org.kee.ssf.service.module.ModuleService.java Source code

Introduction

Here is the source code for org.kee.ssf.service.module.ModuleService.java

Source

/*******************************************************************************
 * Copyright (c) 2005, 2014 springside.github.io
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 *******************************************************************************/
package org.kee.ssf.service.module;

import org.kee.ssf.entity.Module;
import org.kee.ssf.repository.ModuleDao;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Sort;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Transactional;
import org.springside.modules.persistence.DynamicSpecifications;
import org.springside.modules.persistence.SearchFilter;

import java.util.List;
import java.util.Map;

// Spring Bean.
@Component
// public?.
@Transactional
public class ModuleService {

    private ModuleDao moduleDao;

    public Page<Module> getModule(Map<String, Object> searchParams, int pageNumber, int pageSize, String sortType) {
        PageRequest pageRequest = buildPageRequest(pageNumber, pageSize, sortType);
        Specification<Module> spec = buildSpecification(searchParams);

        return moduleDao.findAll(spec, pageRequest);
    }

    public List<Module> getAll() {
        return (List<Module>) moduleDao.findAll();
    }

    public Module save(Module module) {
        Module pModule = moduleDao.findOne(Long.valueOf(module.getPid()));
        module.setFullCode(pModule.getFullCode() + ":" + module.getCode());
        return moduleDao.save(module);
    }

    /**
     * .
     */
    private PageRequest buildPageRequest(int pageNumber, int pagzSize, String sortType) {
        Sort sort = null;
        if ("auto".equals(sortType)) {
            sort = new Sort(Sort.Direction.DESC, "id");
        } else if ("title".equals(sortType)) {
            sort = new Sort(Sort.Direction.ASC, "title");
        }

        return new PageRequest(pageNumber - 1, pagzSize, sort);
    }

    /**
     * ???.
     */
    private Specification<Module> buildSpecification(Map<String, Object> searchParams) {
        Map<String, SearchFilter> filters = SearchFilter.parse(searchParams);
        Specification<Module> spec = DynamicSpecifications.bySearchFilter(filters.values(), Module.class);
        return spec;
    }

    @Autowired
    public void setModuleDao(ModuleDao moduleDao) {
        this.moduleDao = moduleDao;
    }
}