Revert "Merge pull request #15581 from vespa-engine/revert-15578-bratseth/apply-on-restart-take-10"

This reverts commit 4cf13bc7db215e77f7688e429f700880c115fe76, reversing
changes made to e21f385bd4f21326608f3a69325df4e96d4a65e5.

1 files changed, 6 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..113e622a503 100644
--- a/config-lib/src/main/java/com/yahoo/config/ConfigInstance.java
+++ b/config-lib/src/main/java/com/yahoo/config/ConfigInstance.java
@@ -17,6 +17,7 @@ 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 +27,11 @@ 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 {}