code: public final LockingCursor newLockingCursor(Filter filter, boolean jumpbackEnabled) throws PersistenceException, SevereMessageStoreException
      {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.entry(this, tc, "newLockingCursor", new Object[] {filter, Boolean.valueOf(jumpbackEnabled)});
  
          AbstractItem item = getItem(); //225627
          int storageStrategy = item.getStorageStrategy(); // 225627
          long lockID = getMessageStoreImpl().getUniqueLockID(storageStrategy); // 225627
          PrioritizedCursor cursor = _references().newCursor(filter, lockID, jumpbackEnabled);
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.exit(this, tc, "newLockingCursor", cursor);
          return cursor;
      }
docs: /* (non-Javadoc)
  @see com.ibm.ws.sib.msgstore.ItemCollection#newLockingCursor(com.ibm.ws.sib.msgstore.Filter)