1 files changed, 22 insertions, 0 deletions

diff --git a/subprojects/logic/src/main/java/tools/refinery/logic/valuation/MapBasedValuation.java b/subprojects/logic/src/main/java/tools/refinery/logic/valuation/MapBasedValuation.java
new file mode 100644
index 00000000..be1862d2
--- /dev/null
+++ b/subprojects/logic/src/main/java/tools/refinery/logic/valuation/MapBasedValuation.java
@@ -0,0 +1,22 @@
+/*
+ * SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/>
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ */
+package tools.refinery.logic.valuation;
+
+import tools.refinery.logic.term.AnyDataVariable;
+import tools.refinery.logic.term.DataVariable;
+
+import java.util.Map;
+
+record MapBasedValuation(Map<AnyDataVariable, Object> values) implements Valuation {
+        @Override
+        public <T> T getValue(DataVariable<T> variable) {
+                if (!values.containsKey(variable)) {
+                        throw new IllegalArgumentException("No value for variable %s".formatted(variable));
+                }
+                var value = values.get(variable);
+                return variable.getType().cast(value);
+        }
+}