/*
 * Copyright (c) 2016, Jarmo Juujärvi, Sami Kallio, Kai Korhonen, Juha Moisio, Ilari Paananen 
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     1. Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *
 *     2. Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *
 *     3. Neither the name of the copyright holder nor the names of its 
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.moveatis.identityprovider;

import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.NoResultException;
import javax.persistence.PersistenceContext;
import javax.persistence.TypedQuery;

import com.moveatis.abstracts.AbstractBean;

/**
 * An example EJB that implements the custom identity provider service.
 * 
 * @author Sami Kallio <phinaliumz at outlook.com>
 */
@Stateless
public class IdentityProviderBean extends AbstractBean<IdentityProviderInformationEntity> {

	@PersistenceContext(unitName = "MOVEATIS_PERSISTENCE")
	private EntityManager em;

	public IdentityProviderBean() {
		super(IdentityProviderInformationEntity.class);
	}

	@Override
	protected EntityManager getEntityManager() {
		return em;
	}

	public IdentityProviderInformationEntity findIpEntityByUsername(String userName) {
		TypedQuery<IdentityProviderInformationEntity> query = em
				.createNamedQuery("findIdentityProviderEntityByUsername", IdentityProviderInformationEntity.class);
		try {
			IdentityProviderInformationEntity entity = query.setParameter("username", userName).getSingleResult();
			return entity;
		} catch (NoResultException noResult) {
			return null;
		}
	}

}