/*
 * Copyright 2020 John Grosh (john.a.grosh@gmail.com).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.jagrosh.vortex.utils;

import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.stream.Collectors;

/**
 *
 * @author John Grosh (john.a.grosh@gmail.com)
 */
public class Usage
{
    private final HashMap<Long,Integer> map = new HashMap<>();
    
    public void increment(long key)
    {
        map.put(key, map.getOrDefault(key, 0) + 1);
    }
    
    public Map<Long,Integer> getMap()
    {
        return map;
    }
    
    public List<Entry<Long,Integer>> higher(int val)
    {
        return map.entrySet().stream().filter(e -> e.getValue() >= val).collect(Collectors.toList());
    }
}
