com.headstrong.teevra.services.refdata.dao.impl.RefDataConfigDAOImpl.java Source code

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Here is the source code for com.headstrong.teevra.services.refdata.dao.impl.RefDataConfigDAOImpl.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: RefdataConfigDAO.java
 * $Revision: 
 * $Author: ViswanathP
 * $DateTime: Dec 24, 2008 
 */

package com.headstrong.teevra.services.refdata.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.refdata.dao.RefDataConfigDAO;
import com.headstrong.teevra.services.refdata.eo.RefDataConfigEO;
import com.headstrong.teevra.services.refdata.exception.RefDataConfigDeleteException;
import com.headstrong.teevra.services.refdata.exception.RefDataServiceException;
import com.headstrong.teevra.services.refdata.exception.UniqueRefDataConfigException;

/**
 * RefdataConfigDAOImpl implements RefdataConfigDAO and contains methods to
 * perform CRUD operations on refdata.
 */
public class RefDataConfigDAOImpl extends BaseHibernateDAO<RefDataConfigEO> implements RefDataConfigDAO {

    /**
     * Logger for DataSourceConfigDAOImpl
     */
    private static Logger logger = LoggerFactory.getLogger(RefDataConfigDAOImpl.class);

    /*
     * (non-Javadoc)
     * 
     * @see com.headstrong.teevra.services.refdata.dao.RefDataConfigDAO#getRefDataConfigs()
     */
    public List<RefDataConfigEO> getRefDataConfigs() throws RefDataServiceException {
        String query = "from RefDataConfigEO refDataConfig";
        List<RefDataConfigEO> refDataConfigList = super.getByQuery(query);

        if (!refDataConfigList.isEmpty()) {
            for (RefDataConfigEO refData : refDataConfigList) {
                refData.setDataSourceName(refData.getDataSourceConfig().getDataSourceName());
            }
        }
        return refDataConfigList;
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.headstrong.teevra.services.refdata.dao.RefDataConfigDAO#saveRefDataConfig(com.headstrong.teevra.services.refdata.eo.RefDataConfigEO)
     */
    public void saveRefDataConfig(RefDataConfigEO refDataConfigToSave) throws RefDataServiceException {
        DetachedCriteria criteria = DetachedCriteria.forClass(RefDataConfigEO.class);
        criteria.add(Restrictions.eq("refDataName", refDataConfigToSave.getRefDataName()));
        if (refDataConfigToSave.getRefDataId() != null) {
            criteria.add(Restrictions.ne("refDataId", refDataConfigToSave.getRefDataId()));
        }
        List<RefDataConfigEO> configList = super.getByCriteria(criteria);

        if (!configList.isEmpty()) {
            logger.error("A Refdata with the same name already exists in the system");
            throw new UniqueRefDataConfigException("A reference data with the name " + "'"
                    + refDataConfigToSave.getRefDataName() + "'" + " is already exists in the system");
        } else {
            super.saveOrUpdate(refDataConfigToSave);

        }

    }

    /*
     * (non-Javadoc)
     * 
     * @see com.headstrong.teevra.services.refdata.dao.RefDataConfigDAO#deleteRefDataConfig(java.lang.String)
     */
    public void deleteRefDataConfig(String refDataName) throws RefDataServiceException {
        List<RefDataConfigEO> refDataConfigList = super.getByCriteria(
                DetachedCriteria.forClass(RefDataConfigEO.class).add(Restrictions.eq("refDataName", refDataName)));

        if (!refDataConfigList.isEmpty()) {
            super.delete(refDataConfigList.get(0));
        } else {

            logger.error("Couldn't delete.. there is no such reference data configuration");
            throw new RefDataConfigDeleteException("Cannot delete the reference data configuration with name: "
                    + "'" + refDataName + "'" + ". there is no such reference data configuration");

        }

    }
}