Example #1
0
 public void setExpert(Object obj) throws Exception {
   if (obj == null) throw new NullPointerException("expert MUST NOT NULL!!");
   if (obj instanceof JdbcExpert) {
     this.expert = (JdbcExpert) obj;
   } else {
     String name = obj.toString();
     this.expert = Jdbcs.getExpert(name, "");
     if (this.expert == null) {
       if (name.contains(".")) {
         this.expert = (JdbcExpert) Lang.loadClass(name).newInstance();
       } else {
         throw new DaoException("not such expert=" + obj);
       }
     }
   }
   DataSource ds = this.dataSource;
   // 如果数据源比expert先设置,那么需要重新设置一次
   if (ds != null) {
     this.dataSource = null;
     setDataSource(ds);
   }
 }
Example #2
0
  /** 根据Pojo生成数据字典,zdoc格式 */
  public static StringBuilder dataDict(DataSource ds, String... packages) {
    StringBuilder sb = new StringBuilder();
    List<Class<?>> ks = new ArrayList<Class<?>>();
    for (String packageName : packages) {
      ks.addAll(Scans.me().scanPackage(packageName));
    }
    Iterator<Class<?>> it = ks.iterator();
    while (it.hasNext()) {
      Class<?> klass = it.next();
      if (klass.getAnnotation(Table.class) == null) it.remove();
    }
    // log.infof("Found %d table class", ks.size());

    JdbcExpert exp = Jdbcs.getExpert(ds);
    NutDao dao = new NutDao(ds);

    Method evalFieldType;
    try {
      evalFieldType = exp.getClass().getDeclaredMethod("evalFieldType", MappingField.class);
    } catch (Throwable e) {
      throw Lang.wrapThrow(e);
    }
    evalFieldType.setAccessible(true);
    Entity<?> entity = null;
    String line = "-------------------------------------------------------------------\n";
    sb.append("#title:数据字典\n");
    sb.append("#author:wendal\n");
    sb.append("#index:0,1\n").append(line);
    for (Class<?> klass : ks) {
      sb.append(line);
      entity = dao.getEntity(klass);
      sb.append("表名 ").append(entity.getTableName()).append("\n\n");
      if (!Strings.isBlank(entity.getTableComment()))
        sb.append("表注释: ").append(entity.getTableComment());
      sb.append("\t").append("Java类名 ").append(klass.getName()).append("\n\n");
      sb.append("\t||序号||列名||数据类型||主键||非空||默认值||java属性名||java类型||注释||\n");
      int index = 1;
      for (MappingField field : entity.getMappingFields()) {
        String dataType;
        try {
          dataType = (String) evalFieldType.invoke(exp, field);
        } catch (Throwable e) {
          throw Lang.wrapThrow(e); // 不可能发生的
        }
        sb.append("\t||")
            .append(index++)
            .append("||")
            .append(field.getColumnName())
            .append("||")
            .append(dataType)
            .append("||")
            .append(field.isPk())
            .append("||")
            .append(field.isNotNull())
            .append("||")
            .append(field.getDefaultValue(null) == null ? " " : field.getDefaultValue(null))
            .append("||")
            .append(field.getName())
            .append("||")
            .append(field.getTypeClass().getName())
            .append("||")
            .append(field.getColumnComment() == null ? " " : field.getColumnComment())
            .append("||\n");
      }
    }
    return sb;
  }