sandynz commented on code in PR #24558:
URL: https://github.com/apache/shardingsphere/pull/24558#discussion_r1209657748
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infra/util/src/main/java/org/apache/shardingsphere/infra/util/spi/ShardingSphereServiceLoader.java:
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@@ -70,7 +80,17 @@ private Collection<T> load() {
@SuppressWarnings("unchecked")
public static <T> Collection<T> getServiceInstances(final Class<T>
serviceInterface) {
ShardingSphereServiceLoader<?> result = LOADERS.get(serviceInterface);
- return (Collection<T>) (null != result ? result.getServiceInstances()
: LOADERS.computeIfAbsent(serviceInterface,
ShardingSphereServiceLoader::new).getServiceInstances());
+ if (null != result) {
+ return (Collection<T>) result.getServiceInstances();
+ }
+ synchronized (LOAD_LOCKS[serviceInterface.hashCode() %
LOAD_LOCKS_COUNT]) {
Review Comment:
Sorry, I missed this message before.
`serviceInterface` might be synchronized here and in other places, I'm
afraid there might be synchronization issue, so I use dedicated lock here.
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