/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. The ASF licenses this file to You
* under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License. For additional information regarding
* copyright in this work, please see the NOTICE file in the top level
* directory of this distribution.
*/
package org.apache.roller.business.hibernate;
import org.hibernate.Criteria;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.criterion.Expression;
import org.apache.roller.RollerException;
import org.apache.roller.pojos.AutoPingData;
import org.apache.roller.pojos.PingTargetData;
import org.apache.roller.pojos.WeblogEntryData;
import org.apache.roller.pojos.WebsiteData;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.roller.config.PingConfig;
import org.apache.roller.business.pings.AutoPingManager;
import org.apache.roller.business.pings.PingQueueManager;
import org.apache.roller.business.RollerFactory;
/**
* Hibernate implementation of the AutoPingManager.
*
* @author <a href="mailto:anil@busybuddha.org">Anil Gangolli</a>
*/
public class HibernateAutoPingManagerImpl implements AutoPingManager {
static final long serialVersionUID = 5420615676256979199L;
private static Log log = LogFactory.getLog(HibernateAutoPingManagerImpl.class);
private HibernatePersistenceStrategy strategy = null;
public HibernateAutoPingManagerImpl(HibernatePersistenceStrategy strat) {
this.strategy = strat;
}
public AutoPingData getAutoPing(String id) throws RollerException {
return (AutoPingData) strategy.load(id, AutoPingData.class);
}
public void saveAutoPing(AutoPingData autoPing) throws RollerException {
strategy.store(autoPing);
}
public void removeAutoPing(AutoPingData autoPing) throws RollerException {
//TODO: first remove all related category restrictions (category restrictions are not yet implemented)
strategy.remove(autoPing);
}
public void removeAutoPing(PingTargetData pingTarget, WebsiteData website) throws RollerException {
try {
Session session = strategy.getSession();
Criteria criteria = session.createCriteria(AutoPingData.class);
// Currently category restrictions are not yet implemented, so we
// return all auto ping configs for the website.
criteria.add(Expression.eq("pingTarget", pingTarget));
criteria.add(Expression.eq("website", website));
List matches = criteria.list();
// This should have at most one element, but we remove them all regardless.
this.removeAutoPings(matches);
} catch (HibernateException e) {
throw new RollerException(e);
}
}
public void removeAutoPings(Collection autopings) throws RollerException {
// just go through the list and remove each auto ping
Iterator pings = autopings.iterator();
while (pings.hasNext()) {
this.strategy.remove((AutoPingData) pings.next());
}
}
public void removeAllAutoPings() throws RollerException {
try {
Session session = ((HibernatePersistenceStrategy) strategy).getSession();
Criteria criteria = session.createCriteria(AutoPingData.class);
List allAutoPings = criteria.list();
this.removeAutoPings(allAutoPings);
} catch (HibernateException e) {
throw new RollerException(e);
}
}
public void queueApplicableAutoPings(WeblogEntryData changedWeblogEntry) throws RollerException {
if (PingConfig.getSuspendPingProcessing()) {
if (log.isDebugEnabled()) log.debug("Ping processing is suspended. No auto pings will be queued.");
return;
}
// TODO: new manager method for addQueueEntries(list)?
PingQueueManager pingQueueMgr = RollerFactory.getRoller().getPingQueueManager();
List applicableAutopings = getApplicableAutoPings(changedWeblogEntry);
for (Iterator i = applicableAutopings.iterator(); i.hasNext(); ) {
AutoPingData autoPing = (AutoPingData) i.next();
pingQueueMgr.addQueueEntry(autoPing);
}
}
public List getAutoPingsByWebsite(WebsiteData website) throws RollerException {
try {
Session session = ((HibernatePersistenceStrategy) strategy).getSession();
Criteria criteria = session.createCriteria(AutoPingData.class);
// Currently category restrictions are not yet implemented, so we return all auto ping configs for the
// website.
criteria.add(Expression.eq("website", website));
return criteria.list();
} catch (HibernateException e) {
throw new RollerException(e);
}
}
public List getAutoPingsByTarget(PingTargetData pingTarget) throws RollerException {
try {
Session session = ((HibernatePersistenceStrategy) strategy).getSession();
Criteria criteria = session.createCriteria(AutoPingData.class);
// Currently category restrictions are not yet implemented, so we return all auto ping configs for the
// website.
criteria.add(Expression.eq("pingTarget", pingTarget));
return criteria.list();
} catch (HibernateException e) {
throw new RollerException(e);
}
}
public List getApplicableAutoPings(WeblogEntryData changedWeblogEntry) throws RollerException {
try {
Session session = ((HibernatePersistenceStrategy) strategy).getSession();
Criteria criteria = session.createCriteria(AutoPingData.class);
// Currently category restrictions are not yet implemented, so we return all auto ping configs for the
// website.
criteria.add(Expression.eq("website", changedWeblogEntry.getWebsite()));
return criteria.list();
} catch (HibernateException e) {
throw new RollerException(e);
}
}
public List getCategoryRestrictions(AutoPingData autoPing) throws RollerException {
return Collections.EMPTY_LIST;
}
public void setCategoryRestrictions(AutoPingData autoPing, Collection newCategories) {
// NOT YET IMPLEMENTED
return;
}
public void release() {}
}