/*
* JBoss, Home of Professional Open Source.
* Copyright 2013, 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.wildfly.clustering.provider;
import java.util.Set;
import org.wildfly.clustering.group.Node;
/**
* Registration of a provided service.
*
* @author Paul Ferraro
* @param <T> a service type
*/
public interface ServiceProviderRegistration<T> extends AutoCloseable {
/**
* Listener for service provider changes.
*/
interface Listener {
/**
* Indicates that the set of nodes providing a given service has changed.
*
* @param nodes the new set of nodes providing the given service
*/
void providersChanged(Set<Node> nodes);
}
/**
* The provided service.
*
* @return a service identifier
*/
T getService();
/**
* Returns the set of nodes that can provide this service.
*
* @return a set of nodes
*/
Set<Node> getProviders();
/**
* Indicates that this node can no longer provide this service.
* Once closed, this object is no longer functional.
*/
@Override
void close();
}