// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Authors:
//
// Copyright (C) 2006 Jordi Mas i Hernandez <jordimash@gmail.com>
//
using System;
using System.ComponentModel;
using System.Workflow.ComponentModel;
namespace System.Workflow.Activities{
public class StateActivity : CompositeActivity
{
public const string StateChangeTrackingDataKey = "StateActivity.StateChange";
static StateActivity ()
{
}
public StateActivity ()
{
}
public StateActivity (string name)
{
}
//public Activity GetDynamicActivity(string childActivityName);
protected override void Initialize (IServiceProvider provider)
{
base.Initialize (provider);
}
protected override ActivityExecutionStatus Execute (ActivityExecutionContext executionContext)
{
// If there is StateInitializationActivity should go first
StateInitializationActivity init = null;
foreach (Activity activity in Activities) {
if (IsBasedOnType (activity, typeof (StateInitializationActivity))) {
init = (StateInitializationActivity) activity;
ActivitiesToExecute.Enqueue (init);
break;
}
}
foreach (Activity activity in Activities) {
if (activity == init) {
continue;
}
ActivitiesToExecute.Enqueue (activity);
}
NeedsExecution = false;
return ActivityExecutionStatus.Executing;
}
// Private methods
static private bool IsBasedOnType (object obj, Type target)
{
for (Type type = obj.GetType (); type != null; type = type.BaseType) {
if (type == target) {
return true;
}
}
return false;
}
}
}
|