@Override
  public Object executeOn(Connection con, Op op, boolean timeoutFatal) {
    return executor.executeOn(con, op, timeoutFatal);
  }
Execute the given op on the given connection.

@param con the connection to do the execution on
@param op the operation to execute
@return the result of execution if any; null if not
geode-core/src/main/java/org/apache/geode/cache/client/internal/PoolImpl.java