Phossa2\Config\Traits\DelegatorWritableTrait

Complexity

Total Complexity

14

Size/Duplication

Total Lines	76
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	2

Importance

Changes	3
Bugs	1	Features	1

4 Methods

Rating	Name	Duplication	Size	Complexity
A	isWritable()	0	12	4
A	setWritable()	0	13	4
A	setRegistryWritableFalse()	0	9	3
A	setRegistryWritableTrue()	0	10	3

<?php
/**
 * Phossa Project
 *
 * PHP version 5.4
 *
 * @category  Library
 * @package   Phossa2\Config
 * @copyright Copyright (c) 2016 phossa.com
 * @license   http://mit-license.org/ MIT License
 * @link      http://www.phossa.com/
 */
/*# declare(strict_types=1); */

namespace Phossa2\Config\Traits;

use Phossa2\Shared\Delegator\DelegatorTrait;
use Phossa2\Config\Interfaces\WritableInterface;

/**
 * DelegatorWritableTrait
 *
 * Writable for delegator
 *
 * @package Phossa2\Config
 * @author  Hong Zhang <phossa@126.com>
 * @see     WritableInterface
 * @version 2.0.8
 * @since   2.0.0 added
 * @since   2.0.7 changed to Delegator\DelegatorTrait
 */
trait DelegatorWritableTrait
{
    use WritableTrait, DelegatorTrait;

    /**
     * Override `isWritable()` in the WritableTrait.
     *
     * Delegator's writability is base on its registries
     *
     * {@inheritDoc}
     */
    public function isWritable()/*# : bool */
    {
        foreach ($this->lookup_pool as $reg) {
            if ($reg instanceof WritableInterface &&
                $reg->isWritable()
            ) {
                $this->setWritable($reg);
                return true;
            }
        }
        return false;
    }

    /**
     * Override `setWritable()` in the WritableTrait
     *
     * {@inheritDoc}
     */
    public function setWritable($writable)
    {
        if ($writable === $this->isWritable()) {
            return $this;
        } elseif (false === $writable) {
            $this->setRegistryWritableFalse();
        } elseif (true === $writable) {
            $this->setRegistryWritableTrue();
        } else {
            $this->writable = $writable;
        }
        return $this;
    }

    /**
     * Set writable to FALSE in all registries
     *
     * @return $this
     * @access protected
     */
    protected function setRegistryWritableFalse()
    {
        foreach ($this->lookup_pool as $reg) {
            if ($reg instanceof WritableInterface) {
                $reg->setWritable(false);
            }
        }
        return $this;
    }

    /**
     * Set writable to TRUE at first matching registry
     *
     * @return $this
     * @access protected
     */
    protected function setRegistryWritableTrue()
    {
        foreach ($this->lookup_pool as $reg) {
            if ($reg instanceof WritableInterface) {
                $reg->setWritable(true);
                break;
            }
        }
        return $this;
    }
}