xyuanlu commented on code in PR #2623:
URL: https://github.com/apache/helix/pull/2623#discussion_r1333562328
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meta-client/src/main/java/org/apache/helix/metaclient/api/MetaClientCacheInterface.java:
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@@ -27,19 +27,29 @@ public interface MetaClientCacheInterface<T> extends
MetaClientInterface<T> {
/**
* TrieNode class to store the children of the entries to be cached.
*/
- class TrieNode {
+ public class TrieNode {
// A mapping between trie key and children nodes.
private Map<String, TrieNode> _children;
// the complete path/prefix leading to the current node.
private final String _path;
private final String _nodeKey;
+ private boolean _childrenCached;
- TrieNode(String path, String nodeKey) {
+ public TrieNode(String path, String nodeKey) {
_path = path;
_nodeKey = nodeKey;
_children = new HashMap<>();
+ _childrenCached = false;
+ }
+
+ public boolean isChildrenCached() {
Review Comment:
Consider AtomicBoolean
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