/** Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved. Contact: SYSTAP, LLC DBA Blazegraph 2501 Calvert ST NW #106 Washington, DC 20008 licenses@blazegraph.com This program 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; version 2 of the License. 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ package com.bigdata.journal; /** * Interface for a "plug in" that can be registered with a {@link Journal}. * * TODO Support at {@link IIndexManager} interface? E.g., for the federation * as well as the journal. * * @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a> */ public interface IPlugIn<M extends IIndexManager, S> { /** * Start the service. * * @param indexManager */ public void startService(M indexManager); /** * Stop the service. * * @param immediateShutdown * <code>true</code> if the service should be stopped * immediately. */ public void stopService(boolean immediateShutdown); /** * Return the service. */ public S getService(); /** * Return true iff the service is running. */ public boolean isRunning(); }