X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=source%2Fmircoders%2Fstorage%2FDatabaseContentToMedia.java;h=7b5305c0991542740c48dcfaf1b10ba0250f8952;hb=f5ddd64c4b6a071d8f0bd2f08e95dbf98c7713fb;hp=90854d7251251e75dd05352eeebe032817cd3976;hpb=4e6a9876cd4b884ff8c71a39537e90f56acf7bdc;p=mir.git diff --git a/source/mircoders/storage/DatabaseContentToMedia.java b/source/mircoders/storage/DatabaseContentToMedia.java index 90854d72..7b5305c0 100755 --- a/source/mircoders/storage/DatabaseContentToMedia.java +++ b/source/mircoders/storage/DatabaseContentToMedia.java @@ -1,3 +1,34 @@ +/* + * 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 the com.oreilly.servlet library, 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. + */ + package mircoders.storage; import java.lang.*; @@ -23,7 +54,10 @@ public class DatabaseContentToMedia extends Database implements StorageObject{ private static DatabaseContentToMedia instance; - public static DatabaseContentToMedia getInstance() + // 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 DatabaseContentToMedia getInstance() throws StorageObjectException { if (instance == null) { instance = new DatabaseContentToMedia(); @@ -56,7 +90,10 @@ public class DatabaseContentToMedia extends Database implements StorageObject{ String subselect = "id in (select media_id from " + theTable + " where content_id=" + id+")"; try { - returnList = DatabaseMedia.getInstance().selectByWhereClause(subselect,-1); + // media should stay in uploaded order. this is especially important + // for photo stories which require a specific chronologic order. + // this is why we have the the second parameter "id" + returnList = DatabaseMedia.getInstance().selectByWhereClause(subselect,"id",-1); } catch (Exception e) { theLog.printDebugInfo("-- get media failed " + e.toString()); throw new StorageObjectException("-- get media failed " + e.toString()); @@ -101,7 +138,10 @@ public class DatabaseContentToMedia extends Database implements StorageObject{ String subselect = "id in (select media_id from " + theTable + " where content_id=" + id+")"; try { - returnList = DatabaseAudio.getInstance().selectByWhereClause(subselect,-1); + // media should stay in uploaded order. this is especially important + // for photo stories which require a specific chronologic order. + // this is why we have the the second parameter "id" + returnList = DatabaseAudio.getInstance().selectByWhereClause(subselect,"id",-1); } catch (Exception e) { theLog.printDebugInfo("-- get audio failed " + e.toString()); throw new StorageObjectException("-- get audio failed " + e.toString()); @@ -124,7 +164,10 @@ public class DatabaseContentToMedia extends Database implements StorageObject{ String subselect = "id in (select media_id from " + theTable + " where content_id=" + id+")"; try { - returnList = DatabaseVideo.getInstance().selectByWhereClause(subselect,-1); + // media should stay in uploaded order. this is especially important + // for photo stories which require a specific chronologic order. + // this is why we have the the second parameter "id" + returnList = DatabaseVideo.getInstance().selectByWhereClause(subselect,"id",-1); } catch (Exception e) { theLog.printDebugInfo("-- get video failed " + e.toString()); throw new StorageObjectException("-- get video failed " + e.toString()); @@ -147,7 +190,10 @@ public class DatabaseContentToMedia extends Database implements StorageObject{ String subselect = "id in (select media_id from " + theTable + " where content_id=" + id+")"; try { - returnList = DatabaseImages.getInstance().selectByWhereClause(subselect,-1); + // media should stay in uploaded order. this is especially important + // for photo stories which require a specific chronologic order. + // this is why we have the the second parameter "id" + returnList = DatabaseImages.getInstance().selectByWhereClause(subselect,"id",-1); } catch (Exception e) { theLog.printDebugInfo("-- get images failed " + e.toString()); throw new StorageObjectException("-- get images failed " + e.toString()); @@ -175,6 +221,9 @@ public class DatabaseContentToMedia extends Database implements StorageObject{ " where content_id=" + id+")"; try { + // media should stay in uploaded order. this is especially important + // for photo stories which require a specific chronologic order. + // this is why we have the the second parameter "id" returnList = DatabaseOther.getInstance().selectByWhereClause(subselect, "id"); } catch (Exception e) { @@ -402,7 +451,7 @@ public class DatabaseContentToMedia extends Database implements StorageObject{ } - public EntityList getContent(EntityMedia media) + public EntityList getContent(EntityUploadedMedia media) throws StorageObjectException { EntityList returnList=null; if (media != null) {