1 files changed, 18 insertions, 0 deletions

diff --git a/subprojects/store-dse/src/main/java/tools/refinery/store/dse/transition/statespace/ActivationStore.java b/subprojects/store-dse/src/main/java/tools/refinery/store/dse/transition/statespace/ActivationStore.java
new file mode 100644
index 00000000..52e0611d
--- /dev/null
+++ b/subprojects/store-dse/src/main/java/tools/refinery/store/dse/transition/statespace/ActivationStore.java
@@ -0,0 +1,18 @@
+/*
+ * SPDX-FileCopyrightText: 2023 The Refinery Authors <https://refinery.tools/>
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ */
+package tools.refinery.store.dse.transition.statespace;
+
+import tools.refinery.store.dse.transition.VersionWithObjectiveValue;
+import tools.refinery.store.map.Version;
+
+import java.util.Random;
+
+public interface ActivationStore {
+        record VisitResult(boolean successfulVisit, boolean mayHaveMore, int transformation, int activation) { }
+        VisitResult markNewAsVisited(VersionWithObjectiveValue to, int[] emptyEntrySizes);
+        boolean hasUnmarkedActivation(VersionWithObjectiveValue version);
+        VisitResult getRandomAndMarkAsVisited(VersionWithObjectiveValue version, Random random);
+}