jiajunwang commented on a change in pull request #1154:
URL: https://github.com/apache/helix/pull/1154#discussion_r494674523
##########
File path:
helix-core/src/main/java/org/apache/helix/spectator/RoutingTableProvider.java
##########
@@ -403,16 +407,35 @@ public RoutingTableSnapshot
getRoutingTableSnapshot(PropertyType propertyType, S
return snapshots;
}
+
/**
* Add RoutingTableChangeListener with user defined context
* @param routingTableChangeListener
* @param context user defined context
*/
public void addRoutingTableChangeListener(
final RoutingTableChangeListener routingTableChangeListener, Object
context) {
+ addRoutingTableChangeListener(routingTableChangeListener, context, false);
+ }
+
+ /**
+ * Add RoutingTableChangeListener with user defined context
+ * @param routingTableChangeListener
+ * @param context user defined context
+ * @param isTriggerCallback whether to trigger the initial callback during
adding listener
+ */
+ public void addRoutingTableChangeListener(
+ final RoutingTableChangeListener routingTableChangeListener, Object
context,
+ boolean isTriggerCallback) {
_routingTableChangeListenerMap.put(routingTableChangeListener, new
ListenerContext(context));
- logger.info("Attach RoutingTableProviderChangeListener {}",
- routingTableChangeListener.getClass().getName());
+ logger.info("Attach RoutingTableProviderChangeListener {}.",
+ routingTableChangeListener.getClass().getName(), isTriggerCallback);
+ if (isTriggerCallback) {
+ logger.info("The isTriggerCallback value for the listener is true");
Review comment:
What I meant is that we can log something like "Force triggering a
callback for the new listener" here. So the log does not care about the name of
the parameter "isTriggerCallback".
##########
File path:
helix-core/src/main/java/org/apache/helix/spectator/RoutingTableProvider.java
##########
@@ -403,16 +407,35 @@ public RoutingTableSnapshot
getRoutingTableSnapshot(PropertyType propertyType, S
return snapshots;
}
+
/**
* Add RoutingTableChangeListener with user defined context
* @param routingTableChangeListener
* @param context user defined context
*/
public void addRoutingTableChangeListener(
final RoutingTableChangeListener routingTableChangeListener, Object
context) {
+ addRoutingTableChangeListener(routingTableChangeListener, context, false);
+ }
+
+ /**
+ * Add RoutingTableChangeListener with user defined context
+ * @param routingTableChangeListener
+ * @param context user defined context
+ * @param isTriggerCallback whether to trigger the initial callback during
adding listener
+ */
+ public void addRoutingTableChangeListener(
+ final RoutingTableChangeListener routingTableChangeListener, Object
context,
+ boolean isTriggerCallback) {
_routingTableChangeListenerMap.put(routingTableChangeListener, new
ListenerContext(context));
- logger.info("Attach RoutingTableProviderChangeListener {}",
- routingTableChangeListener.getClass().getName());
+ logger.info("Attach RoutingTableProviderChangeListener {}.",
+ routingTableChangeListener.getClass().getName(), isTriggerCallback);
Review comment:
nit, remove the isTriggerCallback that is not used in the log.
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