org.hibernate.service.ServiceRegistry Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* 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, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY 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
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.service;
/**
* A registry of {@link Service services}.
*
* @author Steve Ebersole
*/
public interface ServiceRegistry {
/**
* Retrieve this registry's parent registry.
*
* @return The parent registry. May be null.
*/
public ServiceRegistry getParentServiceRegistry();
/**
* Retrieve a service by role. If service is not found, but a {@link org.hibernate.service.spi.ServiceInitiator} is
* registered for this service role, the service will be initialized and returned.
*
* NOTE: We cannot return {@code >} here because the service might come from the parent...
*
* @param serviceRole The service role
* @param The service role type
*
* @return The requested service.
*
* @throws UnknownServiceException Indicates the service was not known.
*/
public R getService(Class serviceRole);
}