commit 2aea316f85e68b4e4739b61260faf5ed91552d5f
author Jacek Lewandowski <lewandowski.jacek@gmail.com> Thu Dec 16 08:24:19 2021 +0100
committer mck <mck@apache.org> Thu Jan 13 14:09:05 2022 +0100
tree 9d7e39bd2b41020c2322274bd0f0f01a61651a1a
parent be0c1289bd7710a26a78025d29879642afde0e96

Add IInstance.isValid() with default true return value

 patch by Jacek Lewandowski; reviewed by Mick Semb Wever for CASSANDRA-17214

src/main/java/org/apache/cassandra/distributed/api/IInstance.java

diff --git a/src/main/java/org/apache/cassandra/distributed/api/IInstance.java b/src/main/java/org/apache/cassandra/distributed/api/IInstance.java
index 2ff0842..0606572 100644
--- a/src/main/java/org/apache/cassandra/distributed/api/IInstance.java
+++ b/src/main/java/org/apache/cassandra/distributed/api/IInstance.java
@@ -19,7 +19,6 @@
 package org.apache.cassandra.distributed.api;
 
 import java.net.InetSocketAddress;
-import java.util.List;
 import java.util.UUID;
 import java.util.concurrent.Executor;
 import java.util.concurrent.Future;
@@ -52,6 +51,14 @@
 
     boolean isShutdown();
 
+    /**
+     * Returns true if we can perform any operation or retrieve information from this instance
+     */
+    default boolean isValid()
+    {
+        return true;
+    }
+
     Future<Void> shutdown();
 
     Future<Void> shutdown(boolean graceful);