FastObjectDBManager.java

00001 /*
00002  * OpenMobileIS - a free Java(TM) Framework for mobile applications Java(TM)
00003  * Copyright (C) 2004-2006 Philippe Delrieu
00004  * All rights reserved.
00005  * Contact: pdelrieu@openmobileis.org
00006  *
00007  * This library is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU Lesser General Public
00009  * License as published by the Free Software Foundation; either
00010  * version 2.1 of the License, or any later version.
00011  *
00012  * This library is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015  * Lesser General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU Lesser General Public
00018  * License along with this library; if not, write to the Free Software
00019  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
00020  * USA
00021  *
00022  *  Author : Philippe Delrieu
00023  * 
00024  */
00025 package org.openmobileis.database.fastobjectdb;
00026 
00027 import org.openmobileis.common.context.ApplicationContextManager;
00028 import org.openmobileis.common.util.PropertiesManager;
00029 import org.openmobileis.common.util.exception.DatabaseException;
00030 
00031 
00041 public class FastObjectDBManager {
00042 
00043         protected static FastObjectDB db;
00044         private static boolean fodbStarted = false;
00045 
00046         
00053         public static FastObjectDB getCurrentFODB() throws DatabaseException    {
00054                 if (db == null) {
00055                         String dbPath = PropertiesManager.getManager().getProperty("fastobjectdb.database.path");
00056                         String dbname = PropertiesManager.getManager().getProperty("fastobjectdb.database.name");
00057                         if ((dbPath == null) || (dbname == null))       {
00058                                 throw new DatabaseException("FODB ERROR : FODB path or name property is not set. Can't create db");
00059                         }
00060                         synchronized(FastObjectDBManager.class) {
00061                                 if (db==null)   {
00062                                         try     {
00063                                                 db = FastObjectDB.open(dbPath, dbname);
00064                                                 ApplicationContextManager.getManager().addManager(db);
00065                                                 fodbStarted = true;
00066                                         } catch (Throwable ex)  {
00067                                                 throw new DatabaseException(ex);
00068                                         }
00069                                 }
00070                         }
00071                 }
00072                 return db;
00073         }
00074 
00075 
00076         public static boolean isFodbStarted() {
00077                 return fodbStarted;
00078         }
00079 
00080 }

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