for (Iterator<Pair> iter = list.iterator(); iter.hasNext(); ) {
|
|
Pair pair = iter.next();
|
|
if ((Integer) pair.first == id) {
|
|
iter.remove();
|
|
}
|
|
}
|
|
}
|
|
|
|
synchronized public Object lookup(int id) {
|
|
for (Pair entry : list) {
|
|
if (id == (Integer) entry.first) {
|
|
return entry.second;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
synchronized public Object lookupByValue(Object value){
|
|
for (Pair entry : list) {
|
|
if (value.equals(entry.second)) {
|
|
return entry.first;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
}
|