internal IStateManager ResolveStateManager(StateManagerConfiguration stateManagerConfiguration)
{
var stateManagerKey = stateManagerConfiguration.StateNamespace;
if (_resolvedStateManagers.TryGetValue(stateManagerConfiguration.StateNamespace, out var stateManager))
{
return(stateManager);
}
return(CreateAndCacheStateManager(stateManagerConfiguration));;
}
private StateManagementMiddleware UseState(StateManagerConfiguration stateManagerConfiguration, Action <StateManagerConfigurationBuilder> configure = null)
{
if (stateManagerConfiguration == null)
{
throw new ArgumentNullException(nameof(stateManagerConfiguration));
}
configure?.Invoke(new StateManagerConfigurationBuilder(stateManagerConfiguration));
_configuredStateManagers[stateManagerConfiguration.StateNamespace] = stateManagerConfiguration;
_autoLoadEnabled = stateManagerConfiguration.AutoLoad;
return(this);
}
private IStateManager CreateAndCacheStateManager(StateManagerConfiguration stateManagerConfiguration)
{
if (stateManagerConfiguration == null)
{
throw new ArgumentNullException(nameof(stateManagerConfiguration));
}
if (!_availableStateStores.TryGetValue(stateManagerConfiguration.StateStoreName, out var configuredStateStore))
{
if (stateManagerConfiguration.StateManagerType != null)
{
throw new InvalidOperationException($"State manager of type \"{stateManagerConfiguration.StateManagerType.FullName}\" was configured to use a state store named \"{stateManagerConfiguration.StateStoreName}\", but no such named state store was configured. Please check your middleware configuration.");
}
throw new InvalidOperationException($"State manager for namespace \"{stateManagerConfiguration.StateNamespace}\" was configured to use a state store named \"{stateManagerConfiguration.StateStoreName}\", but no such named state store was configured. Please check your middleware configuration.");
}
var stateManager = default(IStateManager);
if (stateManagerConfiguration.StateManagerType != null)
{
if (stateManagerConfiguration.Factory != null)
{
stateManager = stateManagerConfiguration.Factory(_turnContext, configuredStateStore);
}
else
{
try
{
stateManager = (IStateManager)Activator.CreateInstance(stateManagerConfiguration.StateManagerType, configuredStateStore);
}
catch (Exception createException)
{
throw new Exception($"Failed to create an instance of a typed state manager: {stateManagerConfiguration.StateManagerType.FullName}. Please check the inner exception for more details.", createException);
}
}
}
else
{
stateManager = new StateManager(stateManagerConfiguration.StateNamespace, configuredStateStore);
}
_resolvedStateManagers.Add(stateManagerConfiguration.StateNamespace, stateManager);
return(stateManager);
}
internal StateManagerConfigurationBuilder(StateManagerConfiguration configuration)
{
Configuration = configuration;
}
