1 files changed, 37 insertions, 0 deletions

diff --git a/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/single/CallbackNode.java b/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/single/CallbackNode.java
new file mode 100644
index 00000000..c68036b5
--- /dev/null
+++ b/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/single/CallbackNode.java
@@ -0,0 +1,37 @@
+/*******************************************************************************
+ * Copyright (c) 2010-2012, Bergmann Gabor, Istvan Rath and Daniel Varro
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-v20.html.
+ * 
+ * SPDX-License-Identifier: EPL-2.0
+ *******************************************************************************/
+package tools.refinery.viatra.runtime.rete.single;
+
+import tools.refinery.viatra.runtime.matchers.backend.IUpdateable;
+import tools.refinery.viatra.runtime.matchers.tuple.Tuple;
+import tools.refinery.viatra.runtime.matchers.util.Direction;
+import tools.refinery.viatra.runtime.rete.misc.SimpleReceiver;
+import tools.refinery.viatra.runtime.rete.network.ReteContainer;
+import tools.refinery.viatra.runtime.rete.network.communication.Timestamp;
+
+/**
+ * @author Bergmann Gabor
+ * 
+ */
+public class CallbackNode extends SimpleReceiver {
+
+    IUpdateable updateable;
+
+    public CallbackNode(ReteContainer reteContainer, IUpdateable updateable) 
+    {
+        super(reteContainer);
+        this.updateable = updateable;
+    }
+
+    @Override
+    public void update(Direction direction, Tuple updateElement, Timestamp timestamp) {
+        updateable.update(updateElement, direction == Direction.INSERT);
+    }
+
+}