/**
* Ask data service to load stream provider instance.
*
* @return void
*
* @throws ODataException
*/
private function _loadStreamProvider()
{
if (is_null($this->_streamProvider)) {
$maxServiceVersion = $this->_service->getConfiguration()->getMaxDataServiceVersion();
if ($maxServiceVersion->compare(new Version(3, 0)) >= 0) {
$this->_streamProvider = $this->_service->getService('IStreamProvider2');
if (!is_null($this->_streamProvider) && (!is_object($this->_streamProvider) || !$this->_streamProvider instanceof IStreamProvider2)) {
throw ODataException::createInternalServerError(Messages::streamProviderWrapperInvalidStream2Instance());
}
}
if (is_null($this->_streamProvider)) {
$this->_streamProvider = $this->_service->getService('IStreamProvider');
if (!is_null($this->_streamProvider) && (!is_object($this->_streamProvider) || !$this->_streamProvider instanceof IStreamProvider)) {
throw ODataException::createInternalServerError(Messages::streamProviderWrapperInvalidStreamInstance());
}
}
}
}
