/*
* JBoss, Home of Professional Open Source.
* Copyright 2016, 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.service;
import java.util.function.Consumer;
import org.jboss.logging.Logger;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.wildfly.common.function.ExceptionConsumer;
/**
* Generic {@link Service} that provides no value.
* @author Paul Ferraro
*/
public class FunctionalVoidService implements Service<Void> {
private static final Logger LOGGER = Logger.getLogger(FunctionalVoidService.class);
private final ExceptionConsumer<StartContext, StartException> starter;
private final Consumer<StopContext> stopper;
/**
* Create a new functional service.
* @param starter
* @param stopper
*/
public FunctionalVoidService(ExceptionConsumer<StartContext, StartException> starter, Consumer<StopContext> stopper) {
this.starter = starter;
this.stopper = stopper;
}
@Override
public void start(StartContext context) throws StartException {
if (this.starter != null) {
try {
this.starter.accept(context);
} catch (RuntimeException | Error e) {
throw new StartException(e);
}
}
}
@Override
public void stop(StopContext context) {
if (this.stopper != null) {
try {
this.stopper.accept(context);
} catch (RuntimeException | Error e) {
LOGGER.warn(e.getLocalizedMessage(), e);
}
}
}
@Override
public Void getValue() {
return null;
}
}