<?php

/*

 * Copyright 2011 Johannes M. Schmitt <schmittjoh@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.

 */

namespace Metadata;

/**

 * Base class for class metadata.

 *

 * This class is intended to be extended to add your own application specific

 * properties, and flags.

 *

 * @author Johannes M. Schmitt <schmittjoh@gmail.com>

 */

class ClassMetadata implements \Serializable

{

    public $name;

    public $reflection;

    public $methodMetadata = array();

    public $propertyMetadata = array();

    public $fileResources = array();

    public $createdAt;

    public function __construct($name)

    {

        $this->name = $name;

        $this->reflection = new \ReflectionClass($name);

        $this->createdAt = time();

    }

    public function addMethodMetadata(MethodMetadata $metadata)

    {

        $this->methodMetadata[$metadata->name] = $metadata;

    }

    public function addPropertyMetadata(PropertyMetadata $metadata)

    {

        $this->propertyMetadata[$metadata->name] = $metadata;

    }

    public function isFresh($timestamp = null)

    {

        if (null === $timestamp) {

            $timestamp = $this->createdAt;

        }

        foreach ($this->fileResources as $filepath) {

            if (!file_exists($filepath)) {

                return false;

            }

            if ($timestamp < filemtime($filepath)) {

                return false;

            }

        }

        return true;

    }

    public function serialize()

    {

        return serialize(array(

            $this->name,

            $this->methodMetadata,

            $this->propertyMetadata,

            $this->fileResources,

            $this->createdAt,

        ));

    }

    public function unserialize($str)

    {

        list(

            $this->name,

            $this->methodMetadata,

            $this->propertyMetadata,

            $this->fileResources,

            $this->createdAt

        ) = unserialize($str);

        $this->reflection = new \ReflectionClass($this->name);

    }

}