1 files changed, 27 insertions, 0 deletions

diff --git a/subprojects/store-query/src/main/java/tools/refinery/store/query/substitution/Substitutions.java b/subprojects/store-query/src/main/java/tools/refinery/store/query/substitution/Substitutions.java
new file mode 100644
index 00000000..26cf1a20
--- /dev/null
+++ b/subprojects/store-query/src/main/java/tools/refinery/store/query/substitution/Substitutions.java
@@ -0,0 +1,27 @@
+package tools.refinery.store.query.substitution;
+
+import tools.refinery.store.query.Variable;
+
+import java.util.Map;
+
+public final class Substitutions {
+        private Substitutions() {
+                throw new IllegalStateException("This is a static utility class and should not be instantiate directly");
+        }
+
+        public static Substitution total(Map<Variable, Variable> map) {
+                return new MapBasedSubstitution(map, StatelessSubstitution.FAILING);
+        }
+
+        public static Substitution partial(Map<Variable, Variable> map) {
+                return new MapBasedSubstitution(map, StatelessSubstitution.IDENTITY);
+        }
+
+        public static Substitution renewing(Map<Variable, Variable> map) {
+                return new MapBasedSubstitution(map, renewing());
+        }
+
+        public static Substitution renewing() {
+                return new RenewingSubstitution();
+        }
+}