{

public static bool execute(KevoreeCoreBean originCore, IContainerNodeMarshalled rootNode, AdaptationModel adaptionModel, NodeType nodeInstance, Func<bool> afterUpdateFunc, Func<bool> preRollBack, Func<bool> postRollback)

{

var processedActions = new HashSet<AdaptationPrimitive>();

bool success = true;

foreach (AdaptationPrimitive action in adaptionModel.ToArray())

{

processedActions.Add(action);

var resultAction = processAction(action, nodeInstance);

if (!resultAction)

{

success = false;

break;

}

}

if (!success)

{

originCore.getLogger().Error("Adaptation failed");

foreach (var act in processedActions.Reverse())

{

processUndoAction(act, nodeInstance);

}

}

else

{

originCore.getLogger().Debug("Adaptation succeeded");

}

return success;

}

private static bool processAction(AdaptationPrimitive action, NodeType nodeInstance)

{

var primitive = nodeInstance.getPrimitive(action);

return primitive.Execute();

}

private static void processUndoAction(AdaptationPrimitive action, NodeType nodeInstance)

{

var primitive = nodeInstance.getPrimitive(action);

primitive.Undo();

}