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Improve AuthorityRuleManager: replace the rule map instead of clear-then-insert when updating rules (#2655)

This commit is contained in:
zhuyou1234 2022-04-06 14:43:41 +08:00 committed by Eric Zhao
parent fcc539d660
commit 679625e299
1 changed files with 10 additions and 17 deletions
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25
sentinel-core/src/main/java/com/alibaba/csp/sentinel/slots/block/authority/AuthorityRuleManager.java
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@ -39,7 +39,7 @@ import com.alibaba.csp.sentinel.property.SentinelProperty;
*/
public final class AuthorityRuleManager {
private static Map<String, Set<AuthorityRule>> authorityRules = new ConcurrentHashMap<>();
private static volatile Map<String, Set<AuthorityRule>> authorityRules = new ConcurrentHashMap<>();
private static final RulePropertyListener LISTENER = new RulePropertyListener();
private static SentinelProperty<List<AuthorityRule>> currentProperty = new DynamicSentinelProperty<>();
@ -92,13 +92,16 @@ public final class AuthorityRuleManager {
private static class RulePropertyListener implements PropertyListener<List<AuthorityRule>> {
@Override
public void configUpdate(List<AuthorityRule> conf) {
Map<String, Set<AuthorityRule>> rules = loadAuthorityConf(conf);
public synchronized void configLoad(List<AuthorityRule> value) {
authorityRules = loadAuthorityConf(value);
authorityRules.clear();
if (rules != null) {
authorityRules.putAll(rules);
RecordLog.info("[AuthorityRuleManager] Authority rules loaded: {}", authorityRules);
}
@Override
public synchronized void configUpdate(List<AuthorityRule> conf) {
authorityRules = loadAuthorityConf(conf);
RecordLog.info("[AuthorityRuleManager] Authority rules received: {}", authorityRules);
}
@ -135,16 +138,6 @@ public final class AuthorityRuleManager {
return newRuleMap;
}
@Override
public void configLoad(List<AuthorityRule> value) {
Map<String, Set<AuthorityRule>> rules = loadAuthorityConf(value);
authorityRules.clear();
if (rules != null) {
authorityRules.putAll(rules);
}
RecordLog.info("[AuthorityRuleManager] Load authority rules: {}", authorityRules);
}
}
static Map<String, Set<AuthorityRule>> getAuthorityRules() {