/* * ALMA - Atacama Large Millimiter Array * (c) European Southern Observatory, 2002 * Copyright by ESO (in the framework of the ALMA collaboration), * All rights reserved * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ package alma.acs.component; import alma.acs.container.ContainerServices; /** * Marker interface to allow a component to declare that it is stateless and can be restarted * on the same machine without surprising effects for its clients. * <p> * Note that restarting a component on a different machine will always require cooperation from the client, * which must evaluate the data received through * {@link ContainerServices#registerComponentListener(alma.acs.container.ContainerServices.ComponentListener)}. * <p> * All component developers are encouraged to revisit their components and change the interface * from <code>ComponentLifecycle</code> to <code>StatelessComponentLifecycle</code> if applicable. * Doing this can improve the flexibility with which we can restart or relocate component instances * in a life system. * * @author hsommer * @since ACS 7.0.1 */ public interface StatelessComponentLifecycle extends ComponentLifecycle { // nothing in addition to its base class. }