net.christopherschultz.evaluator.function
Class VariablesFunction

java.lang.Object
  net.christopherschultz.evaluator.StandardFunction
      net.christopherschultz.evaluator.function.VariablesFunction

All Implemented Interfaces:

Function

public class VariablesFunction
extends StandardFunction

Returns a map of all named variables, including functions.

This method takes no arguments.

Version:

$Revision: 1.2 $ $Date: 2008-06-20 22:58:48 $

Author:

Chris Schultz

Constructor Summary

VariablesFunction()

Method Summary

Object

call(EvaluationContext ec, String functionName, Object[] arguments) Calls this function with standard argument evaluation semantics.

Methods inherited from class net.christopherschultz.evaluator.StandardFunction

call, getExpressionValue, getExpressionValueArray, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

VariablesFunction

public VariablesFunction()

Method Detail

call

public Object call(EvaluationContext ec,
                   String functionName,
                   Object[] arguments)
            throws EvaluationException

Description copied from class: StandardFunction

Calls this function with standard argument evaluation semantics.

Specified by:

call in class StandardFunction

Parameters:

ec - The EvaluationContext in which this function is being called.

functionName - The name of the function being invoked.

arguments - The argument values to pass to this function.

Returns:

The result of the function.

Throws:

EvaluationException - If there is an error during function execution.