/**
* create metadata
*
* @throws InvalidOperationException
*
* @return NorthWindMetadata
*/
public static function create()
{
$db_name = ServiceConfig::GetServiceInfo('db_name');
DB::connect(ServiceConfig::GetServiceInfo('server'), $db_name, ServiceConfig::GetServiceInfo('user'), ServiceConfig::GetServiceInfo('password'));
$metadata = new ServiceBaseMetadata('DefaultEntities', $db_name);
$tables = DB::table("select `table_name`,`table_type` from information_schema.tables where `table_schema`='{$db_name}';");
foreach ($tables as $table) {
$postsEntityType = $metadata->addEntityType(new ReflectionClass('EmptyEntity'), $table['table_name']);
}
return $metadata;
}
/**
* This function is initializes the properties of Dispatcher class.
*
* @return Object of WebOperationContext class
*/
function __construct()
{
try {
$this->_dataServiceHost = new DataServiceHost();
} catch (\Exception $exception) {
self::_handleException($exception->getMessage(), $exception->getStatusCode());
}
try {
ServiceConfig::validateAndGetsServiceInfo($this->_getServiceNameFromRequestUri(), $this->_serviceInfo);
$this->_dataServiceHost->setAbsoluteServiceUri($this->_serviceInfo['SERVICE_BASEURL']);
} catch (ODataException $exception) {
self::_handleException($exception->getMessage(), $exception->getStatusCode());
}
}
/**
* Constructs a new instance of WordPressQueryProvider
*
*/
public function __construct()
{
DB::Connect(ServiceConfig::GetServiceInfo('server'), ServiceConfig::GetServiceInfo('db_name'), ServiceConfig::GetServiceInfo('user'), ServiceConfig::GetServiceInfo('password'));
}
/**
* This function perform the following steps:
* 1) Resolve and validate the service
* 2) Creates the instance of requested service
* 3) Calls the handleRequest() to process the request
* 4) Calls the handleresponse() to sendback the o/p to the client
*
* @return void
*/
public function dispatch()
{
$dataService = null;
try {
$reflectionClass = new \ReflectionClass(ServiceConfig::GetServiceInfo("classname"));
$dataService = $reflectionClass->newInstance();
} catch (\Exception $exception) {
$this->_handleException($exception->getMessage(), HttpStatus::CODE_INTERNAL_SERVER_ERROR);
}
$interfaces = class_implements($dataService);
if (array_key_exists('ODataProducer\\IDataService', $interfaces)) {
$dataService->setHost($this->_dataServiceHost);
if (array_key_exists('ODataProducer\\IRequestHandler', $interfaces)) {
// DataService::handleRequest will never throw an error
// All exception that can occur while parsing the request and
// serializing the result will be handled by
// DataService::handleRequest
$dataService->handleRequest();
} else {
$this->_handleException(Messages::dispatcherServiceClassShouldImplementIRequestHandler(), HttpStatus::CODE_INTERNAL_SERVER_ERROR);
}
} else {
$this->_handleException(Messages::dispatcherServiceClassShouldImplementIDataService(), HttpStatus::CODE_INTERNAL_SERVER_ERROR);
}
$this->_writeResponse($dataService->getHost()->getWebOperationContext()->outgoingResponse());
}
