EvaluationResult

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com.sun.xacml.cond
Class EvaluationResult

java.lang.Object
  com.sun.xacml.cond.EvaluationResult

public class EvaluationResult
extends java.lang.Object

This is used in cases where a normal result is some AttributeValue, but if an attribute couldn't be resolved (or some other problem occurred), then a Status object needs to be returned instead. This is used instead of throwing an exception for performance, but mainly because failure to resolve an attribute is not an error case for the code, merely for the evaluation, and represents normal operation. Separate exception types will be added later to represent errors in pdp operation.

Since:: 1.0

Field Summary

private static EvaluationResult falseBooleanResult
          Single instances of EvaluationResults with false and true BooleanAttributes in them.

private com.sun.xacml.ctx.Status status


private static EvaluationResult trueBooleanResult


private com.sun.xacml.attr.AttributeValue value


private boolean wasInd


Constructor Summary

EvaluationResult(com.sun.xacml.attr.AttributeValue value)
          Constructor that creates an EvaluationResult containing a single AttributeValue

EvaluationResult(com.sun.xacml.ctx.Status status)
          Constructor that creates an EvaluationResult of Indeterminate, including Status data.

Method Summary

com.sun.xacml.attr.AttributeValue getAttributeValue()
          Returns the attribute value, or null if there was an error

static EvaluationResult getFalseInstance()
          Returns an EvaluationResult that represents a false value.

static EvaluationResult getInstance(boolean value)
          Returns an EvaluationResult that represents the boolean value provided.

com.sun.xacml.ctx.Status getStatus()
          Returns the status if there was an error, or null it no error occurred

static EvaluationResult getTrueInstance()
          Returns an EvaluationResult that represents a true value.

boolean indeterminate()
          Returns true if the result was indeterminate

Methods inherited from class java.lang.Object

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

Field Detail

wasInd

private boolean wasInd

value

private com.sun.xacml.attr.AttributeValue value

status

private com.sun.xacml.ctx.Status status

falseBooleanResult

private static EvaluationResult falseBooleanResult

Single instances of EvaluationResults with false and true BooleanAttributes in them. This avoids the need to create new objects when performing boolean operations, which we do a lot of.

trueBooleanResult

private static EvaluationResult trueBooleanResult

Constructor Detail