From f87c2dbb9b1f96506828fc971bc2c6872c2530d3 Mon Sep 17 00:00:00 2001
From: Valentin Boettcher <hiro@protagon.space>
Date: Thu, 13 Jan 2022 14:18:22 +0100
Subject: [PATCH] make the key an abstract property

---
 stocproc/stocproc.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/stocproc/stocproc.py b/stocproc/stocproc.py
index e4d6b8a..d42968f 100644
--- a/stocproc/stocproc.py
+++ b/stocproc/stocproc.py
@@ -95,7 +95,6 @@ class StocProc(abc.ABC):
         self.t_max = t_max
         self.num_grid_points = num_grid_points
         self.t = np.linspace(0, t_max, num_grid_points)
-        self.key = "generic"
         self._z = None
         self._interpolator = None
         self._interpolator_dot = None
@@ -114,6 +113,10 @@ class StocProc(abc.ABC):
             )
         )
 
+    @abc.abstractproperty
+    def key(self):
+        pass
+
     def __call__(self, t=None):
         r"""Evaluates the stochastic process.