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The RichFaces core framework.

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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2013, Red Hat, Inc. and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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 software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.richfaces.application;

/**
 * 
 * Allows to store instances of service interfaces of given types.
 * 
 *
 * @author [email protected]
 *
 */
public interface ServicesFactory {
    /**
     * 
     * Get service instance associated with given type, usually service interface or base abstract class.
     * 
     *
     * @param  service type.
     * @param type Base class implemented by service.
     * @return Current service implementation.
     * @throws ServiceException if factory cannot create requested service.
     */
     T getInstance(Class type) throws ServiceException;

    /**
     * 
     * Associate concrete instance with service.
     * 
     *
     * @param  service type.
     * @param type Base class implemented by service.
     * @param instance service instance.
     */
     void setInstance(Class type, T instance);

    /**
     * 
     * Release all services.
     * 
     */
    void release();
}