OETrialModule.php

<?php

class OETrialModule extends CWebModule
{
    public function init()
    {
        // this method is called when the module is being created
        // you may place code here to customize the module or the application

        // import the module-level models and components
        $this->setImport(array(
            'OETrial.models.*',
            'OETrial.components.*',
            'OETrial.controllers.*',
            'OECaseSearch.components.DBProviderInterface',
            'OECaseSearch.models.CaseSearchParameter'
        ));
    }

    public function beforeControllerAction($controller, $action)
    {
        if (parent::beforeControllerAction($controller, $action)) {
            // this method is called before any module controller action is performed
            // you may place customized code here
            return true;
        } else {
            return false;
        }
    }
}