YutaLin commented on code in PR #10207:
URL: https://github.com/apache/ozone/pull/10207#discussion_r3212484881
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hadoop-ozone/s3gateway/src/main/java/org/apache/hadoop/ozone/s3/endpoint/S3ConditionalRequest.java:
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@@ -45,80 +45,92 @@ final class S3ConditionalRequest {
private S3ConditionalRequest() {
}
- static Response evaluateReadPreconditions(HttpHeaders headers,
- String keyPath, OzoneKey key) throws OS3Exception {
+ /**
+ * Context for evaluating preconditions, defining which headers to check
+ * and how to handle cache validation scenarios.
+ */
+ enum PreconditionContext {
Review Comment:
All write operations use the same headers and have the same behavior:
- If-None-Match: * → create only if key doesn't exist
- If-Match: <etag> → overwrite only if ETag matches
- Both throw 412 on failure
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