workspace/.metadata/.plugins/org.eclipse.core.resources/.history/12/007d7e77666b001115b7b82f2f4ce01a

   1 package com.yuji.tdb.db;\r
   2 \r
   3 import java.util.List;\r
   4 \r
   5 import javax.jdo.PersistenceManager;\r
   6 \r
   7 public class TrainDao {\r
   8         private static TrainDao instance = null;\r
   9         private PersistenceManager pm = PMFactory.get().getPersistenceManager();\r
  10 \r
  11         public static TrainDao getInstance() {\r
  12                 if (instance == null) {\r
  13                         instance = new TrainDao();\r
  14                 }\r
  15                 return instance;\r
  16         }\r
  17 \r
  18         private TrainDao() {\r
  19 \r
  20         }\r
  21 \r
  22         public List<Train> search() {\r
  23                 String query = "SELECT FROM " + Train.class.getName();\r
  24                 List<Train> list = (List<Train>) pm.newQuery(query).execute();\r
  25                 pm.close();\r
  26                 return list;\r
  27         }\r
  28 \r
  29         public void put(String key, String value) {\r
  30                 KeyValue keyValue = new KeyValue(key, value);\r
  31                 pm.makePersistent(keyValue);\r
  32         }\r
  33 \r
  34         public void put(String key, int value) {\r
  35                 put(key, String.valueOf(value));\r
  36         }\r
  37 }\r