public function isEqualTo($query)
{
if (!$query instanceof self) {
$query = new self($query);
}
return $this->hash === $query->getHash();
}
/**
* Create a tree hash from a content body
*
* @param string|resource|EntityBody $content Content to create a tree hash for
* @param string $algorithm A valid hash algorithm name as returned by `hash_algos()`
*
* @return TreeHash
*/
public static function fromContent($content, $algorithm = self::DEFAULT_ALGORITHM)
{
$treeHash = new self($algorithm);
// Read the data in 1MB chunks and add to tree hash
$content = EntityBody::factory($content);
while ($data = $content->read(Size::MB)) {
$treeHash->addData($data);
}
// Pre-calculate hash
$treeHash->getHash();
return $treeHash;
}
