1 files changed, 62 insertions, 0 deletions

diff --git a/subprojects/interpreter-rete/src/main/java/tools/refinery/interpreter/rete/network/Node.java b/subprojects/interpreter-rete/src/main/java/tools/refinery/interpreter/rete/network/Node.java
new file mode 100644
index 00000000..e7faf374
--- /dev/null
+++ b/subprojects/interpreter-rete/src/main/java/tools/refinery/interpreter/rete/network/Node.java
@@ -0,0 +1,62 @@
+/*******************************************************************************
+ * 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.interpreter.rete.network;
+
+import java.util.Set;
+
+import tools.refinery.interpreter.rete.network.communication.CommunicationTracker;
+import tools.refinery.interpreter.rete.traceability.TraceInfo;
+
+/**
+ * A node of a rete network, should be uniquely identified by network and nodeId. NodeId can be requested by registering
+ * at the Network on construction.
+ *
+ * @author Gabor Bergmann
+ */
+public interface Node {
+    /**
+     * @return the network this node belongs to.
+     */
+    ReteContainer getContainer();
+
+    /**
+     * @return the identifier unique to this node within the network.
+     */
+    long getNodeId();
+
+    /**
+     * Assigns a descriptive tag to the node
+     */
+    void setTag(Object tag);
+
+    /**
+     * @return the tag of the node
+     */
+    Object getTag();
+
+    /**
+     * @return unmodifiable view of the list of traceability infos assigned to this node
+     */
+    Set<TraceInfo> getTraceInfos();
+
+    /**
+     * assigns new traceability info to this node
+     */
+    void assignTraceInfo(TraceInfo traceInfo);
+    /**
+     * accepts traceability info propagated to this node
+     */
+    void acceptPropagatedTraceInfo(TraceInfo traceInfo);
+
+    default CommunicationTracker getCommunicationTracker() {
+        return getContainer().getCommunicationTracker();
+    }
+
+}