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

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Here is the source code for com.nec.harvest.service.impl.DivisionServiceImpl.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.ArrayList;
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.Order;
import org.hibernate.criterion.Projections;
import org.hibernate.criterion.Restrictions;
import org.hibernate.transform.Transformers;

import com.nec.core.exception.ObjectNotFoundException;
import com.nec.crud.hibernate.HibernateSessionManager;
import com.nec.harvest.constant.Constants;
import com.nec.harvest.exception.ServiceException;
import com.nec.harvest.model.Division;
import com.nec.harvest.repository.DivisionRepository;
import com.nec.harvest.service.DivisionService;

/**
 * {@link DivisionService}
 * 
 * @author huonghv
 *
 */
public class DivisionServiceImpl implements DivisionService {

    private DivisionRepository repository;

    public DivisionServiceImpl(DivisionRepository repository) {
        this.repository = repository;
    }

    /** {@inheritDoc}*/
    @Override
    public List<Division> findByKbnId(String kbnId) throws ServiceException {
        if (StringUtils.isEmpty(kbnId)) {
            throw new IllegalArgumentException("Can not find division with kbnId empty");
        }

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

        List<Division> divisions = new ArrayList<>();
        try {
            tx = session.beginTransaction();
            Criteria criteria = repository.getCriteria(session, Division.class)
                    .setProjection(Projections.projectionList().add(Projections.property("kbnCode").as("kbnCode"))
                            .add(Projections.property("kbnName").as("kbnName")))
                    .add(Restrictions.eq("kbnID", kbnId)).add(Restrictions.eq("delKbn", Constants.STATUS_ACTIVE))
                    .addOrder(Order.asc("kbnCode")).setResultTransformer(Transformers.aliasToBean(Division.class));

            //
            divisions = repository.findByCriteria(criteria);
            // Release transaction
            tx.commit();
            if (CollectionUtils.isEmpty(divisions)) {
                throw new ObjectNotFoundException("No division object found");
            }
        } catch (HibernateException ex) {
            if (tx != null) {
                tx.rollback();
            }
            throw new ServiceException("Runtime exception occur when get list of division by kbnId " + kbnId, ex);
        } finally {
            HibernateSessionManager.closeSession(session);
        }
        return divisions;
    }

}