LogicalFunction

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com.sun.xacml.cond
Class LogicalFunction

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

All Implemented Interfaces:: Function

public class LogicalFunction
extends FunctionBase

A class that implements the logical functions "or" and "and". These functions take any number of boolean arguments and evaluate them one at a time, starting with the first argument. As soon as the result of the function can be determined, evaluation stops and that result is returned. During this process, if any argument evaluates to indeterminate, an indeterminate result is returned.

Since:: 1.0

Field Summary

private static int ID_AND


private static int ID_OR


static java.lang.String NAME_AND
          Standard identifier for the and function.

static java.lang.String NAME_OR
          Standard identifier for the or function.

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

FUNCTION_NS

Constructor Summary

LogicalFunction(java.lang.String functionName)
          Creates a new LogicalFunction object.

Method Summary

EvaluationResult evaluate(java.util.List inputs, com.sun.xacml.EvaluationCtx context)
          Evaluate the function, using the specified parameters.

private static int getId(java.lang.String functionName)
          Private helper that looks up the private id based on the function name.

static java.util.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_OR

public static final java.lang.String NAME_OR

Standard identifier for the or function.

See Also:: Constant Field Values

NAME_AND

public static final java.lang.String NAME_AND

Standard identifier for the and function.

See Also:: Constant Field Values

ID_OR

private static final int ID_OR

See Also:: Constant Field Values

ID_AND

private static final int ID_AND

See Also:: Constant Field Values

Constructor Detail