OPENDJ-1848: Remove Storage getRMW and putIfAbsent methods
Add some comments in Index.updateKey(...) explaining the current implementation. This methods looks like it makes too many assumptions about the underlying storage.
| | |
|---|
| | | } |
|---|
| | | else |
|---|
| | | { |
|---|
| | | /* |
|---|
| | | * Avoid taking a write lock on a record which has hit all IDs because it is likely to be a |
|---|
| | | * point of contention. |
|---|
| | | */ |
|---|
| | | ByteString value = read(txn, key, false); |
|---|
| | | if(value != null) |
|---|
| | | { |
|---|
| | |
|---|
| | | if (entryIDList.isDefined()) |
|---|
| | | { |
|---|
| | | updateKeyWithRMW(txn, key, deletedIDs, addedIDs); |
|---|
| | | } |
|---|
| | | } // else the record exists but we've hit all IDs. |
|---|
| | | } |
|---|
| | | else |
|---|
| | | { |
|---|
