Examples of org.rssowl.core.persist.event.ModelEvent

org.rssowl.core.persist.event.ModelEvent
The abstract super-type of all ModelEvents in the Application. This type guarantees that each Event-Object issued for a Model-Type contains the ID of the affected type using a ModelReference instance. @author bpasero


  public static final void saveFeed(ObjectContainer db, IFeed feed) {
    if (feed.getId() == null && feedExists(db, feed.getLink()))
      throw new UniqueConstraintException("link", feed);


    ModelEvent feedEventTemplate = new FeedEvent(feed, true);
    DBHelper.putEventTemplate(feedEventTemplate);
    saveAndCascadeAllNews(db, feed.getNews(), false);
    saveEntities(db, feed.getCategories());
    saveEntity(db, feed.getAuthor());
    saveEntity(db, feed.getImage());

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  }


  public static final void saveNews(ObjectContainer db, INews news) {
    INews oldNews = db.ext().peekPersisted(news, 2, true);
    if (oldNews != null) {
      ModelEvent newsEventTemplate = new NewsEvent(oldNews, news, false);
      DBHelper.putEventTemplate(newsEventTemplate);
    }
    db.ext().set(news, 2);
  }

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  }


  public static final void saveAndCascadeNews(ObjectContainer db, INews news, boolean root) {
    INews oldNews = db.ext().peekPersisted(news, 2, true);
    if (oldNews != null || root) {
      ModelEvent event = new NewsEvent(oldNews, news, root);
      putEventTemplate(event);
    }
    saveEntities(db, news.getCategories());
    saveEntity(db, news.getAuthor());
    saveEntities(db, news.getAttachments());

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    DBHelper.cleanUpAndFireEvents();
  }


  private void save(Set<INews> newsList) {
    for (INews news : newsList) {
      ModelEvent newsEventTemplate = createSaveEventTemplate(news);
      DBHelper.putEventTemplate(newsEventTemplate);
      fDb.ext().set(news, 1);
    }
  }

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  private void processUpdatedEvent(EventArgs args) {
    IEntity entity = getEntity(args);
    if (entity == null)
      return;


    ModelEvent event = createModelEvent(entity);
    if (event != null)
      EventsMap.getInstance().putUpdateEvent(event);
  }

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  private void processCreatedEvent(EventArgs args) {
    IEntity entity = getEntity(args);
    if (entity == null)
      return;


    ModelEvent event = createModelEvent(entity);
    if (event != null)
      EventsMap.getInstance().putPersistEvent(event);
  }

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  private void processDeletedEvent(EventArgs args) {
    IEntity entity = getEntity(args);
    if (entity == null)
      return;


    ModelEvent event = createModelEvent(entity);
    if (event != null)
      EventsMap.getInstance().putRemoveEvent(event);
  }

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    }
    return null;
  }


  private ModelEvent createModelEvent(IEntity entity) {
    ModelEvent modelEvent = null;
    Map<Integer, ModelEvent> templatesMap = EventsMap.getInstance().getEventTemplatesMap();
    ModelEvent template = templatesMap.get(System.identityHashCode(entity));
    //TODO In some cases, the template is complete. We can save some object allocation
    //by reusing it.


    boolean root = isRoot(template);
    if (entity instanceof INews) {

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    }
    return modelEvent;
  }


  private ModelEvent createNewsEvent(INews news, ModelEvent template, boolean root) {
    ModelEvent modelEvent;
    NewsEvent newsTemplate = (NewsEvent) template;
    INews oldNews = newsTemplate == null ? null : newsTemplate.getOldNews();


    modelEvent = new NewsEvent(oldNews, news, root);
    return modelEvent;

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  public static final void saveFeed(ObjectContainer db, IFeed feed) {
    if (feed.getId() == null && feedExists(db, feed.getLink()))
      throw new UniqueConstraintException("link", feed); //$NON-NLS-1$


    ModelEvent feedEventTemplate = new FeedEvent(feed, true);
    DBHelper.putEventTemplate(feedEventTemplate);
    saveAndCascadeAllNews(db, feed.getNews(), false);
    saveEntities(db, feed.getCategories());
    saveEntity(db, feed.getAuthor());
    saveEntity(db, feed.getImage());

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Related Classes of org.rssowl.core.persist.event.ModelEvent

org.rssowl.core.internal.persist.dao.NewsDAOImpl

org.rssowl.core.internal.persist.service.DBHelper

org.rssowl.core.internal.persist.service.EventManager

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