1 files changed, 19 insertions, 0 deletions

diff --git a/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/network/Tunnel.java b/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/network/Tunnel.java
new file mode 100644
index 00000000..f238f47b
--- /dev/null
+++ b/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/network/Tunnel.java
@@ -0,0 +1,19 @@
+/*******************************************************************************
+ * Copyright (c) 2004-2008 Gabor Bergmann 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.network;
+
+/**
+ * @author Gabor Bergmann
+ * 
+ *         A Tunnel is an interface into which elments can be instered and from which productions can be extracted.
+ */
+public interface Tunnel extends Supplier, Receiver {
+
+}