<?php

namespace Metadata;

/**
* Represents the metadata for the entire class hierarchy.
*
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
*/
class ClassHierarchyMetadata
{
public $classMetadata = array();

public function addClassMetadata(ClassMetadata $metadata)
{
$this->classMetadata[$metadata->name] = $metadata;
}

public function getRootClassMetadata()
{
return reset($this->classMetadata);
}

public function getOutsideClassMetadata()
{
return end($this->classMetadata);
}

public function isFresh($timestamp)
{
foreach ($this->classMetadata as $metadata) {
if (!$metadata->isFresh($timestamp)) {
return false;
}
}

return true;
}
}