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package net.sf.flock.hibernate;
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import java.net.URL;
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import java.util.Collection;
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import java.util.List;
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import java.util.Properties;
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import net.sf.flock.FeedFactoryI;
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import net.sf.flock.FeedI;
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import net.sf.flock.FilterI;
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import net.sf.flock.FlockResourceException;
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import net.sf.flock.SubscriptionI;
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import net.sf.flock.SubscriptionInfoI;
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import net.sf.flock.support.AbstractSubscriptionManager;
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import cirrus.hibernate.Datastore;
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import cirrus.hibernate.Hibernate;
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import cirrus.hibernate.HibernateException;
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import cirrus.hibernate.MappingException;
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import cirrus.hibernate.Session;
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import cirrus.hibernate.SessionFactory;
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import cirrus.hibernate.Transaction;
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import cirrus.hibernate.tools.SchemaExport;
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public class HibernateSubscriptionManager extends AbstractSubscriptionManager implements FeedFactoryI {
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private final SessionFactory sessionFactory;
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public HibernateSubscriptionManager(Properties properties) throws FlockResourceException {
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try {
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properties.put("hibernate.query.imports", "net.sf.flock.hibernate");
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Datastore ds = Hibernate.createDatastore();
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ds.storeClass( Subscription.class );
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new SchemaExport(ds, properties).create(true, true);
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//new SchemaUpdater(ds, properties).execute(false);
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this.sessionFactory = ds.buildSessionFactory(properties);
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} catch (MappingException e) {
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throw new FlockResourceException(e);
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} catch (HibernateException e) {
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throw new FlockResourceException(e);
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}
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}
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protected void storeSubscription(Subscription subscription) throws Exception {
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Session s = this.sessionFactory.openSession();
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Transaction tx = null;
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try {
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tx = s.beginTransaction();
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//s.save(subscription.getFeed());
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s.save(subscription);
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s.flush();
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tx.commit();
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} catch (Exception ex) {
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if (tx!=null) tx.rollback();
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throw ex;
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} finally {
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s.close();
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}
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}
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protected Subscription loadSubscription(URL url) throws Exception {
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Session s = this.sessionFactory.openSession();
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try {
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List l = s.find("from sub in class Subscription where location=?", url, Hibernate.custom(URLType.class));
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return (Subscription)l.get(0);
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} catch (Exception ex) {
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throw ex;
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} finally {
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s.close();
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}
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}
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protected SubscriptionI createSubscription(SubscriptionInfoI subscriptionInfo) throws FlockResourceException {
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return null;
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}
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protected FeedFactoryI getFeedFactory() {
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return this;
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}
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public FeedI createFeed(SubscriptionInfoI subscriptionInfoI) {
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return null;
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}
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public void unsubscribe(URL url) throws FlockResourceException {
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}
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public SubscriptionI getSubscription(URL url) throws FlockResourceException {
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return null;
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}
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public Collection getSubscriptionInfos() throws FlockResourceException {
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return null;
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}
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public void refresh(URL url) throws FlockResourceException {
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}
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105
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public Collection findItems(FilterI[] filters) throws FlockResourceException {
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return null;
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107
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}
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108
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109
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110
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}
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111
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