1 files changed, 24 insertions, 0 deletions

diff --git a/subprojects/store-query/src/main/java/tools/refinery/store/query/DnfUtils.java b/subprojects/store-query/src/main/java/tools/refinery/store/query/DnfUtils.java
new file mode 100644
index 00000000..17564d43
--- /dev/null
+++ b/subprojects/store-query/src/main/java/tools/refinery/store/query/DnfUtils.java
@@ -0,0 +1,24 @@
+package tools.refinery.store.query;
+
+import java.util.Map;
+import java.util.UUID;
+
+public final class DnfUtils {
+        private DnfUtils() {
+                throw new IllegalStateException("This is a static utility class and should not be instantiated directly");
+        }
+
+        public static String generateUniqueName(String originalName) {
+                UUID uuid = UUID.randomUUID();
+                String uniqueString = "_" + uuid.toString().replace('-', '_');
+                if (originalName == null) {
+                        return uniqueString;
+                } else {
+                        return originalName + uniqueString;
+                }
+        }
+
+        public static Variable maybeSubstitute(Variable variable, Map<Variable, Variable> substitution) {
+                return substitution.getOrDefault(variable, variable);
+        }
+}