/src/main/java/com/google/ie/business/dao/BaseDao.java

http://thoughtsite.googlecode.com/ · Java · 36 lines · 4 code · 5 blank · 27 comment · 0 complexity · f4e08bfb5a11c555e89a4a809a8e06a7 MD5 · raw file

  1. /* Copyright 2010 Google Inc.
  2. *
  3. * Licensed under the Apache License, Version 2.0 (the "License");
  4. * you may not use this file except in compliance with the License.
  5. * You may obtain a copy of the License at
  6. *
  7. * http://www.apache.org/licenses/LICENSE-2.0
  8. *
  9. * Unless required by applicable law or agreed to in writing, software
  10. * distributed under the License is distributed on an "AS IS" BASIS.
  11. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12. * See the License for the specific language governing permissions and
  13. * limitations under the License
  14. */
  15. package com.google.ie.business.dao;
  16. /**
  17. * A data access object specification base class for all data access objects
  18. * that use JDO to interact with the datastore.
  19. *
  20. * @author Charanjeet singh
  21. */
  22. public interface BaseDao {
  23. /**
  24. * Finds entity by primary key.
  25. *
  26. * @param clazz the class of the entity to be fetched
  27. * @param key the key of the entity
  28. *
  29. */
  30. <T> T findEntityByPrimaryKey(java.lang.Class<T> clazz, String key);
  31. }