1 files changed, 38 insertions, 0 deletions

diff --git a/subprojects/store-reasoning/src/main/java/tools/refinery/store/reasoning/refinement/ConcreteSymbolRefiner.java b/subprojects/store-reasoning/src/main/java/tools/refinery/store/reasoning/refinement/ConcreteSymbolRefiner.java
new file mode 100644
index 00000000..ebb9b824
--- /dev/null
+++ b/subprojects/store-reasoning/src/main/java/tools/refinery/store/reasoning/refinement/ConcreteSymbolRefiner.java
@@ -0,0 +1,38 @@
+/*
+ * SPDX-FileCopyrightText: 2023 The Refinery Authors <https://refinery.tools/>
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ */
+package tools.refinery.store.reasoning.refinement;
+
+import tools.refinery.store.model.Interpretation;
+import tools.refinery.store.reasoning.ReasoningAdapter;
+import tools.refinery.store.reasoning.representation.PartialSymbol;
+import tools.refinery.store.representation.Symbol;
+import tools.refinery.store.tuple.Tuple;
+
+import java.util.Objects;
+
+public class ConcreteSymbolRefiner<A, C> extends AbstractPartialInterpretationRefiner<A, C> {
+        private final Interpretation<A> interpretation;
+
+        public ConcreteSymbolRefiner(ReasoningAdapter adapter, PartialSymbol<A, C> partialSymbol,
+                                                                 Symbol<A> concreteSymbol) {
+                super(adapter, partialSymbol);
+                interpretation = adapter.getModel().getInterpretation(concreteSymbol);
+        }
+
+        @Override
+        public boolean merge(Tuple key, A value) {
+                var currentValue = interpretation.get(key);
+                var mergedValue = getPartialSymbol().abstractDomain().commonRefinement(currentValue, value);
+                if (!Objects.equals(currentValue, mergedValue)) {
+                        interpretation.put(key, mergedValue);
+                }
+                return true;
+        }
+
+        public static <A1, C1> Factory<A1, C1> of(Symbol<A1> concreteSymbol) {
+                return (adapter, partialSymbol) -> new ConcreteSymbolRefiner<>(adapter, partialSymbol, concreteSymbol);
+        }
+}