keith-turner commented on code in PR #113:
URL: https://github.com/apache/accumulo-access/pull/113#discussion_r2933636576
##########
modules/core/src/main/java/org/apache/accumulo/access/impl/AccessEvaluatorImpl.java:
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@@ -43,7 +45,27 @@ public final class AccessEvaluatorImpl implements
AccessEvaluator {
*/
AccessEvaluatorImpl(Predicate<String> authorizationChecker,
AuthorizationValidator authorizationValidator) {
- this.authorizedPredicate = auth ->
authorizationChecker.test(auth.toString());
+
+ // This map helps avoid allocating string objects on each call to this
predicate
+ Map<CharsWrapper,Boolean> checkCache = new ConcurrentHashMap<>();
+ this.authorizedPredicate = auth -> {
+ if (auth instanceof CharsWrapper wrapped) {
+ // Try to avoid allocating a string object and copying the char array.
+ Boolean cachedResult = checkCache.get(wrapped);
Review Comment:
No, the lookup key and insert key are not the same. Need to allocate a key
for insertion.
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