From 91ddb3672e514fa9824609ff047d7cab0c65631a Mon Sep 17 00:00:00 2001
From: Gustaf Rydholm <gustaf.rydholm@gmail.com>
Date: Tue, 9 Apr 2024 00:14:00 +0200
Subject: Refactor

---
 rag/generator/abstract.py | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 rag/generator/abstract.py

(limited to 'rag/generator/abstract.py')

diff --git a/rag/generator/abstract.py b/rag/generator/abstract.py
new file mode 100644
index 0000000..a53b5d8
--- /dev/null
+++ b/rag/generator/abstract.py
@@ -0,0 +1,19 @@
+from abc import ABC, abstractmethod
+
+from typing import Any, Generator
+
+from .prompt import Prompt
+
+
+class AbstractGenerator(ABC, type):
+    _instances = {}
+
+    def __call__(cls, *args, **kwargs):
+        if cls not in cls._instances:
+            instance = super().__call__(*args, **kwargs)
+            cls._instances[cls] = instance
+        return cls._instances[cls]
+
+    @abstractmethod
+    def generate(self, prompt: Prompt) -> Generator[Any, Any, Any]:
+        pass
-- 
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