/// <summary>
/// Executes cleanup operation for the action.
/// </summary>
/// <param name="action">The action.</param>
public virtual void ExecuteCleanupForAction(InitializationAction action)
{
if (action == null)
{
throw new ArgumentNullException("action");
}
IDisposable disposableCandidate = action.State as IDisposable;
if (disposableCandidate != null)
{
disposableCandidate.Dispose();
}
}
/// <summary>
/// Executes initialization for the action.
/// </summary>
/// <param name="action">The action.</param>
public virtual void ExecuteInitializationForAction(InitializationAction action)
{
if (action == null)
{
throw new ArgumentNullException("action");
}
InitializationHandler initializationHandler = action.State as InitializationHandler;
if (initializationHandler == null)
{
throw new ArgumentException(string.Format(CultureInfo.InvariantCulture, "Action in not in a proper state. It's 'State' property should be of type '{0}' and should not be null.", typeof(InitializationHandler)));
}
Type[] argumentTypes = new Type[initializationHandler.Arguments.Length];
for (int index = 0; index < initializationHandler.Arguments.Length; ++index)
{
argumentTypes[index] = initializationHandler.Arguments[index].GetType();
}
ConstructorInfo constructor = initializationHandler.Type.GetConstructor(argumentTypes);
if (constructor == null)
{
constructor = initializationHandler.Type.GetConstructor(new[] { typeof(object[]) });
if (constructor == null)
{
throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, "Failed to create an instance of '{0}' type. No constructor found that matches the list of parameters.", initializationHandler.Type.AssemblyQualifiedName));
}
action.State = constructor.Invoke(new object[] { initializationHandler.Arguments });
}
else
{
action.State = constructor.Invoke(initializationHandler.Arguments);
}
IInitializationContextAware contextAwareInitializer = action.State as IInitializationContextAware;
if (contextAwareInitializer != null)
{
contextAwareInitializer.SetInitializationContext(action.Context);
}
}
/// <summary>
/// Performs cleanup.
/// </summary>
/// <param name="id">The id of initialization attempt.</param>
/// <param name="context">The initialization context.</param>
public virtual void Cleanup(int id, object context)
{
IEnumerable <InitializationAction> actionsInOriginalOrder;
lock (this.actions)
{
if (!this.actions.ContainsKey(id))
{
throw new InvalidOperationException("Possible concurrency problem occurred. Seems that Initialize method was not called before clean up.");
}
actionsInOriginalOrder = this.actions[id];
}
Stack <InitializationAction> actionsToExecute = new Stack <InitializationAction>(actionsInOriginalOrder);
while (actionsToExecute.Count > 0)
{
InitializationAction action = actionsToExecute.Pop();
this.initializationActionExecutor.ExecuteCleanupForAction(action);
}
}
