Examples of ReplServerDBCursor

   */
  public int traverseAndCount(ChangeNumber from, ChangeNumber to)
  {
    int count = 0;
    flush();
    ReplServerDBCursor cursor = null;
    try
    {
      try
      {
        cursor = db.openReadCursor(from);
      }
      catch(Exception e)
      {
        return 0;
      }
      ChangeNumber curr = null;
      while ((curr = cursor.nextChangeNumber())!=null)
      {
        if (curr.newerOrEquals(to))
          break;
        count++;
      }
    }
    finally
    {
      if (cursor != null)
        cursor.abort();
    }
    return count;
  }

      synchronized (flushLock)
      {
        /* the trim is done by group in order to save some CPU and IO bandwidth
         * start the transaction then do a bunch of remove then commit
         */
        ReplServerDBCursor cursor;
        cursor = db.openDeleteCursor();


        try
        {
          while ((size < 5000 ) &&  (!finished))
          {
            ChangeNumber changeNumber = cursor.nextChangeNumber();
            if (changeNumber != null)
            {
              if ((!changeNumber.equals(lastChange))
                  && (changeNumber.older(trimDate)))
              {
                size++;
                cursor.delete();
              }
              else
              {
                firstChange = changeNumber;
                finished = true;
              }
            }
            else
              finished = true;
          }
          cursor.close();
          done = true;
        }
        catch (LockConflictException e)
        {
          cursor.abort();
          if (tries == DEADLOCK_RETRIES)
          {
            // could not handle the Deadlock after DEADLOCK_RETRIES tries.
            // shutdown the ReplicationServer.
            shutdown = true;
            throw (e);
          }
        }
        catch (DatabaseException e)
        {
          // mark shutdown for this db so that we don't try again to
          // stop it from cursor.close() or methods called by cursor.close()
          shutdown = true;
          cursor.abort();
          throw (e);
        }
      }
    }
  }

Examples of ReplServerDBCursor

Examples of org.nasutekds.server.replication.server.ReplicationDB.ReplServerDBCursor

Examples of org.nasutekds.server.replication.server.ReplicationDB.ReplServerDBCursor