tanvipenumudy commented on code in PR #7060:
URL: https://github.com/apache/ozone/pull/7060#discussion_r1714948574


##########
hadoop-ozone/client/src/main/java/org/apache/hadoop/ozone/client/rpc/RpcClient.java:
##########
@@ -1762,20 +1762,15 @@ public List<OzoneKey> listKeys(String volumeName, 
String bucketName,
   @Override
   public List<RepeatedOmKeyInfo> listTrash(String volumeName, String 
bucketName,
       String startKeyName, String keyPrefix, int maxKeys) throws IOException {
-
-    Preconditions.checkNotNull(volumeName);
-    Preconditions.checkNotNull(bucketName);
-
-    return ozoneManagerClient.listTrash(volumeName, bucketName, startKeyName,
-        keyPrefix, maxKeys);
+    // listTrash is deprecated
+    throw new UnsupportedOperationException();
   }
 
   @Override
   public boolean recoverTrash(String volumeName, String bucketName,
       String keyName, String destinationBucket) throws IOException {
-
-    return ozoneManagerClient.recoverTrash(volumeName, bucketName, keyName,
-        destinationBucket);
+    //recoverTrash is deprecated
+    throw new UnsupportedOperationException();

Review Comment:
   Similar to the previous comment, do we just mark the method with a 
`@Deprecated` annotation instead?



##########
hadoop-ozone/client/src/main/java/org/apache/hadoop/ozone/client/rpc/RpcClient.java:
##########
@@ -1762,20 +1762,15 @@ public List<OzoneKey> listKeys(String volumeName, 
String bucketName,
   @Override
   public List<RepeatedOmKeyInfo> listTrash(String volumeName, String 
bucketName,
       String startKeyName, String keyPrefix, int maxKeys) throws IOException {
-
-    Preconditions.checkNotNull(volumeName);
-    Preconditions.checkNotNull(bucketName);
-
-    return ozoneManagerClient.listTrash(volumeName, bucketName, startKeyName,
-        keyPrefix, maxKeys);
+    // listTrash is deprecated
+    throw new UnsupportedOperationException();

Review Comment:
   Should we mark the methods with a `@Deprecated` annotation instead of 
removing their implementation and throwing an `UnsupportedOperationException`, 
for the sake of consistency 
   
   Perhaps similar to `setEncryptionKey()` and `renameKeys()` APIs (now 
deprecated)?



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