/**
  * Factory method for GET/POST Var Adapter.
  * 
  * @return Tx_PtExtbase_State_GpVars_GpVarsAdapter Singleton instance of GET/POST Var Adapter.
  */
 public function getInstance()
 {
     return $this->gpVarsAdapterFactory->getInstance($this->extbaseContext->getExtensionNamespace());
 }
 /**
  * Get the stateHash.
  * 
  * @return string hash 
  */
 protected static function getStateHash()
 {
     $getPostVarAdapter = Tx_PtExtbase_State_GpVars_GpVarsAdapterFactory::getInstance($extensionNameSpace);
     $stateHash = $getPostVarAdapter->getParametersByNamespace('state');
     return $stateHash;
 }