chris@1: /*
chris@1:  *   SONEWS News Server
chris@1:  *   see AUTHORS for the list of contributors
chris@1:  *
chris@1:  *   This program is free software: you can redistribute it and/or modify
chris@1:  *   it under the terms of the GNU General Public License as published by
chris@1:  *   the Free Software Foundation, either version 3 of the License, or
chris@1:  *   (at your option) any later version.
chris@1:  *
chris@1:  *   This program is distributed in the hope that it will be useful,
chris@1:  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
chris@1:  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
chris@1:  *   GNU General Public License for more details.
chris@1:  *
chris@1:  *   You should have received a copy of the GNU General Public License
chris@1:  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
chris@1:  */
chris@1: 
chris@1: package org.sonews.feed;
chris@1: 
chris@1: import java.util.List;
chris@3: import org.sonews.storage.Article;
chris@3: import org.sonews.storage.StorageBackendException;
chris@3: import org.sonews.storage.StorageManager;
chris@1: 
chris@1: /**
chris@1:  * Controlls push and pull feeder.
chris@1:  * @author Christian Lins
chris@1:  * @since sonews/0.5.0
chris@1:  */
chris@1: public final class FeedManager 
chris@1: {
chris@1: 
chris@1:   public static final int TYPE_PULL = 0;
chris@1:   public static final int TYPE_PUSH = 1;
chris@1:   
chris@1:   private static PullFeeder pullFeeder = new PullFeeder();
chris@1:   private static PushFeeder pushFeeder = new PushFeeder();
chris@1:   
chris@1:   /**
chris@1:    * Reads the peer subscriptions from database and starts the appropriate
chris@1:    * PullFeeder or PushFeeder.
chris@1:    */
chris@1:   public static synchronized void startFeeding()
chris@3:     throws StorageBackendException
chris@1:   {
chris@3:     List<Subscription> subsPull = StorageManager.current()
chris@1:       .getSubscriptions(TYPE_PULL);
chris@1:     for(Subscription sub : subsPull)
chris@1:     {
chris@1:       pullFeeder.addSubscription(sub);
chris@1:     }
chris@1:     pullFeeder.start();
chris@1:     
chris@3:     List<Subscription> subsPush = StorageManager.current()
chris@1:       .getSubscriptions(TYPE_PUSH);
chris@1:     for(Subscription sub : subsPush)
chris@1:     {
chris@1:       pushFeeder.addSubscription(sub);
chris@1:     }
chris@1:     pushFeeder.start();
chris@1:   }
chris@1:   
chris@1:   public static void queueForPush(Article article)
chris@1:   {
chris@1:     pushFeeder.queueForPush(article);
chris@1:   }
chris@1:   
chris@1:   private FeedManager() {}
chris@1:   
chris@1: }