kbendick commented on a change in pull request #2878:
URL: https://github.com/apache/iceberg/pull/2878#discussion_r704940786
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File path: aws/src/main/java/org/apache/iceberg/aws/s3/S3FileIO.java
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@@ -105,4 +107,14 @@ public void initialize(Map<String, String> properties) {
this.awsClientFactory = AwsClientFactories.from(properties);
this.s3 = awsClientFactory::s3;
}
+
+ @Override
+ public void close() {
+ // handles concurrent calls to close()
+ if (isResourceClosed.compareAndSet(false, true)) {
+ if (client != null) {
+ client.close();
+ }
Review comment:
If this is checking for null (plus the compareAndSet), should it set it
to null as well or is the AtomicBoolean sufficient?
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