com.nec.harvest.service.impl.BusinessDayServiceImpl.java Source code

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Here is the source code for com.nec.harvest.service.impl.BusinessDayServiceImpl.java

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/**
 * Copyright(C) 2014
 * NEC Corporation All rights reserved.
 * 
 * No permission to use, copy, modify and distribute this software
 * and its documentation for any purpose is granted.
 * This software is provided under applicable license agreement only.
 */
package com.nec.harvest.service.impl;

import java.util.List;

import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.lang.StringUtils;
import org.hibernate.Criteria;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.criterion.Criterion;
import org.hibernate.criterion.Restrictions;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.nec.core.exception.ObjectNotFoundException;
import com.nec.core.exception.TooManyObjectsException;
import com.nec.crud.hibernate.HibernateSessionManager;
import com.nec.harvest.constant.Constants;
import com.nec.harvest.exception.ServiceException;
import com.nec.harvest.model.BusinessDay;
import com.nec.harvest.repository.BusinessDayRepository;
import com.nec.harvest.service.BusinessDayService;

/**
 * {@link BusinessDayService}
 * 
 * @author sondn
 *
 */
public class BusinessDayServiceImpl implements BusinessDayService {

    @SuppressWarnings("unused")
    private static final Logger logger = LoggerFactory.getLogger(BusinessDayServiceImpl.class);

    private BusinessDayRepository repository;

    public BusinessDayServiceImpl(BusinessDayRepository businessDayRepository) {
        this.repository = businessDayRepository;
    }

    @Override
    public BusinessDay findLatest() throws ServiceException {
        final Session session = HibernateSessionManager.getSession();
        Transaction tx = null;

        BusinessDay businessDay = null;
        try {
            tx = session.beginTransaction();
            List<BusinessDay> businessDates = repository.findAll(session);
            // Release transaction
            tx.commit();
            if (CollectionUtils.isEmpty(businessDates)) {
                throw new ObjectNotFoundException("There is no business day");
            }
            if (businessDates.size() > 1) {
                throw new TooManyObjectsException("Found too many business day");
            }

            businessDay = businessDates.get(0);
        } catch (HibernateException ex) {
            if (tx != null) {
                tx.rollback();
            }
            throw new ServiceException("An error occurred when trying to find the latest business day", ex);
        } finally {
            HibernateSessionManager.closeSession(session);
        }
        return businessDay;
    }

    /** {@inheritDoc} */
    @Override
    public BusinessDay findByEigyobiCode(String eigCode) throws ServiceException {
        if (StringUtils.isEmpty(eigCode)) {
            throw new IllegalArgumentException("Eigyobi code must not be null or empty");
        }

        final Session session = HibernateSessionManager.getSession();
        Transaction tx = null;

        BusinessDay businessDay = null;
        try {
            tx = session.beginTransaction();
            Criterion criterion = Restrictions.and(Restrictions.eq("eigCode", eigCode),
                    Restrictions.eq("delKbn", Constants.STATUS_ACTIVE));
            Criteria criteria = repository.getCriteria(session, BusinessDay.class);
            criteria.add(criterion);
            List<BusinessDay> businessDates = repository.findByCriteria(criteria);
            // Release transaction
            tx.commit();
            if (CollectionUtils.isEmpty(businessDates)) {
                throw new ObjectNotFoundException("There is no businessDay with eigCode of " + eigCode);
            }

            if (businessDates.size() > 1) {
                throw new TooManyObjectsException("Found too many business days are the same with " + eigCode);
            }

            businessDay = businessDates.get(0);
        } catch (HibernateException ex) {
            if (tx != null) {
                tx.rollback();
            }
            throw new ServiceException("Could not find any record for business day code " + eigCode, ex);
        } finally {
            HibernateSessionManager.closeSession(session);
        }
        return businessDay;
    }

}