Java tutorial
/***************************************************************************** * Copyright (c) PicoContainer Organization. All rights reserved. * * ------------------------------------------------------------------------- * * The software in this package is published under the terms of the BSD * * style license a copy of which has been included with this distribution in * * the license.html file. * * * * Idea by Rachel Davies, Original code by Aslak Hellesoy and Paul Hammant * *****************************************************************************/ package org.nanocontainer.hibernate3; import java.io.Serializable; import java.sql.Connection; import org.hibernate.CacheMode; import org.hibernate.Criteria; import org.hibernate.EntityMode; import org.hibernate.Filter; import org.hibernate.FlushMode; import org.hibernate.HibernateException; import org.hibernate.LockMode; import org.hibernate.Query; import org.hibernate.ReplicationMode; import org.hibernate.SQLQuery; import org.hibernate.Session; import org.hibernate.SessionFactory; import org.hibernate.Transaction; /** * Abstract base class for session delegators. delegates all calls to session obtained by * implementing class. error handling is also there. All methods are just delegations to hibernate * session. * * @author Jose Peleteiro <juzepeleteiro@intelli.biz> * @version $Revision$ */ public abstract class SessionDelegator implements Session { /** * Obtain hibernate session. */ public abstract Session getDelegatedSession(); /** * Perform actions to dispose "burned" session properly. */ public abstract void invalidateDelegatedSession() throws HibernateException; public Transaction beginTransaction() throws HibernateException { try { return this.getDelegatedSession().beginTransaction(); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void cancelQuery() throws HibernateException { try { this.getDelegatedSession().cancelQuery(); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void clear() { try { this.getDelegatedSession().clear(); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Connection close() throws HibernateException { try { return this.getDelegatedSession().close(); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Connection connection() throws HibernateException { try { return this.getDelegatedSession().connection(); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public boolean contains(Object object) { try { return this.getDelegatedSession().contains(object); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Criteria createCriteria(Class persistentClass) { try { return this.getDelegatedSession().createCriteria(persistentClass); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Criteria createCriteria(Class persistentClass, String alias) { try { return this.getDelegatedSession().createCriteria(persistentClass, alias); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Criteria createCriteria(String entityName) { try { return this.getDelegatedSession().createCriteria(entityName); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Criteria createCriteria(String entityName, String alias) { try { return this.getDelegatedSession().createCriteria(entityName, alias); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Query createFilter(Object collection, String queryString) throws HibernateException { try { return this.getDelegatedSession().createFilter(collection, queryString); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Query createQuery(String queryString) throws HibernateException { try { return this.getDelegatedSession().createQuery(queryString); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public SQLQuery createSQLQuery(String queryString) throws HibernateException { try { return this.getDelegatedSession().createSQLQuery(queryString); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void delete(Object object) throws HibernateException { try { this.getDelegatedSession().delete(object); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void disableFilter(String filterName) { try { this.getDelegatedSession().disableFilter(filterName); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Connection disconnect() throws HibernateException { try { return this.getDelegatedSession().disconnect(); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Filter enableFilter(String filterName) { try { return this.getDelegatedSession().enableFilter(filterName); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void evict(Object object) throws HibernateException { try { this.getDelegatedSession().evict(object); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void flush() throws HibernateException { try { this.getDelegatedSession().flush(); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Object get(Class clazz, Serializable id) throws HibernateException { try { return this.getDelegatedSession().get(clazz, id); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Object get(Class clazz, Serializable id, LockMode lockMode) throws HibernateException { try { return this.getDelegatedSession().get(clazz, id, lockMode); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Object get(String entityName, Serializable id) throws HibernateException { try { return this.getDelegatedSession().get(entityName, id); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Object get(String entityName, Serializable id, LockMode lockMode) throws HibernateException { try { return this.getDelegatedSession().get(entityName, id, lockMode); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public CacheMode getCacheMode() { try { return this.getDelegatedSession().getCacheMode(); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public LockMode getCurrentLockMode(Object object) throws HibernateException { try { return this.getDelegatedSession().getCurrentLockMode(object); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Filter getEnabledFilter(String filterName) { try { return this.getDelegatedSession().getEnabledFilter(filterName); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public EntityMode getEntityMode() { try { return this.getDelegatedSession().getEntityMode(); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public String getEntityName(Object object) throws HibernateException { try { return this.getDelegatedSession().getEntityName(object); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public FlushMode getFlushMode() { try { return this.getDelegatedSession().getFlushMode(); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Serializable getIdentifier(Object object) throws HibernateException { try { return this.getDelegatedSession().getIdentifier(object); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Query getNamedQuery(String queryName) throws HibernateException { try { return this.getDelegatedSession().getNamedQuery(queryName); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Session getSession(EntityMode entityMode) { try { return this.getDelegatedSession().getSession(entityMode); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public SessionFactory getSessionFactory() { try { return this.getDelegatedSession().getSessionFactory(); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } /** * Handle an HibernateException. The default behavior throw cause again. */ public RuntimeException handleException(HibernateException cause) throws HibernateException { throw cause; } public boolean isConnected() { try { return this.getDelegatedSession().isConnected(); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public boolean isDirty() throws HibernateException { try { return this.getDelegatedSession().isDirty(); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public boolean isOpen() { try { return this.getDelegatedSession().isOpen(); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Object load(Class theClass, Serializable id) throws HibernateException { try { return this.getDelegatedSession().load(theClass, id); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Object load(Class theClass, Serializable id, LockMode lockMode) throws HibernateException { try { return this.getDelegatedSession().load(theClass, id, lockMode); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void load(Object object, Serializable id) throws HibernateException { try { this.getDelegatedSession().load(object, id); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Object load(String entityName, Serializable id) throws HibernateException { try { return this.getDelegatedSession().load(entityName, id); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Object load(String entityName, Serializable id, LockMode lockMode) throws HibernateException { try { return this.getDelegatedSession().load(entityName, id, lockMode); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void lock(Object object, LockMode lockMode) throws HibernateException { try { this.getDelegatedSession().lock(object, lockMode); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void lock(String entityEntity, Object object, LockMode lockMode) throws HibernateException { try { this.getDelegatedSession().lock(entityEntity, object, lockMode); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Object merge(Object object) throws HibernateException { try { return this.getDelegatedSession().merge(object); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Object merge(String entityName, Object object) throws HibernateException { try { return this.getDelegatedSession().merge(entityName, object); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void persist(Object object) throws HibernateException { try { this.getDelegatedSession().persist(object); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void persist(String entityName, Object object) throws HibernateException { try { this.getDelegatedSession().persist(entityName, object); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void reconnect() throws HibernateException { try { this.getDelegatedSession().reconnect(); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void reconnect(Connection conn) throws HibernateException { try { this.getDelegatedSession().reconnect(conn); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void refresh(Object object) throws HibernateException { try { this.getDelegatedSession().refresh(object); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void refresh(Object object, LockMode lockMode) throws HibernateException { try { this.getDelegatedSession().refresh(object, lockMode); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void replicate(Object object, ReplicationMode replicationMode) throws HibernateException { try { this.getDelegatedSession().replicate(object, replicationMode); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void replicate(String entityName, Object object, ReplicationMode replicationMode) throws HibernateException { try { this.getDelegatedSession().replicate(entityName, object, replicationMode); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Serializable save(Object object) throws HibernateException { try { return this.getDelegatedSession().save(object); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void save(Object object, Serializable id) throws HibernateException { try { this.getDelegatedSession().save(object, id); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public Serializable save(String entityName, Object object) throws HibernateException { try { return this.getDelegatedSession().save(entityName, object); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void save(String entityName, Object object, Serializable id) throws HibernateException { try { this.getDelegatedSession().save(entityName, object, id); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void saveOrUpdate(Object object) throws HibernateException { try { this.getDelegatedSession().saveOrUpdate(object); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void saveOrUpdate(String entityName, Object object) throws HibernateException { try { this.getDelegatedSession().saveOrUpdate(entityName, object); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void setCacheMode(CacheMode cacheMode) { try { this.getDelegatedSession().setCacheMode(cacheMode); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void setFlushMode(FlushMode value) { try { this.getDelegatedSession().setFlushMode(value); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void update(Object object) throws HibernateException { try { this.getDelegatedSession().update(object); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void update(Object object, Serializable id) throws HibernateException { try { this.getDelegatedSession().update(object, id); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void update(String entityName, Object object) throws HibernateException { try { this.getDelegatedSession().update(entityName, object); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } public void update(String entityName, Object object, Serializable id) throws HibernateException { try { this.getDelegatedSession().update(entityName, object, id); } catch (HibernateException ex) { this.invalidateDelegatedSession(); throw this.handleException(ex); } } }