Package org.ow2.authzforce.core.pdp.api.expression

Interface AttributeDesignatorExpression<AV extends AttributeValue>

Type Parameters:

AV - AttributeDesignator evaluation result value's primitive datatype

All Superinterfaces:

Expression<Bag<AV>>

All Known Implementing Classes:

GenericAttributeProviderBasedAttributeDesignatorExpression

public interface AttributeDesignatorExpression<AV extends AttributeValue>
extends Expression<Bag<AV>>

AttributeDesignator evaluator

Version:

$Id: $

Method Summary

Modifier and Type	Method	Description
AttributeFqn	getAttributeFQN()	Get Attribute Category/Issuer/Id
boolean	isNonEmptyBagRequired()	Indicates whether the attribute's presence is required, i.e.

Methods inherited from interface org.ow2.authzforce.core.pdp.api.expression.Expression

evaluate, getReturnType, getValue

Method Detail

getAttributeFQN

AttributeFqn getAttributeFQN()

Get Attribute Category/Issuer/Id

Returns:

attribute GUID (category, issuer, ID)

isNonEmptyBagRequired

boolean isNonEmptyBagRequired()

Indicates whether the attribute's presence is required, i.e. it must have at least one value in this context (non-empty bag). Equivalent of XACML MustBePresent flag.

Returns:

true iff the resulting bag must be non-empty, i.e. there must be at least one value for this attribute in the context