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

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Here is the source code for com.headstrong.teevra.services.refdata.dao.impl.CacheReloadScheduleDAOImpl.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: CacheReloadScheduleDAOImpl.java
 * $Revision: 
 * $Author: NBagchi
 * $DateTime: Sept 10, 2010 
 */

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

import java.sql.Timestamp;
import java.util.List;

import org.hibernate.criterion.DetachedCriteria;
import org.hibernate.criterion.Restrictions;

import com.headstrong.teevra.common.dao.hibernate.BaseHibernateDAO;
import com.headstrong.teevra.common.scheduling.exception.SchedulingException;
import com.headstrong.teevra.services.refdata.dao.CacheReloadScheduleDAO;
import com.headstrong.teevra.services.refdata.eo.CacheReloadScheduleEO;

/**
 * CacheReloadScheduleDAOImpl implements CacheReloadScheduleDAO and performs
 * CRUD operations on CacheReloadSchedule
 */
public class CacheReloadScheduleDAOImpl extends BaseHibernateDAO<CacheReloadScheduleEO>
        implements CacheReloadScheduleDAO {

    /*
     * (non-Javadoc)
     * 
     * @see com.headstrong.teevra.services.refdata.dao.CacheReloadScheduleDAO#deleteCacheReloadSchedule(cacheName)
     */
    public void deleteCacheReloadSchedule(String cacheName) throws SchedulingException {
        DetachedCriteria criteria = DetachedCriteria.forClass(CacheReloadScheduleEO.class);
        criteria.add(Restrictions.eq("cacheName", cacheName));

        // fetch the schedule to delete
        List<CacheReloadScheduleEO> cacheReloadScheduleList = super.getByCriteria(criteria);
        // delete the cache schedule if it exits
        if (!cacheReloadScheduleList.isEmpty()) {
            super.delete(cacheReloadScheduleList.get(0));
        }

    }

    /*
     * (non-Javadoc)
     * 
     * @see com.headstrong.teevra.services.refdata.dao.CacheReloadScheduleDAO#getCacheReloadSchedule(cacheName)
     */
    public CacheReloadScheduleEO getCacheReloadSchedule(String cacheName) throws SchedulingException {
        if ((cacheName == null)) {
            return null;
        }

        List<CacheReloadScheduleEO> scheduleList = super.getByCriteria(DetachedCriteria
                .forClass(CacheReloadScheduleEO.class).add(Restrictions.eq("cacheName", cacheName)));
        return (scheduleList.size() > 0) ? scheduleList.get(0) : null;
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.headstrong.teevra.services.refdata.dao.CacheReloadScheduleDAO#saveCacheReloadSchedule(scheduleToSave)
     */
    public void saveCacheReloadSchedule(CacheReloadScheduleEO scheduleToSave) throws SchedulingException {
        DetachedCriteria criteria = DetachedCriteria.forClass(CacheReloadScheduleEO.class);
        criteria.add(Restrictions.eq("cacheName", scheduleToSave.getCacheName()));

        // fetch the schedule, if it already exists update it, else insert a
        // new record
        List<CacheReloadScheduleEO> scheduleList = super.getByCriteria(criteria);

        if (!scheduleList.isEmpty()) {
            // matching schedule exists already. update the modified fields
            CacheReloadScheduleEO temp = scheduleList.get(0);
            temp.setRecurrenceType(scheduleToSave.getRecurrenceType());
            temp.setRecurrence(scheduleToSave.getRecurrence());
            temp.setModifiedBy(System.getProperty("user.name"));
            temp.setModifiedDate(new Timestamp(System.currentTimeMillis()));
            scheduleToSave = temp;
        } else {
            // given schedule is a fresh one, hence update the created fields
            scheduleToSave.setCreatedBy(System.getProperty("user.name"));
            scheduleToSave.setCreatedDate(new Timestamp(System.currentTimeMillis()));
        }
        // save or update the schedule
        super.saveOrUpdate(scheduleToSave);
    }

}