1 files changed, 43 insertions, 0 deletions

diff --git a/subprojects/store-dse/src/main/java/tools/refinery/store/dse/transition/objectives/CompositeCriterion.java b/subprojects/store-dse/src/main/java/tools/refinery/store/dse/transition/objectives/CompositeCriterion.java
new file mode 100644
index 00000000..5746cc7e
--- /dev/null
+++ b/subprojects/store-dse/src/main/java/tools/refinery/store/dse/transition/objectives/CompositeCriterion.java
@@ -0,0 +1,43 @@
+/*
+ * SPDX-FileCopyrightText: 2023 The Refinery Authors <https://refinery.tools/>
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ */
+package tools.refinery.store.dse.transition.objectives;
+
+import tools.refinery.store.model.ModelStore;
+import tools.refinery.store.model.ModelStoreBuilder;
+import tools.refinery.store.query.literal.Reduction;
+
+import java.util.*;
+
+public abstract sealed class CompositeCriterion implements Criterion permits AndCriterion, OrCriterion {
+        private final List<Criterion> criteria;
+
+        protected CompositeCriterion(Collection<? extends Criterion> criteria) {
+                var deDuplicatedCriteria = new LinkedHashSet<Criterion>();
+                for (var criterion : criteria) {
+                        if (criterion.getClass() == this.getClass()) {
+                                var childCriteria = ((CompositeCriterion) criterion).getCriteria();
+                                deDuplicatedCriteria.addAll(childCriteria);
+                        } else {
+                                deDuplicatedCriteria.add(criterion);
+                        }
+                }
+                this.criteria = List.copyOf(deDuplicatedCriteria);
+        }
+
+        public List<Criterion> getCriteria() {
+                return criteria;
+        }
+
+        @Override
+        public abstract Reduction getReduction(ModelStore store);
+
+        @Override
+        public void configure(ModelStoreBuilder storeBuilder) {
+                for (var criterion : criteria) {
+                        criterion.configure(storeBuilder);
+                }
+        }
+}