Github user aledsage commented on a diff in the pull request:
https://github.com/apache/incubator-brooklyn/pull/617#discussion_r30499409
--- Diff: api/src/main/java/brooklyn/mementos/BrooklynMementoPersister.java
---
@@ -97,10 +97,13 @@
/** @deprecated since 0.7.0, use {@link
#checkpoint(BrooklynMementoRawData, PersistenceExceptionHandler)}
* and javadoc on implementations of that */ @Deprecated // pretty
sure this is not used outwith deprecated code
void checkpoint(BrooklynMemento memento, PersistenceExceptionHandler
exceptionHandler);
-
- void checkpoint(BrooklynMementoRawData newMemento,
PersistenceExceptionHandler exceptionHandler);
+ /** applies a full checkpoint (write) of all state */
+ void checkpoint(BrooklynMementoRawData newMemento,
PersistenceExceptionHandler exceptionHandler);
+ /** applies a partial write of state delta */
void delta(Delta delta, PersistenceExceptionHandler exceptionHandler);
+ /** inserts an additional delta to be written on the next delta
request */
+ void queueDelta(Delta delta);
--- End diff --
We already have the `PeriodicDeltaChangeListener`, which wraps calls to
`persister.delta`. It handles queues, and does smart stuff like if you do a
modify then a remove within the same time period, it will discard the modify
and just do the remove.
Should we try to reuse `PeriodicDeltaChangeListener` somehow, rather than
having `queueDelta` here?
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