1 files changed, 18 insertions, 0 deletions

diff --git a/subprojects/store-query/src/main/java/tools/refinery/store/query/literal/Connectivity.java b/subprojects/store-query/src/main/java/tools/refinery/store/query/literal/Connectivity.java
new file mode 100644
index 00000000..a058094d
--- /dev/null
+++ b/subprojects/store-query/src/main/java/tools/refinery/store/query/literal/Connectivity.java
@@ -0,0 +1,18 @@
+/*
+ * SPDX-FileCopyrightText: 2023 The Refinery Authors <https://refinery.tools/>
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ */
+package tools.refinery.store.query.literal;
+
+import java.util.Locale;
+
+public enum Connectivity {
+        WEAK,
+        STRONG;
+
+        @Override
+        public String toString() {
+                return name().toLowerCase(Locale.ROOT);
+        }
+}