From adbe74d6ea891e5bbac48c07f5e2876a828a9334 Mon Sep 17 00:00:00 2001
From: David Trattnig <david.trattnig@o94.at>
Date: Tue, 27 Oct 2020 19:48:19 +0100
Subject: [PATCH] Engine as singleton. #43 #44
---
modules/core/engine.py | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/modules/core/engine.py b/modules/core/engine.py
index 37267c26..9b47200c 100644
--- a/modules/core/engine.py
+++ b/modules/core/engine.py
@@ -44,6 +44,7 @@ class Engine():
"""
The Engine.
"""
+ instance = None
engine_time_offset = 0.0
logger = None
@@ -68,6 +69,9 @@ class Engine():
Args:
config (AuraConfig): The configuration
"""
+ if Engine.instance:
+ raise Exception("Engine is already running!")
+ Engine.instance = self
self.config = config
self.plugins = dict()
self.logger = logging.getLogger("AuraEngine")
@@ -178,6 +182,14 @@ class Engine():
return SU.timestamp() + Engine.engine_time_offset
+ @staticmethod
+ def get_instance():
+ """
+ Returns the one and only engine.
+ """
+ return Engine.instance
+
+
def terminate(self):
"""
Terminates the engine and all related processes.
--
GitLab