EDIT

/**

* Copyright (C) 2007 EDIT

* European Distributed Institute of Taxonomy 

* http://www.e-taxonomy.eu

* 

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.cdm.persistence.dao.hibernate.common;

import java.util.Collections;

import java.util.Comparator;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import org.hibernate.Criteria;

import org.hibernate.Session;

import org.hibernate.SessionFactory;

import org.springframework.beans.factory.annotation.Autowired;

import eu.etaxonomy.cdm.persistence.query.OrderHint;

public abstract class DaoBase {

	@Autowired

	private SessionFactory factory;

	public void setSessionFactory(SessionFactory sessionFactory) {

		this.factory = sessionFactory;

	}

	public SessionFactory getSessionFactory() {

		return factory;

	}

	protected Session getSession(){

		Session session = factory.getCurrentSession();

		return session;

	}

	public void flush(){

		getSession().flush();

	}

	private class OrderHintComparator implements Comparator<OrderHint> {

		public int compare(OrderHint o1, OrderHint o2) {

			return o1.getPropertyName().compareTo(o2.getPropertyName());

		}

	}

	protected void addOrder(Criteria criteria, List<OrderHint> orderHints) {

		if(orderHints != null){

			Collections.sort(orderHints, new OrderHintComparator());

			Map<String,Criteria> criteriaMap = new HashMap<String,Criteria>();

			for(OrderHint orderHint : orderHints){

				orderHint.add(criteria,criteriaMap);

			}

		}

	}

}