/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* JBoss, Home of Professional Open Source
* Copyright 2012-2014 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.service.impl;
import org.hibernate.boot.registry.classloading.spi.ClassLoaderService;
import org.hibernate.cfg.Configuration;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.metamodel.source.MetadataImplementor;
import org.hibernate.ogm.cfg.OgmProperties;
import org.hibernate.ogm.cfg.impl.InternalProperties;
import org.hibernate.ogm.datastore.spi.DatastoreProvider;
import org.hibernate.ogm.util.configurationreader.impl.ConfigurationPropertyReader;
import org.hibernate.service.spi.ServiceRegistryImplementor;
import org.hibernate.service.spi.SessionFactoryServiceInitiator;
/**
* Initiator which contributes a {@link QueryParserService} implementation.
* <p>
* The implementation can be configured via {@link OgmProperties#QUERY_PARSER_SERVICE}. If no implementation is
* configured that way, the default implementation as retrieved from the current {@link DatastoreProvider} will be used.
*
* @author Sanne Grinovero <sanne@hibernate.org> (C) 2012 Red Hat Inc.
* @author Gunnar Morling
*/
class QueryParserServicesInitiator implements SessionFactoryServiceInitiator<QueryParserService> {
public static final SessionFactoryServiceInitiator<QueryParserService> INSTANCE = new QueryParserServicesInitiator();
@Override
public Class<QueryParserService> getServiceInitiated() {
return QueryParserService.class;
}
@Override
public QueryParserService initiateService(SessionFactoryImplementor sessionFactory, Configuration configuration, ServiceRegistryImplementor registry) {
ConfigurationPropertyReader propertyReader = new ConfigurationPropertyReader( configuration );
return propertyReader.property( InternalProperties.QUERY_PARSER_SERVICE, QueryParserService.class )
.instantiate()
.withClassLoaderService( registry.getService( ClassLoaderService.class ) )
.withDefaultImplementation( registry.getService( DatastoreProvider.class ).getDefaultQueryParserServiceType() )
.getValue();
}
@Override
public QueryParserService initiateService(SessionFactoryImplementor sessionFactory, MetadataImplementor metadata, ServiceRegistryImplementor registry) {
throw new UnsupportedOperationException( "Cannot create " + QueryParserService.class.getName() + " service using metadata" );
}
}