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Viewing changes to src/org/hibernate/jmx/SessionFactoryStub.java

  • Committer: Bazaar Package Importer
  • Author(s): Torsten Werner
  • Date: 2007-10-14 14:43:34 UTC
  • Revision ID: james.westby@ubuntu.com-20071014144334-eamc8i0q10gs1aro
Tags: upstream-3.2.5
Import upstream version 3.2.5

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src/org/hibernate/jmx/SessionFactoryStub.java
 
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//$Id: SessionFactoryStub.java 8754 2005-12-05 23:36:59Z steveebersole $
 
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package org.hibernate.jmx;
 
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import java.io.InvalidObjectException;
 
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import java.io.ObjectStreamException;
 
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import java.io.Serializable;
 
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import java.sql.Connection;
 
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import java.util.Map;
 
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import java.util.Set;
 
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import javax.naming.NamingException;
 
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import javax.naming.Reference;
 
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import javax.naming.StringRefAddr;
 
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import org.apache.commons.logging.Log;
 
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import org.apache.commons.logging.LogFactory;
 
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import org.hibernate.AssertionFailure;
 
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import org.hibernate.HibernateException;
 
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import org.hibernate.Interceptor;
 
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import org.hibernate.SessionFactory;
 
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import org.hibernate.StatelessSession;
 
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import org.hibernate.engine.FilterDefinition;
 
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import org.hibernate.id.IdentifierGenerator;
 
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import org.hibernate.id.UUIDHexGenerator;
 
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import org.hibernate.impl.SessionFactoryObjectFactory;
 
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import org.hibernate.metadata.ClassMetadata;
 
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import org.hibernate.metadata.CollectionMetadata;
 
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import org.hibernate.stat.Statistics;
 
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/**
 
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 * A flyweight for <tt>SessionFactory</tt>. If the MBean itself does not
 
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 * have classpath to the persistent classes, then a stub will be registered
 
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 * with JNDI and the actual <tt>SessionFactoryImpl</tt> built upon first
 
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 * access.
 
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 * @author Gavin King
 
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 */
 
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public class SessionFactoryStub implements SessionFactory {
 
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        private static final Log log = LogFactory.getLog(SessionFactoryStub.class);
 
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        private static final IdentifierGenerator UUID_GENERATOR = new UUIDHexGenerator();
 
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        private transient SessionFactory impl;
 
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        private transient HibernateService service;
 
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        private String uuid;
 
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        private String name;
 
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        SessionFactoryStub(HibernateService service) {
 
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                this.service = service;
 
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                this.name = service.getJndiName();
 
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                try {
 
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                        uuid = (String) UUID_GENERATOR.generate(null, null);
 
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                }
 
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                catch (Exception e) {
 
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                        throw new AssertionFailure("Could not generate UUID");
 
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                }
 
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                SessionFactoryObjectFactory.addInstance( uuid, name, this, service.getProperties() );
 
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        }
 
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        public org.hibernate.classic.Session openSession(Connection connection, Interceptor interceptor) {
 
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                return getImpl().openSession(connection, interceptor);
 
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        }
 
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        public org.hibernate.classic.Session openSession(Interceptor interceptor) throws HibernateException {
 
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                return getImpl().openSession(interceptor);
 
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        }
 
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        public org.hibernate.classic.Session openSession() throws HibernateException {
 
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                return getImpl().openSession();
 
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        }
 
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        public org.hibernate.classic.Session openSession(Connection conn) {
 
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                return getImpl().openSession(conn);
 
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        }
 
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        public org.hibernate.classic.Session getCurrentSession() {
 
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                return getImpl().getCurrentSession();
 
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        }
 
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        private synchronized SessionFactory getImpl() {
 
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                if (impl==null) impl = service.buildSessionFactory();
 
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                return impl;
 
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        }
 
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        //readResolveObject
 
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        private Object readResolve() throws ObjectStreamException {
 
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                // look for the instance by uuid
 
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                Object result = SessionFactoryObjectFactory.getInstance(uuid);
 
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                if (result==null) {
 
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                        // in case we were deserialized in a different JVM, look for an instance with the same name
 
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                        // (alternatively we could do an actual JNDI lookup here....)
 
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                        result = SessionFactoryObjectFactory.getNamedInstance(name);
 
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                        if (result==null) {
 
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                                throw new InvalidObjectException("Could not find a stub SessionFactory named: " + name);
 
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                        }
 
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                        else {
 
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                                log.debug("resolved stub SessionFactory by name");
 
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                        }
 
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                }
 
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                else {
 
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                        log.debug("resolved stub SessionFactory by uid");
 
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                }
 
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                return result;
 
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        }
 
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        /**
 
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         * @see javax.naming.Referenceable#getReference()
 
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         */
 
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        public Reference getReference() throws NamingException {
 
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                return new Reference(
 
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                        SessionFactoryStub.class.getName(),
 
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                        new StringRefAddr("uuid", uuid),
 
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                        SessionFactoryObjectFactory.class.getName(),
 
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                        null
 
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                );
 
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        }
 
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        public ClassMetadata getClassMetadata(Class persistentClass) throws HibernateException {
 
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                return getImpl().getClassMetadata(persistentClass);
 
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        }
 
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        public ClassMetadata getClassMetadata(String entityName)
 
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        throws HibernateException {
 
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                return getImpl().getClassMetadata(entityName);
 
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        }
 
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        public CollectionMetadata getCollectionMetadata(String roleName) throws HibernateException {
 
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                return getImpl().getCollectionMetadata(roleName);
 
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        }
 
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        public Map getAllClassMetadata() throws HibernateException {
 
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                return getImpl().getAllClassMetadata();
 
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        }
 
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        public Map getAllCollectionMetadata() throws HibernateException {
 
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                return getImpl().getAllCollectionMetadata();
 
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        }
 
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        public void close() throws HibernateException {
 
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        }
 
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        public boolean isClosed() {
 
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                return false;
 
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        }
 
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        public void evict(Class persistentClass, Serializable id)
 
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                throws HibernateException {
 
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                getImpl().evict(persistentClass, id);
 
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        }
 
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        public void evict(Class persistentClass) throws HibernateException {
 
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                getImpl().evict(persistentClass);
 
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        }
 
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        public void evictEntity(String entityName, Serializable id)
 
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        throws HibernateException {
 
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                getImpl().evictEntity(entityName, id);
 
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        }
 
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        public void evictEntity(String entityName) throws HibernateException {
 
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                getImpl().evictEntity(entityName);
 
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        }
 
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        public void evictCollection(String roleName, Serializable id)
 
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                throws HibernateException {
 
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                getImpl().evictCollection(roleName, id);
 
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        }
 
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        public void evictCollection(String roleName) throws HibernateException {
 
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                getImpl().evictCollection(roleName);
 
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        }
 
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        public void evictQueries() throws HibernateException {
 
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                getImpl().evictQueries();
 
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        }
 
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        public void evictQueries(String cacheRegion) throws HibernateException {
 
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                getImpl().evictQueries(cacheRegion);
 
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        }
 
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        public Statistics getStatistics() {
 
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                return getImpl().getStatistics();
 
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        }
 
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        public StatelessSession openStatelessSession() {
 
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                return getImpl().openStatelessSession();
 
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        }
 
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        public StatelessSession openStatelessSession(Connection conn) {
 
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                return getImpl().openStatelessSession(conn);
 
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        }
 
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        public Set getDefinedFilterNames() {
 
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                return getImpl().getDefinedFilterNames();
 
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        }
 
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        public FilterDefinition getFilterDefinition(String filterName) throws HibernateException {
 
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                return getImpl().getFilterDefinition( filterName );
 
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        }
 
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}