added redis adapter

python_repositories/interfaces/connection_aware_interface.py

@@ -0,0 +1,23 @@
+"""Definition of ConnectionAwareInterface abstract base class."""
+
+from abc import ABC, abstractmethod
+
+
+class ConnectionAwareInterface(ABC):
+    """Interface that defines connection-related methods."""
+
+    @abstractmethod
+    def connect(self) -> None:
+        """Connect to resource."""
+        raise NotImplementedError()
+
+    @abstractmethod
+    def disconnect(self) -> None:
+        """Disconnect from resource."""
+        raise NotImplementedError()
+
+    @property
+    @abstractmethod
+    def is_connected(self) -> bool:
+        """Check if connected to resource."""
+        raise NotImplementedError()