1 files changed, 14 insertions, 0 deletions
diff --git a/clustercontroller-core/src/main/java/com/yahoo/vespa/clustercontroller/core/listeners/NodeAddedOrRemovedListener.java b/clustercontroller-core/src/main/java/com/yahoo/vespa/clustercontroller/core/listeners/NodeAddedOrRemovedListener.java
new file mode 100644
index 00000000000..bf5e41495e1
--- /dev/null
+++ b/clustercontroller-core/src/main/java/com/yahoo/vespa/clustercontroller/core/listeners/NodeAddedOrRemovedListener.java
@@ -0,0 +1,14 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.vespa.clustercontroller.core.listeners;
+
+import com.yahoo.vespa.clustercontroller.core.NodeInfo;
+
+/**
+ * Listeners for new nodes detected.
+ */
+public interface NodeAddedOrRemovedListener {
+    void handleNewNode(NodeInfo node);
+    void handleMissingNode(NodeInfo node);
+    void handleNewRpcAddress(NodeInfo node);
+    void handleReturnedRpcAddress(NodeInfo node);
+}