--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Implab/ActionChainTask.cs	Sun Mar 08 02:52:27 2015 +0300
@@ -0,0 +1,23 @@
+using System;
+
+namespace Implab {
+    public class ActionChainTask : ActionChainTaskBase, IDeferred {
+        readonly Func<IPromise> m_task;
+
+        public ActionChainTask(Func<IPromise> task, Func<Exception, IPromise> error, Func<Exception, IPromise> cancel) : base(error,cancel) {
+            m_task = task;
+        }
+
+        public void Resolve() {
+            if (m_task != null && LockCancelation()) {
+                try {
+                    Observe(m_task());
+                } catch(Exception err) {
+                    HandleErrorInternal(err);
+                }
+            }
+        }
+
+    }
+}
+