/*
* 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.jboss.as.naming.context.external;
import org.jboss.msc.service.ServiceName;
import java.util.concurrent.ConcurrentSkipListSet;
/**
* An {@link ExternalContexts} implementation using a {@link java.util.NavigableSet} to store the service names of the existent external contexts.
* @author Eduardo Martins
*/
public class ExternalContextsNavigableSet implements ExternalContexts {
/**
*
*/
private final ConcurrentSkipListSet<ServiceName> externalContexts;
/**
*
*/
public ExternalContextsNavigableSet() {
externalContexts = new ConcurrentSkipListSet<>();
}
@Override
public void addExternalContext(ServiceName serviceName) {
externalContexts.add(serviceName);
}
@Override
public boolean removeExternalContext(ServiceName serviceName) {
return externalContexts.remove(serviceName);
}
@Override
public ServiceName getParentExternalContext(ServiceName serviceName) {
final ServiceName lower = externalContexts.lower(serviceName);
return lower != null && lower.isParentOf(serviceName) ? lower : null;
}
}