试图移植

src/heurams/kernel/reactor/procession.py

@@ -26,12 +26,18 @@ class Procession():
 
     def append(self, atom = None):
         if atom == None:
-            self.queue.append(self.current_atom)
-        else:
-            self.queue.append(atom)
+            atom = self.current_atom
+        if self.queue[len(self.queue) - 1] != atom or len(self) <= 1:
+                self.queue.append(atom)
 
     def __len__(self):
         return (len(self.queue) - self.cursor)
+    
+    def process(self):
+        return (self.cursor)
+    
+    def total_length(self):
+        return len(self.queue)
 
     def is_empty(self):
         return len(self.queue)