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## com.novell.xml.xpath.functions
Class xpathNumber

    java.lang.Object
      com.novell.xml.xpath.Function
          com.novell.xml.xpath.functions.xpathNumber

    public class xpathNumber

extends Function

This class implements the XPath number(object?) built-in function

Constructor Summary
`xpathNumber()` Construct an object for the number() function

Method Summary
`ExpressionValue` | `invoke(Object[] args)` Perform number() function
`String` | `toString()` Return function name.

Methods inherited from class com.novell.xml.xpath.Function
`getInstance, getSignature, isConstant, registerForReset`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

### xpathNumber

    public xpathNumber()

  Construct an object for the number() function

Method Detail

### invoke

    public ExpressionValue invoke(Object[] args)
                           throws XPathEvaluationException

  Perform number() function

  Overrides:
    `invoke` in class `Function`
  Parameters:
    `args` - List of arguments. First first argument must be the context node. The second argument must be the expression context object The third argument may not exist, or it may be an expression value
  Returns:
    The number value of the argument - the current context node (if no third parm) or the converted expression value
  Throws:
    `XPathEvaluationException`

### toString

    public String toString()

  Return function name.

  Overrides:
    `toString` in class `Object`
  Returns:
    Function name.

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