xyuanlu commented on code in PR #2619:
URL: https://github.com/apache/helix/pull/2619#discussion_r1333612621
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meta-client/src/main/java/org/apache/helix/metaclient/impl/zk/ZkMetaClientCache.java:
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@@ -81,14 +106,47 @@ public int countDirectChildren(final String key) {
throw new MetaClientException("Not implemented yet.");
}
- @Override
- public List<T> get(List<String> keys) {
- throw new MetaClientException("Not implemented yet.");
+ private void handleCacheUpdate(String path, ChildChangeListener.ChangeType
changeType) {
+ switch (changeType) {
+ case ENTRY_CREATED:
+ // Not implemented yet.
+ break;
+ case ENTRY_DELETED:
+ // Not implemented yet.
+ break;
+ case ENTRY_DATA_CHANGE:
+ modifyDataInCache(path);
+ break;
+ default:
+ LOG.error("Unknown change type: " + changeType);
+ }
}
- @Override
- public List<Stat> exists(List<String> keys) {
- throw new MetaClientException("Not implemented yet.");
+ private void modifyDataInCache(String path) {
+ if (_cacheData) {
+ T dataRecord = _cacheClient.readData(path, true);
Review Comment:
Call back already give you data, no need to read again.
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