com.exp.tracker.services.impl.JpaRoleService.java Source code

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/*
 * Copyright 2013 the original author or authors.
 *
 * 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 com.exp.tracker.services.impl;

import java.util.ArrayList;
import java.util.List;

import javax.faces.model.SelectItem;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;

import org.springframework.stereotype.Repository;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.exp.tracker.data.entities.RoleEntity;
import com.exp.tracker.services.api.RoleService;

@Service("roleService")
@Repository
public class JpaRoleService implements RoleService {

    private EntityManager em;

    @PersistenceContext
    public void setEntityManager(EntityManager em) {
        this.em = em;
    }

    @SuppressWarnings("unchecked")
    @Transactional(readOnly = true)
    public List<RoleEntity> getRoles() {
        Query queryGetRoles = em.createNamedQuery("getRoles");
        return queryGetRoles.getResultList();
    }

    public List<SelectItem> getRolesSelectItems() {
        List<SelectItem> rl = new ArrayList<SelectItem>();
        for (RoleEntity re : getRoles()) {
            rl.add(new SelectItem(re.getRole(), re.getRole()));
        }
        return rl;
    }
}