Exemplo n.º 1
0
 /**
  * 获取表的某一列
  *
  * @param dsId 数据源id
  * @param tableName 表名
  * @param columnName 列名
  * @return MdRdbColumn
  * @author Kevice
  * @time 2012-12-18 下午3:21:37
  */
 public static MdRdbColumn getColumn(String dsId, String tableName, String columnName) {
   if (StringTool.isBlank(tableName) || StringTool.isBlank(columnName)) {
     return null;
   }
   if (StringTool.isBlank(dsId)) {
     dsId = JoyProperties.DB_DATASOURCEID;
   }
   Map<String, MdRdbColumn> columns = getColumns(dsId, tableName);
   return columns.get(columnName);
 }
Exemplo n.º 2
0
 /**
  * 根据数据源ID、对象名从缓存中取得该对象的元数据信息
  *
  * @param dsId 数据源ID(为空取系统默认数据源id)
  * @param name 对象名(为空返回null)
  * @return MdDbTable
  * @author Kevice
  * @throws CacheException
  * @time 2012-12-14 下午4:54:03
  * @since 1.0.0
  */
 public static MdRdbTable getRelationalObject(String dsId, String name) {
   if (StringTool.isBlank(name)) {
     return null;
   }
   if (StringTool.isBlank(dsId)) {
     dsId = JoyProperties.DB_DATASOURCEID;
   }
   RdbConnection connection = new RdbConnection(dsId);
   try {
     return getRelationalObject(connection, name);
   } finally {
     JdbcTool.closeConnection(connection.getConnection());
   }
 }
Exemplo n.º 3
0
 /**
  * 获取主键
  *
  * @param dsId 数据源id
  * @param tableName 表名
  * @return 主键对象
  * @author Kevice
  * @time 2012-12-18 下午3:37:42
  * @since 1.0.0
  */
 public static MdRdbPrimaryKey getPrimaryKey(String dsId, String tableName) {
   if (StringTool.isBlank(tableName)) {
     return null;
   }
   if (StringTool.isBlank(dsId)) {
     dsId = JoyProperties.DB_DATASOURCEID;
   }
   RdbConnection connection = new RdbConnection(dsId);
   try {
     return getPrimaryKey(connection, tableName);
   } finally {
     JdbcTool.closeConnection(connection.getConnection());
   }
 }
Exemplo n.º 4
0
 /**
  * 根据数据源ID、对象类型,从缓存中取得对应表的元数据信息
  *
  * @param dsId 数据源ID(为空取系统默认数据源id)
  * @param objTypes 对象类型数组
  * @return Map<String, MdRdbTable>
  * @throws CacheException
  * @since 1.0.0
  * @author Kevice
  * @time 2012-12-14 下午5:26:01
  */
 public static Map<String, MdRdbTable> getRelationalObjects(
     String dsId, RdbObjectType... objTypes) {
   if (StringTool.isBlank(dsId)) {
     dsId = JoyProperties.DB_DATASOURCEID;
   }
   RdbConnection connection = new RdbConnection(dsId);
   try {
     return getRelationalObjects(connection, objTypes);
   } finally {
     JdbcTool.closeConnection(connection.getConnection());
   }
 }
Exemplo n.º 5
0
 /**
  * 返回指定数据源id的数据库元数据信息
  *
  * @param dsId 数据源id
  * @return 数据库元数据信息
  * @since 1.0.0
  * @author Kevice
  * @time 2013年11月16日 上午1:05:04
  */
 public static DbMetaData getDbMetaData(String dsId) {
   if (StringTool.isBlank(dsId)) {
     dsId = JoyProperties.DB_DATASOURCEID;
   }
   Connection conn = JdbcTool.getConnectionByDsId(dsId);
   DbMetaData dbMetaData = null;
   try {
     dbMetaData = getDbMetaData(conn);
   } finally {
     JdbcTool.closeConnection(conn);
   }
   return dbMetaData;
 }
Exemplo n.º 6
0
 private List<CodeRecord> searchCodes(String codeTableId, TSysCodeTable codeDic) {
   List<CodeRecord> codes = new ArrayList<CodeRecord>();
   Connection conn = null;
   TSysDataSrc dataSrc = codeDic.getDataSrc();
   String sqlPattern = "SELECT * FROM {0} WHERE {1} ORDER BY {2} ASC";
   String codeFieldName = codeDic.getCodeField();
   String parentCodeField = codeDic.getParentField();
   String orderByField =
       StringTool.isBlank(codeDic.getOrderField()) ? codeFieldName : codeDic.getOrderField();
   String codeCategory = null;
   String groupingCommentField = codeDic.getGroupingCommentField();
   String where = "1=1";
   String activeField = codeDic.getActiveField();
   if (StringTool.isNotBlank(activeField)) {
     where += " AND " + activeField + " = '1'";
   }
   String deletedField = codeDic.getDeletedField();
   if (StringTool.isNotBlank(deletedField)) {
     where += " AND " + deletedField + " = '0'";
   }
   if (codeDic.getId().equals(codeTableId) == false) {
     String groupingField = codeDic.getGroupingField();
     where += " AND " + groupingField + " = '" + codeTableId + "'";
   } else {
     codeCategory = codeDic.getTableComment();
   }
   String sql = MessageFormat.format(sqlPattern, codeDic.getTableName(), where, orderByField);
   PreparedStatement statement = null;
   try {
     conn = JdbcTool.getConnection(dataSrc);
     statement = conn.prepareStatement(sql);
     String transFieldName = getTransFieldName(codeDic, conn);
     ResultSet rs = statement.executeQuery();
     while (rs.next()) {
       String code = rs.getString(codeFieldName);
       String trans = rs.getString(transFieldName);
       String parentCode =
           StringTool.isBlank(parentCodeField) ? null : rs.getString(parentCodeField);
       if (codeCategory == null && StringTool.isNotBlank(groupingCommentField)) {
         codeCategory = rs.getString(groupingCommentField);
       }
       String order = rs.getString(orderByField);
       CodeRecord codeRecord = new CodeRecord(code, trans, parentCode, order, codeCategory);
       codes.add(codeRecord);
     }
     if (codes.isEmpty() == false || codeDic.getId().equals(codeTableId)) {
       logger.info("加载代码表#{0}数据共{1}条。", codeTableId, codes.size());
     }
   } catch (SQLException e) {
     logger.error(e, "代码表#{0}数据加载失败!", codeTableId);
   } finally {
     if (statement != null) {
       try {
         statement.close();
       } catch (SQLException ex) {
         logger.error(ex.getMessage(), ex);
       }
     }
     JdbcTool.closeConnection(conn);
   }
   return codes;
 }