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: 3734 $

Author:

Keith Visco

Field Summary

Fields inherited from class PrimaryExpr

EXPR, FUNCTION_CALL, LITERAL, NUMBER, VARIABLE_REFERENCE

Fields inherited from interface XPathExpression

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

Constructor Summary

Constructors

Constructor	Description
FunctionCall()

Method Summary

Modifier and Type	Method	Description
abstract 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 PrimaryExpr

getExprType, getType

Methods inherited from class Object

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

Methods inherited from interface XPathExpression

evaluate, toString

Constructor Details

FunctionCall

public FunctionCall()

Method Details

getFunctionName

public abstract String getFunctionName()

Returns the name of the function

Returns:

the name of the function

getParameter

public abstract XPathExpression getParameter(int index)
                                      throws IndexOutOfBoundsException

Returns the XPathExpression at the specified position in this list.

Parameters:

index - the position of the Expr to return

Throws:

IndexOutOfBoundsException

getParameterCount

public abstract int getParameterCount()

Returns the number of expressions in the parameter list

Returns:

the number of expressions in the parameter list