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.jxpath;
  17. /**
  18. * A delegate of JXPathContext that implements the XPath <code>"key()"</code>
  19. * function.
  20. *
  21. * @author Dmitri Plotnikov
  22. * @version $Revision: 1.5 $ $Date: 2004/02/29 14:17:42 $
  23. */
  24. public interface KeyManager {
  25. /**
  26. * Finds a node by a key value.
  27. */
  28. Pointer getPointerByKey(
  29. JXPathContext context,
  30. String keyName,
  31. String keyValue);
  32. }