HDDS-13919. S3 Conditional Writes (PutObject)#9815

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peterxcli wants to merge 27 commits intoapache:masterfrom

peterxcli:HDDS-13919-conditional-writes

Commits on Nov 20, 2025

Recognizes expectedDataGeneration = -1L as a sentinel for "create if not exists" (If-None-Match) semantics.
peterxcli
committed

Commits on Nov 24, 2025

correct the new result code position
peterxcli
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Commits on Nov 26, 2025

Merge remote-tracking branch 'upstream/master' into HDDS-13963-atomic-create-if-not-exists
peterxcli
committed

Commits on Dec 25, 2025

Merge remote-tracking branch 'upstream/master' into HDDS-13963-atomic-create-if-not-exists
peterxcli
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Commits on Jan 2, 2026

Commits on Feb 24, 2026

Implement S3 conditional write support
peterxcli
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Commits on Mar 12, 2026

Add aws kit tests for S3 conditional object put
peterxcli
committed