edu.uiuc.cs.msl.core.common.service.ServiceManagerImpl.java Source code

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Here is the source code for edu.uiuc.cs.msl.core.common.service.ServiceManagerImpl.java

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/*
 * Copyright 2012, 2013 Alex DiCarlo
 *
 * This file is part of mslbot.
 *
 * Mslbot is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Mslbot 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with mslbot.  If not, see <http://www.gnu.org/licenses/>.
 */

package edu.uiuc.cs.msl.core.common.service;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import net.jcip.annotations.Immutable;
import org.jetbrains.annotations.NotNull;

import java.util.Set;

// alex: Singleton so that only one ServiceManager ever exists to manager all of our services
@Immutable
@Singleton
final class ServiceManagerImpl implements ServiceManager {
    private final Set<Service> theServices;

    @Inject
    ServiceManagerImpl(@NotNull Set<Service> aServices) {
        theServices = ImmutableSet.copyOf(aServices);
    }

    @Override
    public synchronized void startAll() {
        for (Service myService : theServices) {
            myService.start();
        }
    }

    @Override
    public synchronized void stopAll() {
        for (Service myService : ImmutableList.copyOf(theServices).reverse()) {
            myService.stop();
        }
    }
}