hbase 判斷列族是否存在

public static boolean isExistColumnFamily(String tableName,String cf) throws IOException {  2         if(isExistTable(tableName)) {  3             Table table = conn.getTable(TableName.valueOf(tableName));  4             TableDescriptor tableDescriptor = table.getDescriptor();  5             ColumnFamilyDescriptor descriptor = tableDescriptor.getColumnFamily(Bytes.toBytes(cf));  6             return descriptor==null?false:true;  7         }else {  8             return false;  9  } 10  } 11 

    public static boolean isExistTable(String tableName) throws IOException { 14         return admin.tableExists(TableName.valueOf(tableName)); 15     }