/*
Copyright (C) 2011 maik.jablonski@jease.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package jease.cmf.web.node;
import jease.cmf.domain.Node;
import jease.cmf.service.Nodes;
import jease.cmf.web.JeaseSession;
public class NodeRefreshState {
private long nodeChange;
private Node nodeContainer;
public boolean isStale() {
long lastNodeChange = Nodes.queryLastChange();
Node lastNodeContainer = JeaseSession.getContainer();
if (nodeContainer != lastNodeContainer || nodeChange < lastNodeChange) {
nodeContainer = lastNodeContainer;
nodeChange = lastNodeChange;
return true;
} else {
return false;
}
}
public void reset() {
nodeChange = 0;
nodeContainer = null;
}
}