1 files changed, 30 insertions, 0 deletions

diff --git a/subprojects/store-query/src/main/java/tools/refinery/store/query/term/int_/IntArithmeticUnaryTerm.java b/subprojects/store-query/src/main/java/tools/refinery/store/query/term/int_/IntArithmeticUnaryTerm.java
new file mode 100644
index 00000000..1e769259
--- /dev/null
+++ b/subprojects/store-query/src/main/java/tools/refinery/store/query/term/int_/IntArithmeticUnaryTerm.java
@@ -0,0 +1,30 @@
+package tools.refinery.store.query.term.int_;
+
+import tools.refinery.store.query.substitution.Substitution;
+import tools.refinery.store.query.term.Term;
+import tools.refinery.store.query.term.ArithmeticUnaryOperator;
+import tools.refinery.store.query.term.ArithmeticUnaryTerm;
+
+public class IntArithmeticUnaryTerm extends ArithmeticUnaryTerm<Integer> {
+        public IntArithmeticUnaryTerm(ArithmeticUnaryOperator operation, Term<Integer> body) {
+                super(operation, body);
+        }
+
+        @Override
+        public Class<Integer> getType() {
+                return Integer.class;
+        }
+
+        @Override
+        protected Term<Integer> doSubstitute(Substitution substitution, Term<Integer> substitutedBody) {
+                return new IntArithmeticUnaryTerm(getOperator(), substitutedBody);
+        }
+
+        @Override
+        protected Integer doEvaluate(Integer bodyValue) {
+                return switch(getOperator()) {
+                        case PLUS -> bodyValue;
+                        case MINUS -> -bodyValue;
+                };
+        }
+}