Revert "Merge pull request #15577 from vespa-engine/revert-15575-bratseth/apply-on-restart-take-9"

This reverts commit b9f054f862e6fc7bdbf41b9404605e2a8ad6b249, reversing
changes made to 535b586bae36880259a792e2292f02b8495950fe.

1 files changed, 13 insertions, 0 deletions

diff --git a/config-lib/src/main/java/com/yahoo/config/ConfigInstance.java b/config-lib/src/main/java/com/yahoo/config/ConfigInstance.java
index 04405839a9b..43fb52dcd72 100644
--- a/config-lib/src/main/java/com/yahoo/config/ConfigInstance.java
+++ b/config-lib/src/main/java/com/yahoo/config/ConfigInstance.java
@@ -1,9 +1,16 @@
 // Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
 package com.yahoo.config;
 
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
+import java.util.logging.Level;
+
+import com.yahoo.config.codegen.CNode;
+import com.yahoo.config.codegen.InnerCNode;
+import com.yahoo.config.codegen.LeafCNode;
 
 /**
  * Represents an instance of an application config with a specific configId.
@@ -17,6 +24,7 @@ public abstract class ConfigInstance extends InnerNode {
 
         /**
          * Dispatches a getConfig() call if this instance's producer is of the right type
+         *
          * @param producer a config producer
          * @return true if this instance's producer was the correct type, and hence a getConfig call was dispatched
          */
@@ -26,6 +34,11 @@ public abstract class ConfigInstance extends InnerNode {
         String getDefNamespace();
         String getDefMd5();
 
+        /** Returns true if this instance should be applied on restart, false if it should be applied immediately */
+        default boolean getApplyOnRestart() { return false; }
+
+        default void setApplyOnRestart(boolean applyOnRestart) { throw new java.lang.UnsupportedOperationException(); }
+
     }
 
     public interface Producer {}