完整部署快照

ixformer_sdk/core/dispatcher.py

@@ -0,0 +1,20 @@
+class Dispatcher(object):
+    """
+    create object by dispatcher to reuse object.
+    """
+
+    _dispatcher = dict()
+
+    @classmethod
+    def dispatcher(cls, *args, **kwargs):
+        key = cls.dispatcher_key(*args, **kwargs)
+        obj = cls._dispatcher.get(key, None)
+        if obj is None:
+            obj = cls(*args, **kwargs)
+            cls._dispatcher[key] = obj
+
+        return obj
+
+    @classmethod
+    def dispatcher_key(cls, *args, **kwargs):
+        raise NotImplementedError()