Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.arg.arsoft.siantluis.repository.imp; import com.arg.arsoft.siantluis.Configs; import com.arg.arsoft.siantluis.domains.product.Product; import com.arg.arsoft.siantluis.domains.product.ProductActive; import com.arg.arsoft.siantluis.domains.product.ProductQuery; import com.arg.arsoft.siantluis.repository.IProductRepository; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import org.hibernate.Criteria; import org.hibernate.FetchMode; import org.hibernate.SessionFactory; import org.hibernate.criterion.Projections; import org.hibernate.criterion.Restrictions; import org.hibernate.sql.JoinType; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Repository; /** * * @author anawatj */ @Repository(value = "productRepository") public class ProductRepository implements IProductRepository { @Autowired private SessionFactory factory; @Override public List<Product> findAll() { throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates. } @Override public Product findByKey(Integer key) { Criteria criteria = factory.getCurrentSession().createCriteria(Product.class); criteria.add(Restrictions.eq("id", key)); criteria.setFetchMode("supplier", FetchMode.JOIN); List<Product> result = criteria.setResultTransformer(Criteria.ROOT_ENTITY).list(); if (result != null && result.size() > 0) { return result.get(0); } else { return null; } } @Override public Product save(Product entity) { Product data = findByKey(entity.getId()); Product result = (Product) factory.getCurrentSession().merge(entity); return result; } @Override public void remove(Integer key) { Product data = (Product) factory.getCurrentSession().get(Product.class, key); factory.getCurrentSession().delete(data); } @Override public Map findByQuery(ProductQuery query) { int pageSize = Configs.PAGE_SIZE; Criteria criteria = factory.getCurrentSession().createCriteria(Product.class); if (query.getCode() != null && !query.getCode().equals("")) { if (query.getCode().contains("*") || query.getCode().contains("?")) { criteria.add(org.hibernate.criterion.Restrictions.like("code", query.getCode().replace("*", "%").replace("?", "_"))); } else { criteria.add(org.hibernate.criterion.Restrictions.eq("code", query.getCode())); } } if (query.getName() != null && !query.getName().equals("")) { if (query.getName().contains("*") || query.getName().contains("?")) { criteria.add(org.hibernate.criterion.Restrictions.like("name", query.getName().replace("*", "%").replace("?", "_"))); } else { criteria.add(org.hibernate.criterion.Restrictions.eq("name", query.getName())); } } if (query.getSupplier() != null && !query.getSupplier().equals("")) { criteria.createAlias("supplier", "s", JoinType.LEFT_OUTER_JOIN); criteria.add(org.hibernate.criterion.Restrictions.eq("s.code", query.getSupplier())); } if (query.getActive() != null && !query.getActive().equals("")) { ProductActive active = ProductActive.valueOf(query.getActive()); criteria.add(org.hibernate.criterion.Restrictions.eq("active", active)); } long totalRecord = (long) criteria.setProjection(Projections.count(Projections.id().toString())) .uniqueResult(); int start = ((query.getPage() - 1) * pageSize); criteria.setProjection(null); criteria.setFetchMode("supplier", FetchMode.EAGER); List<Product> result = criteria.setFirstResult(start).setMaxResults(pageSize) .setResultTransformer(Criteria.ROOT_ENTITY).list(); long totalPage = totalRecord / pageSize; if ((totalRecord % pageSize) > 0) { totalPage++; } List<Integer> pages = new ArrayList<Integer>(); for (int index = 1; index <= totalPage; index++) { pages.add(index); } Map data = new HashMap(); data.put("list", result); data.put("totalPage", totalPage); data.put("totalRecord", totalRecord); data.put("pages", pages); return data; } }