org.exolab.adaptx.xpath.expressions
Class FunctionCall

java.lang.Object
  |
  +--org.exolab.adaptx.xpath.expressions.PrimaryExpr
        |
        +--org.exolab.adaptx.xpath.expressions.FunctionCall

All Implemented Interfaces:

XPathExpression

Direct Known Subclasses:

FunctionCallImpl

public abstract class FunctionCall

extends PrimaryExpr

A abstract class representing an XPath function call

Version:

$Revision: 1.1 $

Author:

Keith Visco

Field Summary

Fields inherited from class org.exolab.adaptx.xpath.expressions.PrimaryExpr

EXPR, FUNCTION_CALL, LITERAL, NUMBER, VARIABLE_REFERENCE

Fields inherited from interface org.exolab.adaptx.xpath.XPathExpression

BOOLEAN, ERROR, FILTER_EXPR, LOCATION_PATH, NODE_TEST, PATH_EXPR, PRIMARY, STEP, STRING, UNION_EXPR

Constructor Summary

FunctionCall()

Method Summary

abstract java.lang.String	getFunctionName() Returns the name of the function
abstract XPathExpression	getParameter(int index) Returns the XPathExpression at the specified position in this list.
abstract int	getParameterCount() Returns the number of expressions in the parameter list

Methods inherited from class org.exolab.adaptx.xpath.expressions.PrimaryExpr

getExprType, getType

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.exolab.adaptx.xpath.XPathExpression

evaluate, toString

Constructor Detail

FunctionCall

public FunctionCall()

Method Detail

getFunctionName

public abstract java.lang.String getFunctionName()

Returns the name of the function

Returns:

the name of the function

getParameter

public abstract XPathExpression getParameter(int index)
                                      throws java.lang.IndexOutOfBoundsException

Returns the XPathExpression at the specified position in this list.

Parameters:

index - the position of the Expr to return

Throws:

java.lang.IndexOutOfBoundsException

getParameterCount

public abstract int getParameterCount()

Returns the number of expressions in the parameter list

Returns:

the number of expressions in the parameter list