org.jrdf.query.relation.constants
Class NullaryTuple

java.lang.Object
  org.jrdf.query.relation.constants.NullaryTuple

All Implemented Interfaces:

Serializable, Tuple

public final class NullaryTuple
extends Object
implements Tuple, Serializable

A class which simply contains the True Node constant.

Version:

$Revision: 1822 $

Author:

Andrew Newman

See Also:

Serialized Form

Field Summary

static Tuple

NULLARY_TUPLE The node which represents the boolean logic value "NULLARY_TUPLE".

Method Summary

Set<AttributeValuePair>	getAttributeValues() Returns the set of tuples (attribute name/values).
SortedSet<AttributeValuePair>	getSortedAttributeValues()

Methods inherited from class java.lang.Object

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

Field Detail

NULLARY_TUPLE

public static final Tuple NULLARY_TUPLE

The node which represents the boolean logic value "NULLARY_TUPLE".

Method Detail

getAttributeValues

public Set<AttributeValuePair> getAttributeValues()

Description copied from interface: Tuple

Returns the set of tuples (attribute name/values).

Specified by:

getAttributeValues in interface Tuple

Returns:

the set of tuples (attribute/name values).

getSortedAttributeValues

public SortedSet<AttributeValuePair> getSortedAttributeValues()

Specified by:

getSortedAttributeValues in interface Tuple