1 files changed, 33 insertions, 0 deletions

diff --git a/store/src/main/java/tools/refinery/data/query/internal/RelationalEngineContext.java b/store/src/main/java/tools/refinery/data/query/internal/RelationalEngineContext.java
new file mode 100644
index 00000000..08ab8927
--- /dev/null
+++ b/store/src/main/java/tools/refinery/data/query/internal/RelationalEngineContext.java
@@ -0,0 +1,33 @@
+package tools.refinery.data.query.internal;
+
+import org.eclipse.viatra.query.runtime.api.scope.IBaseIndex;
+import org.eclipse.viatra.query.runtime.api.scope.IEngineContext;
+import org.eclipse.viatra.query.runtime.matchers.context.IQueryRuntimeContext;
+
+import tools.refinery.data.model.Model;
+
+public class RelationalEngineContext implements IEngineContext{
+        private final IBaseIndex baseIndex = new DummyBaseIndexer();
+        private final RelationalRuntimeContext runtimeContext;
+        
+
+        public RelationalEngineContext(Model model, RelationUpdateListener updateListener) {
+                runtimeContext = new RelationalRuntimeContext(model, updateListener);
+        }
+
+        @Override
+        public IBaseIndex getBaseIndex() {
+                return this.baseIndex;
+        }
+
+        @Override
+        public void dispose() {
+                //lifecycle not controlled by engine
+        }
+
+        @Override
+        public IQueryRuntimeContext getQueryRuntimeContext() {
+                return runtimeContext;
+        }
+
+}