/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* JBoss, Home of Professional Open Source
* Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @authors tag. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.hibernate.ogm.hibernatecore.impl;
import java.io.Serializable;
import java.sql.Connection;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.hibernate.CacheMode;
import org.hibernate.Criteria;
import org.hibernate.Filter;
import org.hibernate.FlushMode;
import org.hibernate.HibernateException;
import org.hibernate.IdentifierLoadAccess;
import org.hibernate.Interceptor;
import org.hibernate.LobHelper;
import org.hibernate.LockMode;
import org.hibernate.LockOptions;
import org.hibernate.NaturalIdLoadAccess;
import org.hibernate.Query;
import org.hibernate.ReplicationMode;
import org.hibernate.SQLQuery;
import org.hibernate.ScrollMode;
import org.hibernate.ScrollableResults;
import org.hibernate.SessionException;
import org.hibernate.SharedSessionBuilder;
import org.hibernate.SimpleNaturalIdLoadAccess;
import org.hibernate.Transaction;
import org.hibernate.TypeHelper;
import org.hibernate.UnknownProfileException;
import org.hibernate.cache.spi.CacheKey;
import org.hibernate.collection.spi.PersistentCollection;
import org.hibernate.engine.jdbc.spi.JdbcConnectionAccess;
import org.hibernate.engine.query.spi.HQLQueryPlan;
import org.hibernate.engine.query.spi.ParameterMetadata;
import org.hibernate.engine.query.spi.sql.NativeSQLQuerySpecification;
import org.hibernate.engine.spi.ActionQueue;
import org.hibernate.engine.spi.EntityEntry;
import org.hibernate.engine.spi.EntityKey;
import org.hibernate.engine.spi.LoadQueryInfluencers;
import org.hibernate.engine.spi.NonFlushedChanges;
import org.hibernate.engine.spi.PersistenceContext;
import org.hibernate.engine.spi.QueryParameters;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.engine.transaction.spi.TransactionCoordinator;
import org.hibernate.event.spi.EventSource;
import org.hibernate.hql.internal.ast.QuerySyntaxException;
import org.hibernate.internal.CriteriaImpl;
import org.hibernate.jdbc.ReturningWork;
import org.hibernate.jdbc.Work;
import org.hibernate.loader.custom.CustomQuery;
import org.hibernate.ogm.exception.NotSupportedException;
import org.hibernate.ogm.service.impl.QueryParserService;
import org.hibernate.ogm.util.impl.Log;
import org.hibernate.ogm.util.impl.LoggerFactory;
import org.hibernate.persister.entity.EntityPersister;
import org.hibernate.stat.SessionStatistics;
import org.hibernate.type.Type;
/**
* Delegate most of the work to the underlying Hibernate Session
* except that queries are redirected to our own engine
*
* @author Emmanuel Bernard <emmanuel@hibernate.org>
*/
public class OgmSession implements org.hibernate.Session, EventSource {
private static final Log log = LoggerFactory.make();
private final EventSource delegate;
private final OgmSessionFactory factory;
private QueryParserService queryParserService;
public OgmSession(OgmSessionFactory factory, EventSource delegate) {
this.delegate = delegate;
this.factory = factory;
}
//Overridden methods
@Override
public SessionFactoryImplementor getFactory() {
return factory;
}
@Override
public OgmSessionFactory getSessionFactory() {
return factory;
}
@Override
public Criteria createCriteria(Class persistentClass) {
//TODO plug the Lucene engine
throw new NotSupportedException( "OGM-23", "Criteria queries are not supported yet" );
}
@Override
public Criteria createCriteria(Class persistentClass, String alias) {
//TODO plug the Lucene engine
throw new NotSupportedException( "OGM-23", "Criteria queries are not supported yet" );
}
@Override
public Criteria createCriteria(String entityName) {
//TODO plug the Lucene engine
throw new NotSupportedException( "OGM-23", "Criteria queries are not supported yet" );
}
@Override
public Criteria createCriteria(String entityName, String alias) {
//TODO plug the Lucene engine
throw new NotSupportedException( "OGM-23", "Criteria queries are not supported yet" );
}
@Override
public Query createQuery(String queryString) throws HibernateException {
errorIfClosed();
Map enabledFilters = Collections.EMPTY_MAP; //What here?
// Use existing Hibernate ORM special-purpose parser to extract the parameters metadata.
// I think we have the same details in our AST already, but I keep this for now to not
// diverge too much from ORM code.
try {
HQLQueryPlan plan = new HQLQueryPlan( queryString, false, enabledFilters, factory );
ParameterMetadata parameterMetadata = plan.getParameterMetadata();
//TODO make sure the HQLQueryPlan et al are cached at some level
OgmQuery query = new OgmQuery( queryString, getFlushMode(), this, parameterMetadata, getQueryParserService() );
query.setComment( queryString );
return query;
}
catch ( QuerySyntaxException qse ) {
throw log.querySyntaxException( qse, queryString );
}
}
private QueryParserService getQueryParserService() {
if ( queryParserService == null ) {
queryParserService = getSessionFactory().getServiceRegistry().getService( QueryParserService.class );
}
return queryParserService;
}
@Override
public SQLQuery createSQLQuery(String queryString) throws HibernateException {
throw new IllegalStateException( "Hibernate OGM does not support native queries" );
}
@Override
public Query createFilter(Object collection, String queryString) throws HibernateException {
//TODO plug the Lucene engine
throw new NotSupportedException( "OGM-24", "filters are not supported yet" );
}
@Override
public Filter enableFilter(String filterName) {
throw new NotSupportedException( "OGM-25", "filters are not supported yet" );
}
@Override
public Filter getEnabledFilter(String filterName) {
return delegate.getEnabledFilter( filterName );
}
@Override
public void disableFilter(String filterName) {
throw new NotSupportedException( "OGM-25", "filters are not supported yet" );
}
@Override
public void doWork(Work work) throws HibernateException {
throw new IllegalStateException( "Hibernate OGM does not support SQL Connections hence no Work" );
}
@Override
public <T> T doReturningWork(ReturningWork<T> work) throws HibernateException {
return delegate.doReturningWork( work );
}
//Event Source methods
@Override
public ActionQueue getActionQueue() {
return delegate.getActionQueue();
}
@Override
public Object instantiate(EntityPersister persister, Serializable id) throws HibernateException {
return delegate.instantiate( persister, id );
}
@Override
public void forceFlush(EntityEntry e) throws HibernateException {
delegate.forceFlush( e );
}
@Override
public void merge(String entityName, Object object, Map copiedAlready) throws HibernateException {
delegate.merge( entityName, object, copiedAlready );
}
@Override
public void persist(String entityName, Object object, Map createdAlready) throws HibernateException {
delegate.persist( entityName, object, createdAlready );
}
@Override
public void persistOnFlush(String entityName, Object object, Map copiedAlready) {
delegate.persistOnFlush( entityName, object, copiedAlready );
}
@Override
public void refresh(Object object, Map refreshedAlready) throws HibernateException {
delegate.refresh( object, refreshedAlready );
}
@Override
public void delete(String entityName, Object child, boolean isCascadeDeleteEnabled, Set transientEntities) {
delegate.delete( entityName, child, isCascadeDeleteEnabled, transientEntities );
}
@Override
public JdbcConnectionAccess getJdbcConnectionAccess() {
return delegate.getJdbcConnectionAccess();
}
@Override
public EntityKey generateEntityKey(Serializable id, EntityPersister persister) {
return delegate.generateEntityKey( id, persister );
}
@Override
public CacheKey generateCacheKey(Serializable id, Type type, String entityOrRoleName) {
return delegate.generateCacheKey( id, type, entityOrRoleName );
}
//SessionImplementor methods
@Override
public Interceptor getInterceptor() {
return delegate.getInterceptor();
}
@Override
public void setAutoClear(boolean enabled) {
delegate.setAutoClear( enabled );
}
@Override
public void disableTransactionAutoJoin() {
delegate.disableTransactionAutoJoin();
}
@Override
public boolean isTransactionInProgress() {
return delegate.isTransactionInProgress();
}
@Override
public void initializeCollection(PersistentCollection collection, boolean writing) throws HibernateException {
delegate.initializeCollection( collection, writing );
}
@Override
public Object internalLoad(String entityName, Serializable id, boolean eager, boolean nullable)
throws HibernateException {
return delegate.internalLoad( entityName, id, eager, nullable );
}
@Override
public Object immediateLoad(String entityName, Serializable id) throws HibernateException {
return delegate.immediateLoad( entityName, id );
}
@Override
public long getTimestamp() {
return delegate.getTimestamp();
}
@Override
public List list(String query, QueryParameters queryParameters) throws HibernateException {
return delegate.list( query, queryParameters );
}
@Override
public Iterator iterate(String query, QueryParameters queryParameters) throws HibernateException {
return delegate.iterate( query, queryParameters );
}
@Override
public ScrollableResults scroll(String query, QueryParameters queryParameters) throws HibernateException {
return delegate.scroll( query, queryParameters );
}
@Override
public ScrollableResults scroll(CriteriaImpl criteria, ScrollMode scrollMode) {
return delegate.scroll( criteria, scrollMode );
}
@Override
public List list(CriteriaImpl criteria) {
return delegate.list( criteria );
}
@Override
public List listFilter(Object collection, String filter, QueryParameters queryParameters)
throws HibernateException {
return delegate.listFilter( collection, filter, queryParameters );
}
@Override
public Iterator iterateFilter(Object collection, String filter, QueryParameters queryParameters)
throws HibernateException {
return delegate.iterateFilter( collection, filter, queryParameters );
}
@Override
public EntityPersister getEntityPersister(String entityName, Object object) throws HibernateException {
return delegate.getEntityPersister( entityName, object );
}
@Override
public Object getEntityUsingInterceptor(EntityKey key) throws HibernateException {
return delegate.getEntityUsingInterceptor( key );
}
@Override
public Serializable getContextEntityIdentifier(Object object) {
return delegate.getContextEntityIdentifier( object );
}
@Override
public String bestGuessEntityName(Object object) {
return delegate.bestGuessEntityName( object );
}
@Override
public String guessEntityName(Object entity) throws HibernateException {
return delegate.guessEntityName( entity );
}
@Override
public Object instantiate(String entityName, Serializable id) throws HibernateException {
return delegate.instantiate( entityName, id );
}
@Override
public List listCustomQuery(CustomQuery customQuery, QueryParameters queryParameters) throws HibernateException {
return delegate.listCustomQuery( customQuery, queryParameters );
}
@Override
public ScrollableResults scrollCustomQuery(CustomQuery customQuery, QueryParameters queryParameters)
throws HibernateException {
return delegate.scrollCustomQuery( customQuery, queryParameters );
}
@Override
public List list(NativeSQLQuerySpecification spec, QueryParameters queryParameters) throws HibernateException {
return delegate.list( spec, queryParameters );
}
@Override
public ScrollableResults scroll(NativeSQLQuerySpecification spec, QueryParameters queryParameters)
throws HibernateException {
return delegate.scroll( spec, queryParameters );
}
@Override
public Object getFilterParameterValue(String filterParameterName) {
return delegate.getFilterParameterValue( filterParameterName );
}
@Override
public Type getFilterParameterType(String filterParameterName) {
return delegate.getFilterParameterType( filterParameterName );
}
@Override
public Map getEnabledFilters() {
return delegate.getEnabledFilters();
}
@Override
public int getDontFlushFromFind() {
return delegate.getDontFlushFromFind();
}
@Override
public PersistenceContext getPersistenceContext() {
return delegate.getPersistenceContext();
}
@Override
public int executeUpdate(String query, QueryParameters queryParameters) throws HibernateException {
return delegate.executeUpdate( query, queryParameters );
}
@Override
public int executeNativeUpdate(NativeSQLQuerySpecification specification, QueryParameters queryParameters)
throws HibernateException {
return delegate.executeNativeUpdate( specification, queryParameters );
}
@Override
public NonFlushedChanges getNonFlushedChanges() throws HibernateException {
return delegate.getNonFlushedChanges();
}
@Override
public void applyNonFlushedChanges(NonFlushedChanges nonFlushedChanges) throws HibernateException {
delegate.applyNonFlushedChanges( nonFlushedChanges );
}
//SessionImplementor methods
@Override
public Query getNamedQuery(String name) {
return delegate.getNamedQuery( name );
}
@Override
public Query getNamedSQLQuery(String name) {
return delegate.getNamedSQLQuery( name );
}
@Override
public boolean isEventSource() {
return delegate.isEventSource();
}
@Override
public void afterScrollOperation() {
delegate.afterScrollOperation();
}
@Override
public String getFetchProfile() {
return delegate.getFetchProfile();
}
@Override
public void setFetchProfile(String name) {
delegate.setFetchProfile( name );
}
@Override
public TransactionCoordinator getTransactionCoordinator() {
return delegate.getTransactionCoordinator();
}
@Override
public boolean isClosed() {
return delegate.isClosed();
}
@Override
public LoadQueryInfluencers getLoadQueryInfluencers() {
return delegate.getLoadQueryInfluencers();
}
//Session methods
@Override
public CacheMode getCacheMode() {
return delegate.getCacheMode();
}
@Override
public void setCacheMode(CacheMode cm) {
delegate.setCacheMode( cm );
}
@Override
public boolean isOpen() {
return delegate.isOpen();
}
@Override
public boolean isConnected() {
return delegate.isConnected();
}
@Override
public FlushMode getFlushMode() {
return delegate.getFlushMode();
}
@Override
public void setFlushMode(FlushMode fm) {
delegate.setFlushMode( fm );
}
@Override
public Connection connection() {
return delegate.connection();
}
@Override
public SharedSessionBuilder sessionWithOptions() {
return new OgmSharedSessionBuilderDelegator( delegate.sessionWithOptions(), factory );
}
@Override
public void flush() {
delegate.flush();
}
@Override
public Connection close() throws HibernateException {
return delegate.close();
}
@Override
public void cancelQuery() throws HibernateException {
delegate.cancelQuery();
}
@Override
public boolean isDirty() throws HibernateException {
return delegate.isDirty();
}
@Override
public boolean isDefaultReadOnly() {
return delegate.isDefaultReadOnly();
}
@Override
public void setDefaultReadOnly(boolean readOnly) {
delegate.setDefaultReadOnly( readOnly );
}
@Override
public Serializable getIdentifier(Object object) throws HibernateException {
return delegate.getIdentifier( object );
}
@Override
public boolean contains(Object object) {
return delegate.contains( object );
}
@Override
public void evict(Object object) throws HibernateException {
delegate.evict( object );
}
@Override
public Object load(Class theClass, Serializable id, LockMode lockMode) throws HibernateException {
return delegate.load( theClass, id, lockMode );
}
@Override
public Object load(Class theClass, Serializable id, LockOptions lockOptions) throws HibernateException {
return delegate.load( theClass, id, lockOptions );
}
@Override
public Object load(String entityName, Serializable id, LockMode lockMode) throws HibernateException {
return delegate.load( entityName, id, lockMode );
}
@Override
public Object load(String entityName, Serializable id, LockOptions lockOptions) throws HibernateException {
return delegate.load( entityName, id, lockOptions );
}
@Override
public Object load(Class theClass, Serializable id) throws HibernateException {
return delegate.load( theClass, id );
}
@Override
public Object load(String entityName, Serializable id) throws HibernateException {
return delegate.load( entityName, id );
}
@Override
public void load(Object object, Serializable id) throws HibernateException {
delegate.load( object, id );
}
@Override
public void replicate(Object object, ReplicationMode replicationMode) throws HibernateException {
delegate.replicate( object, replicationMode );
}
@Override
public void replicate(String entityName, Object object, ReplicationMode replicationMode) throws HibernateException {
delegate.replicate( entityName, object, replicationMode );
}
@Override
public Serializable save(Object object) throws HibernateException {
return delegate.save( object );
}
@Override
public Serializable save(String entityName, Object object) throws HibernateException {
return delegate.save( entityName, object );
}
@Override
public void saveOrUpdate(Object object) throws HibernateException {
delegate.saveOrUpdate( object );
}
@Override
public void saveOrUpdate(String entityName, Object object) throws HibernateException {
delegate.saveOrUpdate( entityName, object );
}
@Override
public void update(Object object) throws HibernateException {
delegate.update( object );
}
@Override
public void update(String entityName, Object object) throws HibernateException {
delegate.update( entityName, object );
}
@Override
public Object merge(Object object) throws HibernateException {
return delegate.merge( object );
}
@Override
public Object merge(String entityName, Object object) throws HibernateException {
return delegate.merge( entityName, object );
}
@Override
public void persist(Object object) throws HibernateException {
delegate.persist( object );
}
@Override
public void persist(String entityName, Object object) throws HibernateException {
delegate.persist( entityName, object );
}
@Override
public void delete(Object object) throws HibernateException {
delegate.delete( object );
}
@Override
public void delete(String entityName, Object object) throws HibernateException {
delegate.delete( entityName, object );
}
@Override
public void lock(Object object, LockMode lockMode) throws HibernateException {
delegate.lock( object, lockMode );
}
@Override
public void lock(String entityName, Object object, LockMode lockMode) throws HibernateException {
delegate.lock( entityName, object, lockMode );
}
@Override
public LockRequest buildLockRequest(LockOptions lockOptions) {
return delegate.buildLockRequest( lockOptions );
}
@Override
public void refresh(Object object) throws HibernateException {
delegate.refresh( object );
}
@Override
public void refresh(String entityName, Object object) throws HibernateException {
delegate.refresh( entityName, object );
}
@Override
public void refresh(Object object, LockMode lockMode) throws HibernateException {
delegate.refresh( object, lockMode );
}
@Override
public void refresh(Object object, LockOptions lockOptions) throws HibernateException {
delegate.refresh( object, lockOptions );
}
@Override
public void refresh(String entityName, Object object, LockOptions lockOptions) throws HibernateException {
delegate.refresh( entityName, object, lockOptions);
}
@Override
public LockMode getCurrentLockMode(Object object) throws HibernateException {
return delegate.getCurrentLockMode( object );
}
@Override
public String getTenantIdentifier() {
return delegate.getTenantIdentifier();
}
@Override
public Transaction beginTransaction() throws HibernateException {
return delegate.beginTransaction();
}
@Override
public Transaction getTransaction() {
return delegate.getTransaction();
}
@Override
public void clear() {
delegate.clear();
}
@Override
public Object get(Class clazz, Serializable id) throws HibernateException {
return delegate.get( clazz, id );
}
@Override
public Object get(Class clazz, Serializable id, LockMode lockMode) throws HibernateException {
return delegate.get( clazz, id, lockMode );
}
@Override
public Object get(Class clazz, Serializable id, LockOptions lockOptions) throws HibernateException {
return delegate.get( clazz, id, lockOptions );
}
@Override
public Object get(String entityName, Serializable id) throws HibernateException {
return delegate.get( entityName, id );
}
@Override
public Object get(String entityName, Serializable id, LockMode lockMode) throws HibernateException {
return delegate.get( entityName, id, lockMode );
}
@Override
public Object get(String entityName, Serializable id, LockOptions lockOptions) throws HibernateException {
return delegate.get( entityName, id, lockOptions );
}
@Override
public String getEntityName(Object object) throws HibernateException {
return delegate.getEntityName( object );
}
@Override
public SessionStatistics getStatistics() {
return delegate.getStatistics();
}
@Override
public boolean isReadOnly(Object entityOrProxy) {
return delegate.isReadOnly( entityOrProxy );
}
@Override
public void setReadOnly(Object entityOrProxy, boolean readOnly) {
delegate.setReadOnly( entityOrProxy, readOnly );
}
@Override
public Connection disconnect() throws HibernateException {
return delegate.disconnect();
}
@Override
public void reconnect(Connection connection) throws HibernateException {
delegate.reconnect( connection );
}
@Override
public boolean isFetchProfileEnabled(String name) throws UnknownProfileException {
return delegate.isFetchProfileEnabled( name );
}
@Override
public void enableFetchProfile(String name) throws UnknownProfileException {
delegate.enableFetchProfile( name );
}
@Override
public void disableFetchProfile(String name) throws UnknownProfileException {
delegate.disableFetchProfile( name );
}
@Override
public TypeHelper getTypeHelper() {
return delegate.getTypeHelper();
}
@Override
public LobHelper getLobHelper() {
return delegate.getLobHelper();
}
@Override
public <T> T execute(Callback<T> callback) {
return delegate.execute( callback );
}
@Override
public IdentifierLoadAccess byId(Class entityClass) {
return delegate.byId( entityClass );
}
@Override
public IdentifierLoadAccess byId(String entityName) {
return delegate.byId( entityName );
}
@Override
public NaturalIdLoadAccess byNaturalId(String entityName) {
return delegate.byNaturalId( entityName );
}
@Override
public NaturalIdLoadAccess byNaturalId(Class entityClass) {
return delegate.byNaturalId( entityClass );
}
@Override
public SimpleNaturalIdLoadAccess bySimpleNaturalId(String entityName) {
return delegate.bySimpleNaturalId( entityName );
}
@Override
public SimpleNaturalIdLoadAccess bySimpleNaturalId(Class entityClass) {
return delegate.bySimpleNaturalId( entityClass );
}
//Copied from org.hibernate.internal.AbstractSessionImpl.errorIfClosed()
//to mimic same behaviour
protected void errorIfClosed() {
if ( delegate.isClosed() ) {
throw new SessionException( "Session is closed!" );
}
}
}