01: /*
02: * JBoss, Home of Professional Open Source.
03: * Copyright 2006, Red Hat Middleware LLC, and individual contributors
04: * as indicated by the @author tags. See the copyright.txt file in the
05: * distribution for a full listing of individual contributors.
06: *
07: * This is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU Lesser General Public License as
09: * published by the Free Software Foundation; either version 2.1 of
10: * the License, or (at your option) any later version.
11: *
12: * This software is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this software; if not, write to the Free
19: * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21: */
22: package org.jboss.ha.hasessionstate.server;
23:
24: import java.util.ArrayList;
25:
26: import org.jboss.ha.framework.interfaces.SubPartitionsInfo;
27:
28: /**
29: * Helper interface to which is delegated new HASessionState topology computation
30: *
31: * @see org.jboss.ha.hasessionstate.interfaces.HASessionState, HASessionStateTopologyComputerImpl
32: * @author sacha.labourey@cogito-info.ch
33: * @version $Revision: 57188 $
34: *
35: * <p><b>Revisions:</b><br>
36: */
37:
38: public interface HASessionStateTopologyComputer {
39:
40: public void init(String sessionStateName, long nodesPerSubPartition);
41:
42: public void start();
43:
44: public SubPartitionsInfo computeNewTopology(
45: SubPartitionsInfo currentTopology, ArrayList newReplicants);
46:
47: }
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