ex172000 commented on code in PR #14808:
URL: https://github.com/apache/kafka/pull/14808#discussion_r1401350219
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clients/src/main/java/org/apache/kafka/common/security/authenticator/CredentialCache.java:
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@@ -16,53 +16,59 @@
*/
package org.apache.kafka.common.security.authenticator;
+import org.apache.kafka.common.security.scram.ScramCache;
+
import java.util.concurrent.ConcurrentHashMap;
public class CredentialCache {
- private final ConcurrentHashMap<String, Cache<?>> cacheMap = new
ConcurrentHashMap<>();
+ private final ConcurrentHashMap<String, Cache> cacheMap = new
ConcurrentHashMap<>();
+
+ public Cache createCache(String mechanism) {
+ Cache credentials = new Cache();
+ Cache oldCredentials = cacheMap.putIfAbsent(mechanism, credentials);
+ return oldCredentials == null ? credentials : oldCredentials;
+ }
- public <C> Cache<C> createCache(String mechanism, Class<C>
credentialClass) {
- Cache<C> cache = new Cache<>(credentialClass);
- @SuppressWarnings("unchecked")
- Cache<C> oldCache = (Cache<C>) cacheMap.putIfAbsent(mechanism, cache);
- return oldCache == null ? cache : oldCache;
+ public ScramCache createScramCache(String mechanism) {
+ if (scramCache(mechanism) != null)
+ return scramCache(mechanism);
+ ScramCache credentials = new ScramCache();
+ cacheMap.putIfAbsent(mechanism, credentials);
+ return credentials;
}
- @SuppressWarnings("unchecked")
Review Comment:
Yes, it is.
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