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/* ********************************************************************
 * Copyright (C) 2019  51Degrees Mobile Experts Limited.
 *
 * 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 .
 * ******************************************************************** */

package fiftyone.caching;

import java.io.Closeable;
import java.io.IOException;
import java.lang.reflect.Array;

public class ArrayCache implements PutCache {

    private final V[] array;

    public ArrayCache(int capacity, Class type) {
        array = (V[]) Array.newInstance(type, capacity);
    }

    @Override
    public void put(Integer key, V value) {
        array[key] = value;
    }

    public long getCacheSize() {
        return array.length;
    }

    public long getCacheMisses() {
        return 0;
    }

    public long getCacheRequests() {
        return 0;
    }

    public double getPercentageMisses() {
        return 0;
    }

    public void resetCache() {
        for (int i = 0; i < array.length; i++) {
            array[i] = null;
        }
    }

    @Override
    public V get(Integer key) {
        return array[key];
    }

    @Override
    public void close() throws IOException {

    }
}