br.com.caelum.vraptor.plugin.hibernate4.ServiceRegistryCreator.java Source code

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Here is the source code for br.com.caelum.vraptor.plugin.hibernate4.ServiceRegistryCreator.java

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/***
 * Copyright (c) 2011 Caelum - www.caelum.com.br/opensource
 * All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package br.com.caelum.vraptor.plugin.hibernate4;

import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;

import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.ServiceRegistry;

import br.com.caelum.vraptor.ioc.ApplicationScoped;
import br.com.caelum.vraptor.ioc.Component;
import br.com.caelum.vraptor.ioc.ComponentFactory;

/**
 * Create a Hibernate {@link ServiceRegistry}, once when application starts.
 * 
 * @author Otvio Scherer Garcia
 */
@Component
@ApplicationScoped
public class ServiceRegistryCreator implements ComponentFactory<ServiceRegistry> {

    private final Configuration cfg;
    private ServiceRegistry serviceRegistry;

    public ServiceRegistryCreator(Configuration cfg) {
        this.cfg = cfg;
    }

    /**
     * Builds a {@link ServiceRegistry}.
     */
    @PostConstruct
    public void create() {
        serviceRegistry = new StandardServiceRegistryBuilder().applySettings(cfg.getProperties()).build();
    }

    /**
     * Destroy the {@link ServiceRegistry} when application is shutting down.
     */
    @PreDestroy
    public void destroy() {
        StandardServiceRegistryBuilder.destroy(serviceRegistry);
    }

    public ServiceRegistry getInstance() {
        return serviceRegistry;
    }
}