Github user neykov commented on a diff in the pull request:
https://github.com/apache/brooklyn-server/pull/462#discussion_r94985394
--- Diff:
core/src/main/java/org/apache/brooklyn/core/config/BasicConfigInheritance.java
---
@@ -170,12 +324,103 @@ public String getConflictResolutionStrategy() {
return conflictResolutionStrategy;
}
+ @Deprecated /** @deprecated since 0.10.0 when it was introduced,
prefer {@link #getLocalDefaultResolvesWithAncestorValue()} */
public boolean getUseLocalDefaultValue() {
- return useLocalDefaultValue;
+ return getLocalDefaultResolvesWithAncestorValue();
+ }
+
+ /** see {@link #localDefaultResolvesWithAncestorValue} */
+ public boolean getLocalDefaultResolvesWithAncestorValue() {
+ if (localDefaultResolvesWithAncestorValue==null) {
+ // in case some legacy path is using an improperly
deserialized object
+ log.warn("Encountered legacy "+this+" with null
localDefaultResolvesWithAncestorValue; transforming", new Throwable("stack
trace for legacy "+this));
+ readResolve();
+ }
+ return localDefaultResolvesWithAncestorValue;
+ }
+
+ public boolean getAncestorDefaultInheritable() {
+ if (ancestorDefaultInheritable==null) {
+ log.warn("Encountered legacy "+this+" with null
ancestorDefaultInheritable; transforming", new Throwable("stack trace for
legacy "+this));
+ readResolve();
+ }
+ return ancestorDefaultInheritable;
+ }
+
+ // standard deserialization method
+ private ConfigInheritance readResolve() {
+ try {
+ if (useLocalDefaultValue!=null) {
+ // move away from useLocalDefaultValue to
localDefaultResolvesWithAncestorValue
+
+ Field fNew =
getClass().getDeclaredField("localDefaultResolvesWithAncestorValue");
+ fNew.setAccessible(true);
+ Field fOld =
getClass().getDeclaredField("useLocalDefaultValue");
+ fOld.setAccessible(true);
+
+ if (fNew.get(this)==null) {
+ fNew.set(this, useLocalDefaultValue);
+ } else {
+ if (!fNew.get(this).equals(useLocalDefaultValue)) {
+ throw new IllegalStateException("Incompatible
values detected for "+fOld+" ("+fOld.get(this)+") and "+fNew+"
("+fNew.get(this)+")");
+ }
+ }
+ fOld.set(this, null);
+ }
+
+ if (ancestorDefaultInheritable==null) {
+ Field f =
getClass().getDeclaredField("ancestorDefaultInheritable");
+ f.setAccessible(true);
+ f.set(this, true);
+ }
--- End diff --
Could you add a comment describing why the use of reflection - can't figure
it out.
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