com.sun.xacml.cond
Class NotFunction

java.lang.Object
  com.sun.xacml.cond.FunctionBase
      com.sun.xacml.cond.NotFunction

All Implemented Interfaces:

Function

public class NotFunction

extends FunctionBase

A class that implements the not function. This function takes one boolean argument and returns the logical negation of that value. If the argument evaluates to indeterminate, an indeterminate result is returned.

Since:

1.0

Field Summary

static String

NAME_NOT Standard identifier for the not function.

Fields inherited from class com.sun.xacml.cond.FunctionBase

FUNCTION_NS

Constructor Summary

NotFunction(String functionName)
Creates a new NotFunction object.

Method Summary

EvaluationResult	evaluate(List inputs, EvaluationCtx context) Evaluate the function, using the specified parameters.
static Set	getSupportedIdentifiers() Returns a Set containing all the function identifiers supported by this class.

Methods inherited from class com.sun.xacml.cond.FunctionBase

checkInputs, checkInputsNoBag, evalArgs, getFunctionId, getFunctionName, getIdentifier, getReturnType, getReturnTypeAsString, makeProcessingError, returnsBag

Methods inherited from class java.lang.Object

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

Field Detail

NAME_NOT

public static final String NAME_NOT

Standard identifier for the not function.

See Also:

Constant Field Values

Constructor Detail

NotFunction

public NotFunction(String functionName)

Creates a new NotFunction object.

Parameters:

functionName - the standard XACML name of the function to be handled by this object, including the full namespace

Throws:

IllegalArgumentException - if the function is unknown

Method Detail

getSupportedIdentifiers

public static Set getSupportedIdentifiers()

Returns a Set containing all the function identifiers supported by this class.

Returns:

a Set of Strings

evaluate

public EvaluationResult evaluate(List inputs,
                                 EvaluationCtx context)

Evaluate the function, using the specified parameters.

Parameters:

inputs - a List of Evaluatable objects representing the arguments passed to the function

context - an EvaluationCtx so that the Evaluatable objects can be evaluated

Returns:

an EvaluationResult representing the function's result