/* ********************************************************************** **
** Copyright notice **
** **
** (c) 2005-2009 RSSOwl Development Team **
** http://www.rssowl.org/ **
** **
** All rights reserved **
** **
** This program and the accompanying materials are made available under **
** the terms of the Eclipse Public License v1.0 which accompanies this **
** distribution, and is available at: **
** http://www.rssowl.org/legal/epl-v10.html **
** **
** A copy is found in the file epl-v10.html and important notices to the **
** license from the team is found in the textfile LICENSE.txt distributed **
** in this package. **
** **
** This copyright notice MUST APPEAR in all copies of the file! **
** **
** Contributors: **
** RSSOwl Development Team - initial API and implementation **
** **
** ********************************************************************** */
package org.rssowl.core.internal.persist.dao;
import org.rssowl.core.internal.InternalOwl;
import org.rssowl.core.internal.persist.service.DatabaseEvent;
import org.rssowl.core.persist.IBookMark;
import org.rssowl.core.persist.IFolder;
import org.rssowl.core.persist.dao.IBookMarkDAO;
import org.rssowl.core.persist.dao.IFolderDAO;
import org.rssowl.core.persist.event.BookMarkEvent;
import org.rssowl.core.persist.event.BookMarkListener;
import org.rssowl.core.persist.reference.FeedLinkReference;
import org.rssowl.core.util.CoreUtils;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
/**
* Caching DAO for {@link IBookMark}.
*/
public final class CachingBookMarkDAO extends CachingDAO<BookMarkDAOImpl, IBookMark, BookMarkListener, BookMarkEvent> implements IBookMarkDAO {
public CachingBookMarkDAO() {
super(new BookMarkDAOImpl());
}
/*
* @see
* org.rssowl.core.internal.persist.dao.CachingDAO#onDatabaseOpened(org.rssowl
* .core.internal.persist.service.DatabaseEvent)
*/
@Override
protected void onDatabaseOpened(DatabaseEvent event) {
if (USE_LEGACY_CACHE_ACTIVATION)
super.onDatabaseOpened(event);
else {
IFolderDAO folderDAO = InternalOwl.getDefault().getPersistenceService().getDAOService().getFolderDAO();
Collection<IFolder> roots = folderDAO.loadRoots();
Set<IBookMark> bookmarks = new HashSet<IBookMark>();
CoreUtils.fillBookMarks(bookmarks, roots);
for (IBookMark bookmark : bookmarks) {
getCache().put(bookmark.getId(), bookmark);
}
}
}
/*
* @see org.rssowl.core.internal.persist.dao.CachingDAO#createEntityListener()
*/
@Override
protected BookMarkListener createEntityListener() {
return new BookMarkListener() {
public void entitiesAdded(Set<BookMarkEvent> events) {
for (BookMarkEvent event : events)
getCache().put(event.getEntity().getId(), event.getEntity());
}
public void entitiesDeleted(Set<BookMarkEvent> events) {
for (BookMarkEvent event : events)
getCache().remove(event.getEntity().getId(), event.getEntity());
}
public void entitiesUpdated(Set<BookMarkEvent> events) {
/* No action needed */
}
};
}
/*
* @see
* org.rssowl.core.persist.dao.IBookMarkDAO#loadAll(org.rssowl.core.persist
* .reference.FeedLinkReference)
*/
public Collection<IBookMark> loadAll(FeedLinkReference feedRef) {
//TODO Check if this is faster than the db query
Set<IBookMark> marks = new HashSet<IBookMark>(1);
for (IBookMark mark : getCache().values()) {
if (mark.getFeedLinkReference().equals(feedRef))
marks.add(mark);
}
return marks;
}
/*
* @see
* org.rssowl.core.persist.dao.IBookMarkDAO#exists(org.rssowl.core.persist
* .reference.FeedLinkReference)
*/
public boolean exists(FeedLinkReference feedRef) {
//TODO Check if this is faster than the db query
for (IBookMark mark : getCache().values()) {
if (mark.getFeedLinkReference().equals(feedRef))
return true;
}
return false;
}
}