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package com.quhaodian.user.data.service.impl;

import com.quhaodian.data.core.Finder;
import com.quhaodian.data.core.Updater;
import com.quhaodian.data.page.Filter;
import com.quhaodian.data.page.Order;
import com.quhaodian.data.page.Page;
import com.quhaodian.data.page.Pageable;
import com.quhaodian.data.utils.FilterUtils;
import com.quhaodian.user.data.dao.MenuDao;
import com.quhaodian.user.data.entity.Menu;
import com.quhaodian.user.data.service.MenuService;
import java.util.LinkedList;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;


/**
 * Created by imake on 2017年07月21日14:37:30.
 */
@Service
@Transactional
public class MenuServiceImpl implements MenuService {

  private MenuDao dao;


  @Override
  public List findChildMenu(Integer id) {
    Finder finder = Finder.create("from Menu t where t.parent.id=" + id);
    finder.append(" and t.catalog =0 ");
    finder.append(" order by t.sortNum asc");
    finder.setCacheable(true);
    List ms = dao.find(finder);
    return ms;
  }

  @Override
  public List findChild(Integer id) {
    Finder finder = Finder.create("from Menu t where t.parent.id=" + id);
    finder.append(" order by t.sortNum asc");
    finder.setCacheable(true);
    List ms = dao.find(finder);
    return ms;
  }


  @Override
  public List childs(Integer id) {
    List ms = null;
    Menu menu = dao.findById(id);
    if (menu != null) {
      Finder finder = Finder.create("from Menu t where t.lft >=:lft and t.rgt<=:rgt ");
      finder.append(" order by t.lft asc");
      finder.setParam("lft", menu.getLft());
      finder.setParam("rgt", menu.getRgt());
      finder.setCacheable(false);
      ms = dao.find(finder);
    }

    return ms;
  }

  @Override
  @Transactional(readOnly = true)
  public Menu findById(Integer id) {
    return dao.findById(id);
  }

  @Override
  public List findByTops(Integer pid) {
    LinkedList result = new LinkedList();
    Menu catalog = dao.findById(pid);
    if (catalog != null) {
      while (catalog != null && catalog.getParent() != null) {
        result.addFirst(catalog);
        catalog = dao.findById(catalog.getParentId());
      }
      result.addFirst(catalog);
    }
    return result;
  }

  @Override
  @Transactional
  public Menu save(Menu bean) {
    dao.save(bean);
    return bean;
  }

  @Override
  @Transactional
  public Menu update(Menu bean) {
    Updater updater = new Updater(bean);
    return dao.updateByUpdater(updater);
  }

  @Override
  @Transactional
  public Menu deleteById(Integer id) {
    Menu bean = dao.findById(id);
    dao.deleteById(id);
    return bean;
  }

  @Override
  @Transactional
  public Menu[] deleteByIds(Integer[] ids) {
    Menu[] beans = new Menu[ids.length];
    for (int i = 0, len = ids.length; i < len; i++) {
      beans[i] = deleteById(ids[i]);
    }
    return beans;
  }


  @Autowired
  public void setDao(MenuDao dao) {
    this.dao = dao;
  }

  @Override
  public Page page(Pageable pageable) {
    return dao.page(pageable);
  }


  @Override
  public Page page(Pageable pageable, Object search) {
    List filters = FilterUtils.getFilters(search);
    if (filters != null) {
      pageable.getFilters().addAll(filters);
    }
    return dao.page(pageable);
  }

  @Override
  public List list(int first, Integer size, List filters, List orders) {
    return dao.list(first, size, filters, orders);
  }

}




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