X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=source%2Fmircoders%2Fstorage%2FDatabaseImageLayout.java;h=1fac5a32b1ea8f01468478d494d82c276a73733a;hb=1660e5268c5eba7a3fae476d62fa3af4ce8e23f6;hp=cb2a736e12572dedda25d6cbcf5caa88d1f8eb7f;hpb=3a661e8f0f659ab5ed2ac0e4d982ac0b398d11f1;p=mir.git diff --git a/source/mircoders/storage/DatabaseImageLayout.java b/source/mircoders/storage/DatabaseImageLayout.java index cb2a736e..1fac5a32 100755 --- a/source/mircoders/storage/DatabaseImageLayout.java +++ b/source/mircoders/storage/DatabaseImageLayout.java @@ -1,15 +1,40 @@ -package mircoders.storage; - -import java.lang.*; -import java.sql.*; -import java.io.*; -import java.util.*; +/* + * Copyright (C) 2001, 2002 The Mir-coders group + * + * This file is part of Mir. + * + * Mir 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 2 of the License, or + * (at your option) any later version. + * + * Mir 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 Mir; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * In addition, as a special exception, The Mir-coders gives permission to link + * the code of this program with any library licensed under the Apache Software License, + * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library + * (or with modified versions of the above that use the same license as the above), + * and distribute linked combinations including the two. You must obey the + * GNU General Public License in all respects for all of the code used other than + * the above mentioned libraries. If you modify this file, you may extend this + * exception to your version of the file, but you are not obligated to do so. + * If you do not wish to do so, delete this exception statement from your version. + */ -import freemarker.template.*; +package mircoders.storage; -import mir.storage.*; -import mir.entity.*; -import mir.misc.*; +import mir.log.LoggerWrapper; +import mir.storage.Database; +import mir.storage.StorageObject; +import mir.storage.StorageObjectFailure; +import freemarker.template.SimpleList; /** * Diese Klasse implementiert die Datenbankverbindung zur MetaObjekt-Tabelle @@ -19,28 +44,29 @@ import mir.misc.*; public class DatabaseImageLayout extends Database implements StorageObject{ - private static DatabaseImageLayout instance; - private static SimpleList publisherPopupData; - - public static DatabaseImageLayout getInstance() throws StorageObjectException - { - if (instance == null) { - instance = new DatabaseImageLayout(); - instance.myselfDatabase = instance; - } - return instance; - } - - private DatabaseImageLayout() throws StorageObjectException - { - super(); - this.hasTimestamp = false; - this.theTable="img_layout"; - try { this.theEntityClass = Class.forName("mir.entity.EntityImageLayout"); } - catch (Exception e) { throw new StorageObjectException(e.toString()); } - } - - public SimpleList getPopupData() { return getPopupData("name",true); } + private static DatabaseImageLayout instance; + private static SimpleList publisherPopupData; + + // the following *has* to be sychronized cause this static method + // could get preemted and we could end up with 2 instances of DatabaseFoo.. + // see the "Singletons with needles and thread" article at JavaWorld -mh + public synchronized static DatabaseImageLayout getInstance() { + if (instance == null) { + instance = new DatabaseImageLayout(); + } + return instance; + } + + private DatabaseImageLayout() { + super(); + + logger = new LoggerWrapper("Database.ImageLayout"); + hasTimestamp = false; + theTable = "img_layout"; + } + public SimpleList getPopupData() throws StorageObjectFailure { + return getPopupData("name", true); + } }