/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This 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 software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.gwt.circuit.sample.wmm.stores;
import org.jboss.gwt.circuit.Action;
import org.jboss.gwt.circuit.Agreement;
import org.jboss.gwt.circuit.Dispatcher;
import org.jboss.gwt.circuit.StoreCallback;
import org.jboss.gwt.circuit.sample.wmm.actions.StartServerAction;
import org.jboss.gwt.circuit.sample.wmm.actions.StopServerAction;
import java.util.HashSet;
import java.util.Set;
public class HostStore {
private final Set<String> runningServers = new HashSet<>();
public HostStore(final Dispatcher dispatcher) {
dispatcher.register(HostStore.class, new StoreCallback() {
@Override
public Agreement voteFor(final Action action) {
Agreement agreement = Agreement.NONE;
if (action instanceof StartServerAction) {
agreement = new Agreement(true);
} else if (action instanceof StopServerAction) {
agreement = new Agreement(true, DeploymentStore.class);
}
return agreement;
}
@Override
public void complete(final Action action, final Dispatcher.Channel channel) {
if (action instanceof StartServerAction) {
StartServerAction start = (StartServerAction) action;
runningServers.add(start.getServer());
} else if (action instanceof StopServerAction) {
StopServerAction stop = (StopServerAction) action;
runningServers.remove(stop.getServer());
}
channel.ack();
}
@Override
public void signalChange(final Action action) {
// noop
}
});
}
public Set<String> getRunningServers() {
return runningServers;
}
}