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1 files changed, 29 insertions, 0 deletions

diff --git a/container-search/src/main/java/com/yahoo/search/cluster/PingableSearcher.java b/container-search/src/main/java/com/yahoo/search/cluster/PingableSearcher.java
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+++ b/container-search/src/main/java/com/yahoo/search/cluster/PingableSearcher.java
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+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.search.cluster;
+
+import com.yahoo.component.ComponentId;
+import com.yahoo.prelude.Ping;
+import com.yahoo.prelude.Pong;
+import com.yahoo.search.Searcher;
+import com.yahoo.search.searchchain.Execution;
+
+/**
+ * A searcher to which we can send a ping to probe if it is alive
+ *
+ * @author <a href="mailto:bratseth@yahoo-inc.com">Jon Bratseth</a>
+ */
+public abstract class PingableSearcher extends Searcher {
+
+    public PingableSearcher() {
+    }
+
+    public PingableSearcher(ComponentId id) {
+        super(id);
+    }
+
+    /** Send a ping request downwards to probe if this searcher chain is in functioning order */
+    public Pong ping(Ping ping, Execution execution) {
+        return execution.ping(ping);
+    }
+
+}