com.headstrong.teevra.services.useradmin.dao.impl.RoleDAOImpl.java Source code

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Here is the source code for com.headstrong.teevra.services.useradmin.dao.impl.RoleDAOImpl.java

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/*
 * The information in this document is subject to change without notice and 
 * does not represent a commitment by Headstrong Corporation. The software 
 * and/or databases described in this document are furnished under a license 
 * agreement and may be used or copied only in accordance with the terms of 
 * the agreement. 
 * 
 * Copyright  2008 Headstrong Corporation
 * All rights reserved.
 * 
 * $Id: RoleDAOImpl.java
 * $Revision: 
 * $Author: ViswanathP
 * $DateTime: Apr 28, 2009 
 */

package com.headstrong.teevra.services.useradmin.dao.impl;

import java.util.List;

import org.hibernate.criterion.DetachedCriteria;
import org.hibernate.criterion.Restrictions;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.headstrong.teevra.common.dao.hibernate.BaseHibernateDAO;
import com.headstrong.teevra.services.useradmin.dao.RoleDAO;
import com.headstrong.teevra.services.useradmin.eo.RoleEO;
import com.headstrong.teevra.services.useradmin.exception.UniqueRoleException;
import com.headstrong.teevra.services.useradmin.exception.UserAdminServiceException;

/**
 * Implements CRUD operations on roles
 */
public class RoleDAOImpl extends BaseHibernateDAO<RoleEO> implements RoleDAO {
    /**
     * Logger for RoleDAOImpl
     */
    private static Logger logger = LoggerFactory.getLogger(RoleDAOImpl.class);

    /*
     * (non-Javadoc)
     * 
     * @see com.headstrong.teevra.services.useradmin.dao.RoleDAO#saveRole(com.headstrong.teevra.services.useradmin.eo.RoleEO)
     */
    public void saveRole(RoleEO roleToSave) throws UserAdminServiceException {
        DetachedCriteria criteria = DetachedCriteria.forClass(RoleEO.class);
        criteria.add(Restrictions.eq("roleName", roleToSave.getRoleName()));
        if (roleToSave.getRoleId() != null) {
            criteria.add(Restrictions.ne("roleId", roleToSave.getRoleId()));
        }
        List<RoleEO> roleList = super.getByCriteria(criteria);

        if (!roleList.isEmpty()) {
            logger.error("Couldn't save role: " + roleToSave.getRoleName()
                    + " A role with the same name already exists in the system");
            throw new UniqueRoleException("A role with the name " + "'" + roleToSave.getRoleName() + "'"
                    + " already exists in the system");
        } else {
            super.saveOrUpdate(roleToSave);
        }

    }

    /*
     * (non-Javadoc)
     * 
     * @see com.headstrong.teevra.services.useradmin.dao.RoleDAO#deleteRole(java.lang.Long)
     */
    public void deleteRole(Long roleId) throws UserAdminServiceException {

        // delete from User_Role table
        bulkUpdate("delete from UserRoleEO where roleId = ?", new Object[] { roleId });
        logger.info("User-Role mappings with role id " + roleId + " have been unregistered successfully");
        // delete from Role_Activity table
        bulkUpdate("delete from RoleActivityEO where roleId = ?", new Object[] { roleId });
        logger.info("Role-Activity mappings with role id " + roleId + " have been unregistered successfully");

        // delete from Role table
        bulkUpdate("delete from RoleEO where roleId = ?", new Object[] { roleId });
        logger.info("Role with role id " + roleId + " has been unregistered successfully");

    }

    /*
     * (non-Javadoc)
     * 
     * @see com.headstrong.teevra.services.useradmin.dao.RoleDAO#getRoles()
     */
    public List<RoleEO> getRoles() throws UserAdminServiceException {

        String query = "from RoleEO role";
        return super.getByQuery(query);
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.headstrong.teevra.services.useradmin.dao.RoleDAO#getRoles(java.lang.Long)
     */
    public List<RoleEO> getRoles(Long userId) throws UserAdminServiceException {
        String query = "from RoleEO r where roleId IN (select roleId FROM UserRoleEO ur where ur.userId =" + userId
                + ")";
        return super.getByQuery(query);
    }

}