ProviderTenantService providerResourceService = ExtensionLoader.getExtension(ProviderTenantService.class, <provider_name>);
providerResourceService.setApplicationContext(applicationContext);
ProviderTenantService providerResourceService = ExtensionLoader.getExtension(ProviderTenantService.class, <provider_name>);
providerResourceService.setApplicationContext(applicationContext);