peterxcli commented on code in PR #9815:
URL: https://github.com/apache/ozone/pull/9815#discussion_r2986933629
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hadoop-ozone/client/src/main/java/org/apache/hadoop/ozone/client/rpc/RpcClient.java:
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@@ -1428,6 +1428,68 @@ public OzoneOutputStream rewriteKey(String volumeName,
String bucketName, String
return createOutputStream(openKey);
}
+ @Override
+ public OzoneOutputStream createKeyIfNotExists(String volumeName,
+ String bucketName, String keyName, long size,
+ ReplicationConfig replicationConfig, Map<String, String> metadata,
+ Map<String, String> tags) throws IOException {
+ if (omVersion.compareTo(OzoneManagerVersion.ATOMIC_REWRITE_KEY) < 0) {
+ throw new IOException(
+ "OzoneManager does not support atomic key creation.");
+ }
+
+ createKeyPreChecks(volumeName, bucketName, keyName, replicationConfig);
+
+ OmKeyArgs.Builder builder = new OmKeyArgs.Builder()
+ .setVolumeName(volumeName)
+ .setBucketName(bucketName)
+ .setKeyName(keyName)
+ .setDataSize(size)
+ .setReplicationConfig(replicationConfig)
+ .addAllMetadataGdpr(metadata)
+ .addAllTags(tags)
+ .setLatestVersionLocation(getLatestVersionLocation)
+ .setExpectedDataGeneration(
+ OzoneConsts.EXPECTED_GEN_CREATE_IF_NOT_EXISTS);
+
+ OpenKeySession openKey = ozoneManagerClient.openKey(builder.build());
+ if (isS3GRequest.get() && size == 0) {
+ openKey.getKeyInfo().setDataSize(0);
+ }
+ return createOutputStream(openKey);
+ }
+
+ @Override
+ @SuppressWarnings("checkstyle:parameternumber")
+ public OzoneOutputStream rewriteKeyIfMatch(String volumeName,
+ String bucketName, String keyName, long size, String expectedETag,
+ ReplicationConfig replicationConfig, Map<String, String> metadata,
+ Map<String, String> tags) throws IOException {
+ if (omVersion.compareTo(OzoneManagerVersion.ATOMIC_REWRITE_KEY) < 0) {
+ throw new IOException(
+ "OzoneManager does not support conditional key rewrite.");
+ }
+
+ createKeyPreChecks(volumeName, bucketName, keyName, replicationConfig);
+
+ OmKeyArgs.Builder builder = new OmKeyArgs.Builder()
+ .setVolumeName(volumeName)
+ .setBucketName(bucketName)
+ .setKeyName(keyName)
+ .setDataSize(size)
+ .setReplicationConfig(replicationConfig)
+ .addAllMetadataGdpr(metadata)
+ .addAllTags(tags)
+ .setLatestVersionLocation(getLatestVersionLocation)
+ .setExpectedETag(expectedETag);
Review Comment:
no, please take a look at the design doc:
https://github.com/apache/ozone/blob/5e5243eca2a28ba5127be5e10bba97a99adf9d52/hadoop-hdds/docs/content/design/s3-conditional-requests.md?plain=1#L144-L167
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