/*
* Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
*
* This file is part of Loop Habit Tracker.
*
* Loop Habit Tracker 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.
*
* Loop Habit Tracker 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.isoron.uhabits.models.memory;
import android.support.annotation.*;
import org.isoron.uhabits.models.*;
import java.util.*;
/**
* In-memory implementation of {@link CheckmarkList}.
*/
public class MemoryCheckmarkList extends CheckmarkList
{
LinkedList<Checkmark> list;
public MemoryCheckmarkList(Habit habit)
{
super(habit);
list = new LinkedList<>();
}
@Override
public void add(List<Checkmark> checkmarks)
{
list.addAll(checkmarks);
Collections.sort(list, (c1, c2) -> c2.compareNewer(c1));
}
@NonNull
@Override
public List<Checkmark> getByInterval(long fromTimestamp, long toTimestamp)
{
compute(fromTimestamp, toTimestamp);
List<Checkmark> filtered = new LinkedList<>();
for (Checkmark c : list)
if (c.getTimestamp() >= fromTimestamp &&
c.getTimestamp() <= toTimestamp) filtered.add(c);
return filtered;
}
@Override
public void invalidateNewerThan(long timestamp)
{
LinkedList<Checkmark> invalid = new LinkedList<>();
for (Checkmark c : list)
if (c.getTimestamp() >= timestamp) invalid.add(c);
list.removeAll(invalid);
}
@Override
protected Checkmark getOldestComputed()
{
if(list.isEmpty()) return null;
return list.getLast();
}
@Override
protected Checkmark getNewestComputed()
{
if(list.isEmpty()) return null;
return list.getFirst();
}
}