<?php
/**
 * soluble-japha / PHPJavaBridge driver client.
 *
 * Refactored version of phpjababridge's Java.inc file compatible
 * with php java bridge 6.2
 *
 *
 * @credits   http://php-java-bridge.sourceforge.net/pjb/
 *
 * @see      http://github.com/belgattitude/soluble-japha
 *
 * @author Jost Boekemeier
 * @author Vanvelthem Sébastien (refactoring and fixes from original implementation)
 * @license   MIT
 *
 * The MIT License (MIT)
 * Copyright (c) 2014-2017 Jost Boekemeier
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

namespace Soluble\Japha\Bridge\Driver\Pjb62;

class GlobalRef
{
    /**
     * @var array
     */
    protected $map;

    public function __construct()
    {
        $this->map = [];
    }

    /**
     * @param JavaType|object|null $object
     *
     * @return int|JavaType|object
     */
    public function add($object)
    {
        if (null === $object) {
            return 0;
        }

        return array_push($this->map, $object);
    }

    /**
     * @param int $id
     *
     * @return int|JavaType
     */
    public function get($id)
    {
        if (!$id) {
            return 0;
        }

        return $this->map[--$id];
    }
}
