XPathFunction
Stay organized with collections
Save and categorize content based on your preferences.
XPathFunction provides access to XPath functions.
Functions are identified by QName and arity in XPath.
Public Methods
public
abstract
Object
evaluate
(List args)
Evaluate the function with the specified arguments.
To the greatest extent possible, side-effects should be avoided in the
definition of extension functions. The implementation evaluating an
XPath expression is under no obligation to call extension functions in
any particular order or any particular number of times.
Parameters
| args |
The arguments, null is a valid value. |
Returns
- The result of evaluating the
XPath function as an Object.
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2024-07-10 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-07-10 UTC."],[[["`XPathFunction` provides access to XPath functions, which are identified by QName and arity."],["The primary method, `evaluate`, takes a list of arguments and returns the result of the function evaluation as an Object."],["Implementations of `evaluate` should avoid side-effects, as the order and frequency of calls are not guaranteed."],["If the provided arguments are incompatible with the function, an `XPathFunctionException` is thrown."]]],[]]
