br.ufba.dcc.mestrado.computacao.repository.impl.LicenseRepositoryImpl.java Source code

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Here is the source code for br.ufba.dcc.mestrado.computacao.repository.impl.LicenseRepositoryImpl.java

Source

package br.ufba.dcc.mestrado.computacao.repository.impl;

import javax.persistence.NoResultException;
import javax.persistence.NonUniqueResultException;
import javax.persistence.TypedQuery;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;

import org.springframework.stereotype.Repository;

import br.ufba.dcc.mestrado.computacao.entities.openhub.core.project.OpenHubLicenseEntity;
import br.ufba.dcc.mestrado.computacao.repository.base.LicenseRepository;

@Repository(LicenseRepositoryImpl.BEAN_NAME)
public class LicenseRepositoryImpl extends BaseRepositoryImpl<Long, OpenHubLicenseEntity>
        implements LicenseRepository {

    /**
     * 
     */
    private static final long serialVersionUID = 7801826722021443632L;

    public static final String BEAN_NAME = "licenseRepository";

    public LicenseRepositoryImpl() {
        super(OpenHubLicenseEntity.class);
    }

    @Override
    public OpenHubLicenseEntity findByName(String name) {
        CriteriaBuilder criteriaBuilder = getEntityManager().getCriteriaBuilder();
        CriteriaQuery<OpenHubLicenseEntity> criteriaQuery = criteriaBuilder.createQuery(getEntityClass());

        Root<OpenHubLicenseEntity> root = criteriaQuery.from(getEntityClass());
        CriteriaQuery<OpenHubLicenseEntity> select = criteriaQuery.select(root);

        Predicate namePredicate = criteriaBuilder.equal(root.get("name"), name);
        select.where(namePredicate);

        TypedQuery<OpenHubLicenseEntity> query = getEntityManager().createQuery(criteriaQuery);

        OpenHubLicenseEntity result = null;

        try {
            result = query.getSingleResult();
        } catch (NoResultException ex) {

        } catch (NonUniqueResultException ex) {

        }

        return result;
    }
}