实现 Reactor

src/heurams/kernel/reactor/procession.py

@@ -0,0 +1,37 @@
+import heurams.kernel.particles as pt
+from .states import PhaserState, ProcessionState
+
+class Procession():
+    """队列: 标识单次记忆流程"""
+    def __init__(self, atoms: list, phase: PhaserState, name: str = ""):
+        self.atoms = atoms
+        self.queue = atoms.copy()
+        self.current_atom = atoms[0]
+        self.cursor = 0
+        self.name = name
+        self.phase = phase
+        self.state: ProcessionState = ProcessionState.RUNNING
+
+    def forward(self, step = 1):
+        self.cursor += step
+        if self.cursor == len(self.queue):
+            self.state: ProcessionState = ProcessionState.FINISHED
+        else:
+            self.state: ProcessionState = ProcessionState.RUNNING
+        try:
+            self.current_atom = self.queue[self.cursor]
+            return 1 # 成功
+        except IndexError:
+            return 0
+
+    def append(self, atom = None):
+        if atom == None:
+            self.queue.append(self.current_atom)
+        else:
+            self.queue.append(atom)
+
+    def __len__(self):
+        return (len(self.queue) - self.cursor)
+
+    def is_empty(self):
+        return len(self.queue)