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xiaoliang330
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项目中很强大的两个DAO

 
阅读更多
直接贴代码了

public class DaoBase<T extends AuditedObject, PK extends Serializable> extends
        SimpleHibernateDao<T, PK> {//AuditedObject是dto

    @Override
    public void save(final T entity) {
        entity.updateAuditInfo();
        super.save(entity);
    }

    public void update(final T entity) {
        entity.updateAuditInfo();
        this.getSession().update(entity);
    }

    public void merge(final T entity) {
        entity.updateAuditInfo();
        this.getSession().merge(entity);
    }

    public void persist(final T entity) {
        entity.updateAuditInfo();
        this.getSession().persist(entity);
    }

    @SuppressWarnings("unchecked")
    @Override
    public T get(final PK id) {
        return (T) getSession().get(entityClass, id);
    }

    @SuppressWarnings("unchecked")
    public T load(final PK id) {
        return (T) getSession().load(entityClass, id);
    }

    public static final int DESC = 1;
    public static final int ASC = 0;

    public void pagination(final int pageNo, final int pageList, final Query query) {
        if (pageList > 0 && pageNo > 0) {
            query.setMaxResults(pageList);
            int beginIndex = (pageNo - 1) * pageList;
            query.setFirstResult(beginIndex);
        }
    }

    public void pagination(final int pageNo, final int pageList, final Criteria criteria) {
        if (pageList > 0 && pageNo > 0) {
            criteria.setMaxResults(pageList);
            int beginIndex = (pageNo - 1) * pageList;
            criteria.setFirstResult(beginIndex);
        }
    }

    public void addOrder(final int order, final String sort, final Criteria criteria) {

        if (sort != null) {
            if (order == DESC) {
                criteria.addOrder(Order.desc(sort));
            } else {
                criteria.addOrder(Order.asc(sort));
            }
        }
    }

    public void le(final String propertyName, final Object value, final Criteria criteria) {
        if (value != null) {
            Criterion criterion = Restrictions.le(propertyName, value);
            criteria.add(criterion);
        }
    }

    public void lt(final String propertyName, final Object value, final Criteria criteria) {
        if (value != null) {
            Criterion criterion = Restrictions.lt(propertyName, value);
            criteria.add(criterion);
        }
    }

    public void gt(final String propertyName, final Object value, final Criteria criteria) {
        if (value != null) {
            Criterion criterion = Restrictions.gt(propertyName, value);
            criteria.add(criterion);
        }
    }

    public void ge(final String propertyName, final Object value, final Criteria criteria) {
        if (value != null) {
            Criterion criterion = Restrictions.ge(propertyName, value);
            criteria.add(criterion);
        }
    }

    public void eq(final String propertyName, final Boolean value, final Criteria criteria) {
        if (value != null) {
            Criterion criterion = Restrictions.eq(propertyName, value);
            criteria.add(criterion);
        }
    }

    public void eq(final String propertyName, final Enum<?> value, final Criteria criteria) {
        if (value != null) {
            Criterion criterion = Restrictions.eq(propertyName, value);
            criteria.add(criterion);
        }
    }

    public void eq(final String propertyName, final String value, final Criteria criteria) {
        if (StringUtils.isNotEmpty(value)) {
            Criterion criterion = Restrictions.eq(propertyName, value);
            criteria.add(criterion);
        }
    }

    public void eq(final String propertyName, final int value, final Criteria criteria) {
        if (value > 0) {
            Criterion criterion = Restrictions.eq(propertyName, value);
            criteria.add(criterion);
        }
    }

    public void eq(final String propertyName, final Integer value, final Criteria criteria) {
        if (value != null) {
            Criterion criterion = Restrictions.eq(propertyName, value);
            criteria.add(criterion);
        }
    }

    public void like(final String propertyName, final String value, final Criteria criteria) {
        if (StringUtils.isNotEmpty(value)) {
            Criterion criterion = Restrictions.like(propertyName, value, MatchMode.ANYWHERE);
            criteria.add(criterion);
        }
    }

    public void in(final String propertyName, final String[] value, final Criteria criteria) {
        if (value.length > 1) {
            Criterion criterion = Restrictions.in(propertyName, value);
            criteria.add(criterion);
        }
    }

    // list

    public void le(final String propertyName, final Object value, final List<Criterion> criterions) {
        if (value != null) {
            Criterion criterion = Restrictions.le(propertyName, value);
            criterions.add(criterion);
        }
    }

    public void lt(final String propertyName, final Object value, final List<Criterion> criterions) {
        if (value != null) {
            Criterion criterion = Restrictions.lt(propertyName, value);
            criterions.add(criterion);
        }
    }

    public void gt(final String propertyName, final Object value, final List<Criterion> criterions) {
        if (value != null) {
            Criterion criterion = Restrictions.gt(propertyName, value);
            criterions.add(criterion);
        }
    }

    public void ge(final String propertyName, final Object value, final List<Criterion> criterions) {
        if (value != null) {
            Criterion criterion = Restrictions.ge(propertyName, value);
            criterions.add(criterion);
        }
    }

    public void eq(final String propertyName, final Boolean value, final List<Criterion> criterions) {
        if (value != null) {
            Criterion criterion = Restrictions.eq(propertyName, value);
            criterions.add(criterion);
        }
    }

    public void eq(final String propertyName, final Enum<?> value, final List<Criterion> criterions) {
        if (value != null) {
            Criterion criterion = Restrictions.eq(propertyName, value);
            criterions.add(criterion);
        }
    }

    public void eq(final String propertyName, final String value, final List<Criterion> criterions) {
        if (StringUtils.isNotEmpty(value)) {
            Criterion criterion = Restrictions.eq(propertyName, value);
            criterions.add(criterion);
        }
    }

    public void eq(final String propertyName, final int value, final List<Criterion> criterions) {
        if (value > 0) {
            Criterion criterion = Restrictions.eq(propertyName, value);
            criterions.add(criterion);
        }
    }

    public void eq(final String propertyName, final Integer value, final List<Criterion> criterions) {
        if (value != null) {
            Criterion criterion = Restrictions.eq(propertyName, value);
            criterions.add(criterion);
        }
    }

    public void like(final String propertyName, final String value, final List<Criterion> criterions) {
        if (StringUtils.isNotEmpty(value)) {
            Criterion criterion = Restrictions.like(propertyName, value, MatchMode.ANYWHERE);
            criterions.add(criterion);
        }
    }

    public void in(final String propertyName, final String[] value, final List<Criterion> criterions) {
        if (value.length > 1) {
            Criterion criterion = Restrictions.in(propertyName, value);
            criterions.add(criterion);
        }
    }

    //
    private static final ThreadLocal<Criteria> criteriaThread = new ThreadLocal<Criteria>();

    private Criteria getCriteria() {
        Criteria criteria = criteriaThread.get();
        if (criteria == null) {
            criteria = createCriteria();
            criteriaThread.set(criteria);
        }
        return criteria;
    }

    public DaoBase<T, PK> isNull(final String propertyName) {
        Criteria criteria = getCriteria();
        Criterion criterion = Restrictions.isNull(propertyName);
        criteria.add(criterion);
        return this;
    }

    public DaoBase<T, PK> isNotNull(final String propertyName) {
        Criteria criteria = getCriteria();
        Criterion criterion = Restrictions.isNotNull(propertyName);
        criteria.add(criterion);
        return this;
    }

    public DaoBase<T, PK> isEmpty(final String propertyName) {
        Criteria criteria = getCriteria();
        Criterion criterion = Restrictions.isEmpty(propertyName);
        criteria.add(criterion);
        return this;
    }

    public DaoBase<T, PK> isNotEmpty(final String propertyName) {
        Criteria criteria = getCriteria();
        Criterion criterion = Restrictions.isNotEmpty(propertyName);
        criteria.add(criterion);
        return this;
    }

    public DaoBase<T, PK> pagination(final int pageNo, final int pageList) {
        Criteria criteria = getCriteria();
        if (pageList > 0 && pageNo > 0) {
            criteria.setMaxResults(pageList);
            int beginIndex = (pageNo - 1) * pageList;
            criteria.setFirstResult(beginIndex);
        }
        return this;
    }

    public DaoBase<T, PK> addOrder(final int order, final String sort) {
        Criteria criteria = getCriteria();

        if (sort != null) {
            if (order == DESC) {
                criteria.addOrder(Order.desc(sort));
            } else {
                criteria.addOrder(Order.asc(sort));
            }
        }
        return this;
    }

    public DaoBase<T, PK> le(final String propertyName, final Object value) {
        Criteria criteria = getCriteria();
        if (value != null) {
            Criterion criterion = Restrictions.le(propertyName, value);
            criteria.add(criterion);
        }
        return this;
    }

    public DaoBase<T, PK> lt(final String propertyName, final Object value) {
        Criteria criteria = getCriteria();
        if (value != null) {
            Criterion criterion = Restrictions.lt(propertyName, value);
            criteria.add(criterion);
        }
        return this;
    }

    public DaoBase<T, PK> gt(final String propertyName, final Object value) {
        Criteria criteria = getCriteria();
        if (value != null) {
            Criterion criterion = Restrictions.gt(propertyName, value);
            criteria.add(criterion);
        }
        return this;
    }

    public DaoBase<T, PK> ge(final String propertyName, final Object value) {
        Criteria criteria = getCriteria();
        if (value != null) {
            Criterion criterion = Restrictions.ge(propertyName, value);
            criteria.add(criterion);
        }
        return this;
    }

    public DaoBase<T, PK> eq(final String propertyName, final Boolean value) {
        Criteria criteria = getCriteria();
        if (value != null) {
            Criterion criterion = Restrictions.eq(propertyName, value);
            criteria.add(criterion);
        }
        return this;
    }

    public DaoBase<T, PK> eq(final String propertyName, final AuditedObject entity) {
        Criteria criteria = getCriteria();
        if (entity != null) {
            Criterion criterion = Restrictions.eq(propertyName, entity);
            criteria.add(criterion);
        }
        return this;
    }

    public DaoBase<T, PK> eq(final String propertyName, final Enum<?> value) {
        Criteria criteria = getCriteria();
        if (value != null) {
            Criterion criterion = Restrictions.eq(propertyName, value);
            criteria.add(criterion);
        }
        return this;
    }

    public DaoBase<T, PK> eq(final String propertyName, final String value) {
        Criteria criteria = getCriteria();
        if (StringUtils.isNotEmpty(value)) {
            Criterion criterion = Restrictions.eq(propertyName, value);
            criteria.add(criterion);
        }
        return this;
    }

    public DaoBase<T, PK> eq(final String propertyName, final int value) {
        Criteria criteria = getCriteria();
        if (value > 0) {
            Criterion criterion = Restrictions.eq(propertyName, value);
            criteria.add(criterion);
        }
        return this;
    }

    public DaoBase<T, PK> eq(final String propertyName, final Integer value) {
        Criteria criteria = getCriteria();
        if (value != null) {
            Criterion criterion = Restrictions.eq(propertyName, value);
            criteria.add(criterion);
        }
        return this;
    }

    public DaoBase<T, PK> eq(final String propertyName, final Date value) {
        Criteria criteria = getCriteria();
        if (value != null) {
            Criterion criterion = Restrictions.eq(propertyName, value);
            criteria.add(criterion);
        }
        return this;
    }

    public DaoBase<T, PK> ne(final String propertyName, final Object value) {
        Criteria criteria = getCriteria();
        if (value != null) {
            Criterion criterion = Restrictions.ne(propertyName, value);
            criteria.add(criterion);
        }
        return this;
    }

    public DaoBase<T, PK> or(final Criterion lhs, final Criterion rhs) {
        Criteria criteria = getCriteria();
        Criterion criterion = Restrictions.or(lhs, rhs);
        criteria.add(criterion);
        return this;
    }

    public DaoBase<T, PK> in(final String propertyName, final Object[] values) {
        Criteria criteria = getCriteria();
        if (values != null) {
            Criterion criterion = Restrictions.in(propertyName, values);
            criteria.add(criterion);
        }
        return this;
    }

    public DaoBase<T, PK> like(final String propertyName, final String value) {
        Criteria criteria = getCriteria();
        if (StringUtils.isNotEmpty(value)) {
            Criterion criterion = Restrictions.like(propertyName, value, MatchMode.ANYWHERE);
            criteria.add(criterion);
        }
        return this;
    }

    public DaoBase<T, PK> like(final String propertyName, final Object value) {
        Criteria criteria = getCriteria();
        Criterion criterion = Restrictions.like(propertyName, value);
        criteria.add(criterion);
        return this;
    }

    public DaoBase<T, PK> in(final String propertyName, final String[] value) {
        Criteria criteria = getCriteria();
        if (value.length >= 1) {
            Criterion criterion = Restrictions.in(propertyName, value);
            criteria.add(criterion);
        }
        return this;
    }

    public DaoBase<T, PK> in(final String propertyName, final Collection values) {
        Criteria criteria = getCriteria();
        if (values != null && values.size() >= 1) {
            Criterion criterion = Restrictions.in(propertyName, values);
            criteria.add(criterion);
        }
        return this;
    }

    public DaoBase<T, PK> createAlias(final String associationPath, final String alias) {
        Criteria criteria = getCriteria();
        criteria.createAlias(associationPath, alias);
        return this;
    }

    public DaoBase<T, PK> addOrder(final Order order) {
        Criteria criteria = getCriteria();
        if (order != null) {
            criteria.addOrder(order);
        }
        return this;
    }

    // 2. criteriaThread.remove();
    public List<T> list() {
        Criteria criteria = getCriteria();
        criteriaThread.remove();

        @SuppressWarnings("unchecked")
        List<T> list = criteria.list();

        return list;
    }

    // 4. criteriaThread.remove();
    public T unique() {
        Criteria criteria = getCriteria();
        criteriaThread.remove();

        @SuppressWarnings("unchecked")
        T t = (T) criteria.uniqueResult();

        return t;
    }
}


另一个
public class SimpleHibernateDao<T, ID extends Serializable> {

    protected Logger logger = LoggerFactory.getLogger(getClass());

    protected SessionFactory sessionFactory;

    protected Class<T> entityClass;

    public SimpleHibernateDao() {
        this.entityClass = ReflectionUtils.getSuperClassGenricType(getClass());
    }//ReflectionUtils反射工具类

    public SimpleHibernateDao(final Class<T> entityClass) {
        this.entityClass = entityClass;
    }

    public SessionFactory getSessionFactory() {
        return sessionFactory;
    }

    @Autowired
    public void setSessionFactory(final SessionFactory sessionFactory) {
        this.sessionFactory = sessionFactory;
    }

    public Session getSession() {
        return sessionFactory.getCurrentSession();
    }

    public void save(final T entity) {
        logger.debug("saving entity: {}", entity);
        getSession().saveOrUpdate(entity);
    }

    public void delete(final T entity) {
        getSession().delete(entity);
        logger.debug("delete entity: {}", entity);
    }

    public void delete(final ID id) {
        delete(get(id));
        logger.debug("delete entity {},id is {}", entityClass.getSimpleName(), id);
    }

    @SuppressWarnings("unchecked")
    public T get(final ID id) {
        return (T) getSession().load(entityClass, id);
    }

    public List<T> get(final Collection<ID> ids) {
        return find(Restrictions.in(getIdName(), ids));
    }

    public List<T> getAll() {
        return find();
    }

    @SuppressWarnings("unchecked")
    public List<T> getAll(final String orderByProperty, final boolean isAsc) {
        Criteria c = createCriteria();
        if (isAsc) {
            c.addOrder(Order.asc(orderByProperty));
        } else {
            c.addOrder(Order.desc(orderByProperty));
        }
        return c.list();
    }

    public List<T> findBy(final String propertyName, final Object value) {
        Criterion criterion = Restrictions.eq(propertyName, value);
        return find(criterion);
    }

    @SuppressWarnings("unchecked")
    public T findUniqueBy(final String propertyName, final Object value) {
        Criterion criterion = Restrictions.eq(propertyName, value);
        return (T) createCriteria(criterion).uniqueResult();
    }

    @SuppressWarnings("unchecked")
    public <X> List<X> find(final String hql, final Object... values) {
        return createQuery(hql, values).list();
    }

    @SuppressWarnings("unchecked")
    public <X> List<X> find(final String hql, final Map<String, ?> values) {
        return createQuery(hql, values).list();
    }

    @SuppressWarnings("unchecked")
    public <X> X findUnique(final String hql, final Object... values) {
        return (X) createQuery(hql, values).uniqueResult();
    }

    @SuppressWarnings("unchecked")
    public <X> X findUnique(final String hql, final Map<String, ?> values) {
        return (X) createQuery(hql, values).uniqueResult();
    }

    public int batchExecute(final String hql, final Object... values) {
        return createQuery(hql, values).executeUpdate();
    }

    public int batchExecute(final String hql, final Map<String, ?> values) {
        return createQuery(hql, values).executeUpdate();
    }

    public Query createQuery(final String queryString, final Object... values) {
        Query query = getSession().createQuery(queryString);
        if (values != null) {
            for (int i = 0; i < values.length; i++) {
                query.setParameter(i, values[i]);
            }
        }
        return query;
    }

    public Query createQuery(final String queryString, final Map<String, ?> values) {
        Query query = getSession().createQuery(queryString);
        if (values != null) {
            query.setProperties(values);
        }
        return query;
    }

    @SuppressWarnings("unchecked")
    public List<T> find(final Criterion... criterions) {
        return createCriteria(criterions).list();
    }

    @SuppressWarnings("unchecked")
    public T findUnique(final Criterion... criterions) {
        return (T) createCriteria(criterions).uniqueResult();
    }

    public Criteria createCriteria(final Criterion... criterions) {
        Criteria criteria = getSession().createCriteria(entityClass);
        for (Criterion c : criterions) {
            criteria.add(c);
        }
        return criteria;
    }

    public void initProxyObject(final Object proxy) {
        Hibernate.initialize(proxy);
    }

    public void flush() {
        getSession().flush();
    }

    public Query distinct(final Query query) {
        query.setResultTransformer(CriteriaSpecification.DISTINCT_ROOT_ENTITY);
        return query;
    }

    public Criteria distinct(final Criteria criteria) {
        criteria.setResultTransformer(CriteriaSpecification.DISTINCT_ROOT_ENTITY);
        return criteria;
    }

    public String getIdName() {
        ClassMetadata meta = getSessionFactory().getClassMetadata(entityClass);
        return meta.getIdentifierPropertyName();
    }

    public boolean isPropertyUnique(final String propertyName, final Object newValue,
            final Object oldValue) {
        if (newValue == null || newValue.equals(oldValue)) {
            return true;
        }
        Object object = findUniqueBy(propertyName, newValue);
        return (object == null);
    }
}


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