1 files changed, 64 insertions, 0 deletions

diff --git a/subprojects/store-dse/src/main/java/tools/refinery/store/dse/transition/actions/PutActionLiteral.java b/subprojects/store-dse/src/main/java/tools/refinery/store/dse/transition/actions/PutActionLiteral.java
new file mode 100644
index 00000000..86288921
--- /dev/null
+++ b/subprojects/store-dse/src/main/java/tools/refinery/store/dse/transition/actions/PutActionLiteral.java
@@ -0,0 +1,64 @@
+/*
+ * SPDX-FileCopyrightText: 2023 The Refinery Authors <https://refinery.tools/>
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ */
+package tools.refinery.store.dse.transition.actions;
+
+import tools.refinery.store.model.Model;
+import tools.refinery.store.query.term.NodeVariable;
+import tools.refinery.store.representation.Symbol;
+import tools.refinery.store.tuple.Tuple;
+
+import java.util.List;
+
+public class PutActionLiteral<T> extends AbstractActionLiteral {
+        private final Symbol<T> symbol;
+        private final List<NodeVariable> parameters;
+        private final T value;
+
+        public PutActionLiteral(Symbol<T> symbol, T value, List<NodeVariable> parameters) {
+                if (symbol.arity() != parameters.size()) {
+                        throw new IllegalArgumentException("Expected %d parameters for symbol %s, got %d instead"
+                                        .formatted(symbol.arity(), symbol, parameters.size()));
+                }
+                if (value != null && !symbol.valueType().isInstance(value)) {
+                        throw new IllegalArgumentException("Expected value of type %s for symbol %s, got %s of type %s instead"
+                                        .formatted(symbol.valueType().getName(), symbol, value, value.getClass().getName()));
+                }
+                this.symbol = symbol;
+                this.parameters = List.copyOf(parameters);
+                this.value = value;
+        }
+
+        public Symbol<T> getSymbol() {
+                return symbol;
+        }
+
+        public List<NodeVariable> getParameters() {
+                return parameters;
+        }
+
+        public T getValue() {
+                return value;
+        }
+
+        @Override
+        public List<NodeVariable> getInputVariables() {
+                return getParameters();
+        }
+
+        @Override
+        public List<NodeVariable> getOutputVariables() {
+                return List.of();
+        }
+
+        @Override
+        public BoundActionLiteral bindToModel(Model model) {
+                var interpretation = model.getInterpretation(symbol);
+                return tuple -> {
+                        interpretation.put(tuple, value);
+                        return Tuple.of();
+                };
+        }
+}