1 files changed, 10 insertions, 0 deletions

diff --git a/model-data/src/main/java/org/eclipse/viatra/solver/data/map/VersionedMapStore.java b/model-data/src/main/java/org/eclipse/viatra/solver/data/map/VersionedMapStore.java
new file mode 100644
index 00000000..d92e5ad6
--- /dev/null
+++ b/model-data/src/main/java/org/eclipse/viatra/solver/data/map/VersionedMapStore.java
@@ -0,0 +1,10 @@
+package org.eclipse.viatra.solver.data.map;
+
+public interface VersionedMapStore<KEY, VALUE> {
+        
+        public VersionedMap<KEY, VALUE> createMap();
+
+        public VersionedMap<KEY, VALUE> createMap(long state) throws IllegalAccessException;
+
+        public DiffCursor<KEY,VALUE> getDiffCursor(long fromState, long toState);
+}
\ No newline at end of file