1 files changed, 16 insertions, 0 deletions

diff --git a/subprojects/store-query/src/main/java/tools/refinery/store/query/term/ArithmeticUnaryOperator.java b/subprojects/store-query/src/main/java/tools/refinery/store/query/term/ArithmeticUnaryOperator.java
new file mode 100644
index 00000000..6a7c25db
--- /dev/null
+++ b/subprojects/store-query/src/main/java/tools/refinery/store/query/term/ArithmeticUnaryOperator.java
@@ -0,0 +1,16 @@
+package tools.refinery.store.query.term;
+
+public enum ArithmeticUnaryOperator {
+        PLUS("+"),
+        MINUS("-");
+
+        private final String prefix;
+
+        ArithmeticUnaryOperator(String prefix) {
+                this.prefix = prefix;
+        }
+
+        public String formatString(String body) {
+                return "%s(%s)".formatted(prefix, body);
+        }
+}