1 files changed, 25 insertions, 0 deletions

diff --git a/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/eval/IEvaluatorNode.java b/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/eval/IEvaluatorNode.java
new file mode 100644
index 00000000..177433ab
--- /dev/null
+++ b/subprojects/viatra-runtime-rete/src/main/java/tools/refinery/viatra/runtime/rete/eval/IEvaluatorNode.java
@@ -0,0 +1,25 @@
+/*******************************************************************************
+ * Copyright (c) 2010-2016, Gabor Bergmann, IncQueryLabs Ltd.
+ * 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.eval;
+
+import tools.refinery.viatra.runtime.rete.network.ReteContainer;
+
+/**
+ * This interface is required for the communication between the evaluation core end the evaluator node.
+ * @author Gabor Bergmann
+ * @since 1.5
+ */
+public interface IEvaluatorNode {
+
+    ReteContainer getReteContainer();
+
+    String prettyPrintTraceInfoPatternList();
+    
+
+}