<?php

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);
}
}