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org.hibernate.search.impl.FullTextSessionImpl Maven / Gradle / Ivy
//$Id: $
package org.hibernate.search.impl;
import java.io.Serializable;
import java.sql.Connection;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.concurrent.locks.ReentrantLock;
import javax.transaction.Status;
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;
import org.hibernate.engine.query.ParameterMetadata;
import org.hibernate.impl.SessionImpl;
import org.hibernate.search.query.FullTextQueryImpl;
import org.hibernate.search.event.FullTextIndexEventListener;
import org.hibernate.search.util.ContextHelper;
import org.hibernate.search.engine.DocumentBuilder;
import org.hibernate.search.backend.UpdateWork;
import org.hibernate.search.backend.Work;
import org.hibernate.search.backend.WorkQueue;
import org.hibernate.search.backend.impl.BatchLuceneWorkQueue;
import org.hibernate.search.backend.impl.PostTransactionWorkQueueSynchronization;
import org.hibernate.search.store.DirectoryProvider;
import org.hibernate.search.FullTextSession;
import org.hibernate.stat.SessionStatistics;
import org.hibernate.type.Type;
import org.apache.lucene.document.Document;
/**
* Lucene Full text search aware session
*
* @author Emmanuel Bernard
*/
public class FullTextSessionImpl implements FullTextSession {
private final SessionImpl session;
private PostTransactionWorkQueueSynchronization postTransactionWorkQueueSynch;
public FullTextSessionImpl(Session session) {
this.session = (SessionImpl) session;
}
/**
* Execute a Lucene query and retrieve managed objects of type entities (or their indexed subclasses)
* If entities is empty, include all indexed entities
*
* @param entities must be immutable for the lifetime of the query object
*/
public Query createFullTextQuery(org.apache.lucene.search.Query luceneQuery, Class... entities) {
return new FullTextQueryImpl( luceneQuery, entities, session, new ParameterMetadata(null, null) );
}
/**
* (re)index an entity.
* Non indexable entities are ignored
* The entity must be associated with the session
*
* @param entity must not be null
*/
public void index(Object entity) {
if (entity == null) return;
Class clazz = entity.getClass();
FullTextIndexEventListener listener = ContextHelper.getLuceneEventListener( session );
DocumentBuilder builder = listener.getDocumentBuilders().get( clazz );
if ( builder != null ) {
Serializable id = session.getIdentifier( entity );
Document doc = builder.getDocument( entity, id );
UpdateWork work = new UpdateWork( id, entity.getClass(), doc );
processWork( work, listener.getDocumentBuilders(), listener.getLockableDirectoryProviders() );
}
//TODO
//need to add elements in a queue kept at the Session level
//the queue will be processed by a Lucene(Auto)FlushEventListener
//note that we could keep this queue somewhere in the event listener in the mean time but that requires
// a synchronized hashmap holding this queue on a per session basis plus some session house keeping (yuk)
//an other solution would be to subclass SessionImpl instead of having this LuceneSession delecation model
// this is an open discussion
}
private void processWork(Work work, Map> documentBuilders,
Map lockableDirectoryProviders) {
if ( session.isTransactionInProgress() ) {
if ( postTransactionWorkQueueSynch == null || postTransactionWorkQueueSynch.isConsumed() ) {
postTransactionWorkQueueSynch = createWorkQueueSync( documentBuilders, lockableDirectoryProviders);
session.getTransaction().registerSynchronization( postTransactionWorkQueueSynch );
}
postTransactionWorkQueueSynch.add( work );
}
else {
//no transaction work right away
PostTransactionWorkQueueSynchronization sync =
createWorkQueueSync( documentBuilders, lockableDirectoryProviders );
sync.add( work );
sync.afterCompletion( Status.STATUS_COMMITTED );
}
}
private PostTransactionWorkQueueSynchronization createWorkQueueSync(
Map> documentBuilders,
Map lockableDirectoryProviders) {
WorkQueue workQueue = new BatchLuceneWorkQueue( documentBuilders, lockableDirectoryProviders );
return new PostTransactionWorkQueueSynchronization( workQueue );
}
public Query createSQLQuery(String sql, String returnAlias, Class returnClass) {
return session.createSQLQuery( sql, returnAlias, returnClass );
}
public Query createSQLQuery(String sql, String[] returnAliases, Class[] returnClasses) {
return session.createSQLQuery( sql, returnAliases, returnClasses );
}
public int delete(String query) throws HibernateException {
return session.delete( query );
}
public int delete(String query, Object value, Type type) throws HibernateException {
return session.delete( query, value, type );
}
public int delete(String query, Object[] values, Type[] types) throws HibernateException {
return session.delete( query, values, types );
}
public Collection filter(Object collection, String filter) throws HibernateException {
return session.filter( collection, filter );
}
public Collection filter(Object collection, String filter, Object value, Type type) throws HibernateException {
return session.filter( collection, filter, value, type );
}
public Collection filter(Object collection, String filter, Object[] values, Type[] types) throws HibernateException {
return session.filter( collection, filter, values, types );
}
public List find(String query) throws HibernateException {
return session.find( query );
}
public List find(String query, Object value, Type type) throws HibernateException {
return session.find( query, value, type );
}
public List find(String query, Object[] values, Type[] types) throws HibernateException {
return session.find( query, values, types );
}
public Iterator iterate(String query) throws HibernateException {
return session.iterate( query );
}
public Iterator iterate(String query, Object value, Type type) throws HibernateException {
return session.iterate( query, value, type );
}
public Iterator iterate(String query, Object[] values, Type[] types) throws HibernateException {
return session.iterate( query, values, types );
}
public void save(String entityName, Object object, Serializable id) throws HibernateException {
session.save( entityName, object, id );
}
public void save(Object object, Serializable id) throws HibernateException {
session.save( object, id );
}
public Object saveOrUpdateCopy(String entityName, Object object) throws HibernateException {
return session.saveOrUpdateCopy( entityName, object );
}
public Object saveOrUpdateCopy(String entityName, Object object, Serializable id) throws HibernateException {
return session.saveOrUpdateCopy( entityName, object, id );
}
public Object saveOrUpdateCopy(Object object) throws HibernateException {
return session.saveOrUpdateCopy( object );
}
public Object saveOrUpdateCopy(Object object, Serializable id) throws HibernateException {
return session.saveOrUpdateCopy( object, id );
}
public void update(String entityName, Object object, Serializable id) throws HibernateException {
session.update( entityName, object, id );
}
public void update(Object object, Serializable id) throws HibernateException {
session.update( object, id );
}
public Transaction beginTransaction() throws HibernateException {
return session.beginTransaction();
}
public void cancelQuery() throws HibernateException {
session.cancelQuery();
}
public void clear() {
if (postTransactionWorkQueueSynch != null && !postTransactionWorkQueueSynch.isConsumed() ) {
postTransactionWorkQueueSynch.afterCompletion( Status.STATUS_ROLLEDBACK );
}
session.clear();
}
public Connection close() throws HibernateException {
return session.close();
}
public Connection connection() throws HibernateException {
return session.connection();
}
public boolean contains(Object object) {
return session.contains( object );
}
public Criteria createCriteria(String entityName) {
return session.createCriteria( entityName );
}
public Criteria createCriteria(String entityName, String alias) {
return session.createCriteria( entityName, alias );
}
public Criteria createCriteria(Class persistentClass) {
return session.createCriteria( persistentClass );
}
public Criteria createCriteria(Class persistentClass, String alias) {
return session.createCriteria( persistentClass, alias );
}
public Query createFilter(Object collection, String queryString) throws HibernateException {
return session.createFilter( collection, queryString );
}
public Query createQuery(String queryString) throws HibernateException {
return session.createQuery( queryString );
}
public SQLQuery createSQLQuery(String queryString) throws HibernateException {
return session.createSQLQuery( queryString );
}
public void delete(String entityName, Object object) throws HibernateException {
session.delete( entityName, object );
}
public void delete(Object object) throws HibernateException {
session.delete( object );
}
public void disableFilter(String filterName) {
session.disableFilter( filterName );
}
public Connection disconnect() throws HibernateException {
return session.disconnect();
}
public Filter enableFilter(String filterName) {
return session.enableFilter( filterName );
}
public void evict(Object object) throws HibernateException {
session.evict( object );
}
public void flush() throws HibernateException {
session.flush();
}
public Object get(Class clazz, Serializable id) throws HibernateException {
return session.get( clazz, id );
}
public Object get(Class clazz, Serializable id, LockMode lockMode) throws HibernateException {
return session.get( clazz, id, lockMode );
}
public Object get(String entityName, Serializable id) throws HibernateException {
return session.get( entityName, id );
}
public Object get(String entityName, Serializable id, LockMode lockMode) throws HibernateException {
return session.get( entityName, id, lockMode );
}
public CacheMode getCacheMode() {
return session.getCacheMode();
}
public LockMode getCurrentLockMode(Object object) throws HibernateException {
return session.getCurrentLockMode( object );
}
public Filter getEnabledFilter(String filterName) {
return session.getEnabledFilter( filterName );
}
public EntityMode getEntityMode() {
return session.getEntityMode();
}
public String getEntityName(Object object) throws HibernateException {
return session.getEntityName( object );
}
public FlushMode getFlushMode() {
return session.getFlushMode();
}
public Serializable getIdentifier(Object object) throws HibernateException {
return session.getIdentifier( object );
}
public Query getNamedQuery(String queryName) throws HibernateException {
return session.getNamedQuery( queryName );
}
public org.hibernate.Session getSession(EntityMode entityMode) {
return session.getSession( entityMode );
}
public SessionFactory getSessionFactory() {
return session.getSessionFactory();
}
public SessionStatistics getStatistics() {
return session.getStatistics();
}
public Transaction getTransaction() {
return session.getTransaction();
}
public boolean isConnected() {
return session.isConnected();
}
public boolean isDirty() throws HibernateException {
return session.isDirty();
}
public boolean isOpen() {
return session.isOpen();
}
public Object load(String entityName, Serializable id) throws HibernateException {
return session.load( entityName, id );
}
public Object load(String entityName, Serializable id, LockMode lockMode) throws HibernateException {
return session.load( entityName, id, lockMode );
}
public void load(Object object, Serializable id) throws HibernateException {
session.load( object, id );
}
public Object load(Class theClass, Serializable id) throws HibernateException {
return session.load( theClass, id );
}
public Object load(Class theClass, Serializable id, LockMode lockMode) throws HibernateException {
return session.load( theClass, id, lockMode );
}
public void lock(String entityName, Object object, LockMode lockMode) throws HibernateException {
session.lock( entityName, object, lockMode );
}
public void lock(Object object, LockMode lockMode) throws HibernateException {
session.lock( object, lockMode );
}
public Object merge(String entityName, Object object) throws HibernateException {
return session.merge( entityName, object );
}
public Object merge(Object object) throws HibernateException {
return session.merge( object );
}
public void persist(String entityName, Object object) throws HibernateException {
session.persist( entityName, object );
}
public void persist(Object object) throws HibernateException {
session.persist( object );
}
public void reconnect() throws HibernateException {
session.reconnect();
}
public void reconnect(Connection connection) throws HibernateException {
session.reconnect( connection );
}
public void refresh(Object object) throws HibernateException {
session.refresh( object );
}
public void refresh(Object object, LockMode lockMode) throws HibernateException {
session.refresh( object, lockMode );
}
public void replicate(String entityName, Object object, ReplicationMode replicationMode) throws HibernateException {
session.replicate( entityName, object, replicationMode );
}
public void replicate(Object object, ReplicationMode replicationMode) throws HibernateException {
session.replicate( object, replicationMode );
}
public Serializable save(String entityName, Object object) throws HibernateException {
return session.save( entityName, object );
}
public Serializable save(Object object) throws HibernateException {
return session.save( object );
}
public void saveOrUpdate(String entityName, Object object) throws HibernateException {
session.saveOrUpdate( entityName, object );
}
public void saveOrUpdate(Object object) throws HibernateException {
session.saveOrUpdate( object );
}
public void setCacheMode(CacheMode cacheMode) {
session.setCacheMode( cacheMode );
}
public void setFlushMode(FlushMode flushMode) {
session.setFlushMode( flushMode );
}
public void setReadOnly(Object entity, boolean readOnly) {
session.setReadOnly( entity, readOnly );
}
public void update(String entityName, Object object) throws HibernateException {
session.update( entityName, object );
}
public void update(Object object) throws HibernateException {
session.update( object );
}
}
