/**
* Validate the parameters accepted by this hydrator
*
* By default, a multipart parameter accepts exactly two parameters:
* - the minimum number of occurrences of the contained part aggregate
* - the maximum number of occurrences of the contained part aggregate
*
* @param array $parameters Parameters
* @return boolean Parameters are valid
*/
public static function validateParameters(...$parameters)
{
// If the number of parameters isn't exactly 2
if (count($parameters) != 2) {
throw new InvalidArgumentException(sprintf('Invalid multipart hydrator parameter count (%s)', count($parameters)), InvalidArgumentException::INVALID_MULTIPART_HYDRATOR_PARAMETER_COUNT);
}
// Validate the occurrence numbers
AbstractPartAggregate::validateOccurrences(intval($parameters[0]), intval($parameters[1]));
return true;
}
/**
* Return a particular part of a particular occurrence
*
* @param int $occurrence Occurrence index
* @param string $part Part identifier
* @return PartInterface Part instance
*/
protected function getOccurrencePart(&$occurrence, &$part)
{
reset($this->occurrences[$occurrence]);
if ($part == self::WILDCARD) {
$part = key($this->occurrences[$occurrence]);
}
return parent::getOccurrencePart($occurrence, $part);
}
