Package com.icl.saxon

Class KeyManager

java.lang.Object
com.icl.saxon.KeyManager

public class KeyManager extends Object
KeyManager manages the set of key definitions in a stylesheet, and the indexes associated with these key definitions
Author:
Michael H. Kay
  • Constructor Details

    • KeyManager

      public KeyManager()
      create a KeyManager and initialise variables
  • Method Details

    • setKeyDefinition

      public void setKeyDefinition(KeyDefinition keydef)
      Register a key definition. Note that multiple key definitions with the same name are allowed
      Parameters:
      keyDefinition - The details of the key's definition
    • getKeyDefinitions

      public Vector getKeyDefinitions(int fingerprint)
      Get all the key definitions that match a particular fingerprint
      Parameters:
      fingerprint - The fingerprint of the name of the required key
      Returns:
      The key definition of the named key if there is one, or null otherwise.
    • selectByKey

      public NodeEnumeration selectByKey(int fingerprint, DocumentInfo doc, String value, Controller controller) throws XPathException
      Get the nodes with a given key value
      Parameters:
      fingerprint - The fingerprint of the name of the required key
      doc - The source document in question
      value - The required key value
      controller - The controller, needed only the first time when the key is being built
      Returns:
      an enumeration of nodes, always in document order
      Throws:
      XPathException