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Non-domain infrastructure code that is common to many Neo4j components.
There is a newer version: 3.6.2
/*
 * Copyright (c) 2018-2020 "Graph Foundation,"
 * Graph Foundation, Inc. [https://graphfoundation.org]
 *
 * This file is part of ONgDB.
 *
 * ONgDB 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.
 *
 * This program 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 this program.  If not, see .
 */
/*
 * Copyright (c) 2002-2020 "Neo4j,"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j 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.
 *
 * This program 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 this program.  If not, see .
 */
package org.neo4j.kernel.lifecycle;

import java.util.Arrays;

public class Lifecycles
{
    private Lifecycles()
    {   // No instances allowed or even necessary
    }

    public static Lifecycle multiple( final Iterable lifecycles )
    {
        return new CombinedLifecycle( lifecycles );
    }

    public static Lifecycle multiple( Lifecycle... lifecycles )
    {
        return multiple( Arrays.asList( lifecycles ) );
    }

    private static class CombinedLifecycle implements Lifecycle
    {
        private final Iterable lifecycles;

        CombinedLifecycle( Iterable lifecycles )
        {
            this.lifecycles = lifecycles;
        }

        @Override
        public void init() throws Throwable
        {
            for ( Lifecycle lifecycle : lifecycles )
            {
                lifecycle.init();
            }
        }

        @Override
        public void start() throws Throwable
        {
            for ( Lifecycle lifecycle : lifecycles )
            {
                lifecycle.start();
            }
        }

        @Override
        public void stop() throws Throwable
        {
            for ( Lifecycle lifecycle : lifecycles )
            {
                lifecycle.stop();
            }
        }

        @Override
        public void shutdown() throws Throwable
        {
            for ( Lifecycle lifecycle : lifecycles )
            {
                lifecycle.shutdown();
            }
        }
    }
}