/**
* Validates that an implementation of IStreamProvider2 exists and
* load it.
*
* @return void
*
* @throws ODataException
*/
private function _loadAndValidateStreamProvider2()
{
$maxServiceVersion = $this->_service->getConfiguration()->getMaxDataServiceVersion();
if ($maxServiceVersion->compare(new Version(3, 0)) < 0) {
throw ODataException::createInternalServerError(Messages::streamProviderWrapperMaxProtocolVersionMustBeV3OrAboveToSupportNamedStreams());
}
if (is_null($this->_streamProvider)) {
$this->_loadStreamProvider();
if (is_null($this->_streamProvider)) {
throw ODataException::createInternalServerError(Messages::streamProviderWrapperMustImplementStreamProvider2ToSupportNamedStreams());
} else {
if (!$this->_streamProvider instanceof IStreamProvider2) {
throw ODataException::createInternalServerError(Messages::streamProviderWrapperInvalidStream2Instance());
}
}
}
}