1. /*
  2. * Copyright 1999-2004 The Apache Software Foundation.
  3. *
  4. * Licensed under the Apache License, Version 2.0 (the "License");
  5. * you may not use this file except in compliance with the License.
  6. * You may obtain a copy of the License at
  7. *
  8. * http://www.apache.org/licenses/LICENSE-2.0
  9. *
  10. * Unless required by applicable law or agreed to in writing, software
  11. * distributed under the License is distributed on an "AS IS" BASIS,
  12. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13. * See the License for the specific language governing permissions and
  14. * limitations under the License.
  15. */
  16. package org.apache.commons.pool;
  17. /**
  18. * A base implemenation of {@link PoolableObjectFactory <tt>PoolableObjectFactory</tt>}.
  19. * <p>
  20. * All operations defined here are essentially no-op's.
  21. *
  22. * @see PoolableObjectFactory
  23. * @see BaseKeyedPoolableObjectFactory
  24. *
  25. * @author Rodney Waldhoff
  26. * @version $Revision: 1.7 $ $Date: 2004/02/28 12:16:21 $
  27. */
  28. public abstract class BasePoolableObjectFactory implements PoolableObjectFactory {
  29. public abstract Object makeObject()
  30. throws Exception;
  31. /** No-op. */
  32. public void destroyObject(Object obj)
  33. throws Exception {
  34. }
  35. /**
  36. * This implementation always returns <tt>true</tt>.
  37. * @return <tt>true</tt>
  38. */
  39. public boolean validateObject(Object obj) {
  40. return true;
  41. }
  42. /** No-op. */
  43. public void activateObject(Object obj)
  44. throws Exception {
  45. }
  46. /** No-op. */
  47. public void passivateObject(Object obj)
  48. throws Exception {
  49. }
  50. }