#238: Introduce bare-bones Solver class

goalie/__init__.py

@@ -7,6 +7,7 @@
 from goalie.mesh_seq import *  # noqa
 from goalie.options import *  # noqa
 from goalie.point_seq import *  # noqa
+from goalie.solver import *  # noqa
 from goalie.function_data import *  # noqa
 from goalie.error_estimation import *  # noqa
 

goalie/solver.py

@@ -0,0 +1,18 @@
+from abc import ABC, abstractmethod
+
+
+class Solver(ABC):
+    @abstractmethod
+    def get_function_spaces(self, mesh):
+        pass
+
+    @abstractmethod
+    def get_initial_condition(self, mesh_seq):
+        pass
+
+    @abstractmethod
+    def get_solver(self, mesh_seq, index):
+        pass
+
+    def get_qoi(self, mesh_seq):
+        return None