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LocalGroup.java
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/
LocalGroup.java
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/*
* JBoss, Home of Professional Open Source.
* Copyright 2014, 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.server.group;
import org.wildfly.clustering.Registration;
import org.wildfly.clustering.group.Group;
import org.wildfly.clustering.group.GroupListener;
import org.wildfly.clustering.group.Membership;
import org.wildfly.clustering.group.Node;
/**
* Non-clustered {@link Group} implementation
* @author Paul Ferraro
*/
public class LocalGroup implements Group {
private final String name;
private final Membership membership;
public LocalGroup(String name, Node node) {
this.name = name;
this.membership = new SingletonMembership(node);
}
@Override
public Registration register(GroupListener object) {
// membership of a non-clustered group will never change
return () -> {};
}
@Deprecated
@Override
public void removeListener(Listener listener) {
// membership of a non-clustered group will never change
}
@Override
public String getName() {
return this.name;
}
@Override
public Node getLocalNode() {
return this.membership.getCoordinator();
}
@Override
public Membership getMembership() {
return this.membership;
}
@Override
public boolean isSingleton() {
return true;
}
}