com.headstrong.teevra.services.processadmin.dao.impl.ProcessScheduleDAOImpl.java Source code

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Here is the source code for com.headstrong.teevra.services.processadmin.dao.impl.ProcessScheduleDAOImpl.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: ProcessScheduleDAOImpl.java
 * $Revision: 
 * $Author: PAakash
 * $DateTime: Apr 2, 2009 
 */

package com.headstrong.teevra.services.processadmin.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.services.processadmin.dao.ProcessScheduleDAO;
import com.headstrong.teevra.services.processadmin.eo.ProcessScheduleEO;
import com.headstrong.teevra.services.processadmin.exception.ProcessAdminServiceException;

/**
 * ProcessScheduleDAOImpl implements ProcessScheduleDAO and performs CRUD
 * operations on ProcessSchedule
 */
public class ProcessScheduleDAOImpl extends BaseHibernateDAO<ProcessScheduleEO> implements ProcessScheduleDAO {

    /*
     * (non-Javadoc)
     * 
     * @see com.headstrong.teevra.services.processadmin.dao.ProcessScheduleDAO#deleteProcessSchedule(java.lang.Long)
     */
    public void deleteProcessSchedule(Long prcsId) throws ProcessAdminServiceException {
        DetachedCriteria criteria = DetachedCriteria.forClass(ProcessScheduleEO.class);
        criteria.add(Restrictions.eq("prcsId", prcsId));

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

    }

    /*
     * (non-Javadoc)
     * 
     * @see com.headstrong.teevra.services.processadmin.dao.ProcessScheduleDAO#getProcessSchedule(java.lang.Long)
     */
    public ProcessScheduleEO getProcessSchedule(Long prcsId) throws ProcessAdminServiceException {
        if ((prcsId == null)) {
            return null;
        }

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

    /*
     * (non-Javadoc)
     * 
     * @see com.headstrong.teevra.services.processadmin.dao.ProcessScheduleDAO#saveProcessSchedule(com.headstrong.teevra.services.processadmin.eo.ProcessScheduleEO)
     */
    public void saveProcessSchedule(ProcessScheduleEO processScheduleToSave) throws ProcessAdminServiceException {
        DetachedCriteria criteria = DetachedCriteria.forClass(ProcessScheduleEO.class);
        criteria.add(Restrictions.eq("prcsId", processScheduleToSave.getPrcsId()));

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

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

}