/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, 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.as.ejb3.remote;
import java.util.Collection;
import java.util.Collections;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.CopyOnWriteArraySet;
import org.jboss.msc.service.AbstractService;
import org.jboss.msc.service.ServiceName;
import org.wildfly.clustering.registry.Registry;
/**
* @author Paul Ferraro
*/
public class RegistryCollectorService<K, V> extends AbstractService<RegistryCollector<K, V>> implements RegistryCollector<K, V> {
public static final ServiceName SERVICE_NAME = ServiceName.JBOSS.append("ejb", "remoting", "connector", "client-mappings", "registries");
private final ConcurrentMap<String, Registry<K, V>> registries = new ConcurrentHashMap<>();
private final Set<Listener<K, V>> listeners = new CopyOnWriteArraySet<>();
@Override
public RegistryCollector<K, V> getValue() {
return this;
}
@Override
public void add(Registry<K, V> registry) {
if (this.registries.putIfAbsent(registry.getGroup().getName(), registry) == null) {
for (Listener<K, V> listener: this.listeners) {
listener.registryAdded(registry);
}
}
}
@Override
public void remove(Registry<K, V> registry) {
if (this.registries.remove(registry.getGroup().getName()) != null) {
for (Listener<K, V> listener: this.listeners) {
listener.registryRemoved(registry);
}
}
}
@Override
public void addListener(Listener<K, V> listener) {
this.listeners.add(listener);
}
@Override
public void removeListener(Listener<K, V> listener) {
this.listeners.remove(listener);
}
@Override
public Collection<Registry<K, V>> getRegistries() {
return Collections.unmodifiableCollection(this.registries.values());
}
}