Uses of Interface
org.jrdf.query.relation.Relation

Packages that use Relation

org.jrdf.query	Classes in this package allow queries to be executed against a JRDF graph.
org.jrdf.query.execute
org.jrdf.query.relation
org.jrdf.query.relation.constants
org.jrdf.query.relation.mem
org.jrdf.query.relation.operation
org.jrdf.query.relation.operation.mem.common
org.jrdf.query.relation.operation.mem.join
org.jrdf.query.relation.operation.mem.join.anti
org.jrdf.query.relation.operation.mem.join.natural
org.jrdf.query.relation.operation.mem.join.outer
org.jrdf.query.relation.operation.mem.join.semi
org.jrdf.query.relation.operation.mem.project
org.jrdf.query.relation.operation.mem.restrict
org.jrdf.query.relation.operation.mem.semidifference
org.jrdf.query.relation.operation.mem.union

Uses of Relation in org.jrdf.query

Constructors in org.jrdf.query with parameters of type Relation

AnswerImpl(LinkedHashSet<Attribute> heading, Relation results, long timeTaken, boolean hasProjected)

Uses of Relation in org.jrdf.query.execute

Methods in org.jrdf.query.execute that return Relation

Relation	QueryEngine.getResult()
Relation	NaiveQueryEngineImpl.getResult()

Methods in org.jrdf.query.execute with parameters of type Relation

void	QueryEngine.initialiseBaseRelation(Relation newRelation)
void	NaiveQueryEngineImpl.initialiseBaseRelation(Relation initialRelation)

Uses of Relation in org.jrdf.query.relation

Subinterfaces of Relation in org.jrdf.query.relation

interface

GraphRelation A marker interface that indicates that the relation is of three columns - subject, predicate and object.

Methods in org.jrdf.query.relation that return Relation

Relation	RelationFactory.getRelation(Set<Attribute> heading, Set<Tuple> tuples)
Relation	RelationFactory.getRelation(Set<Tuple> tuples)

Uses of Relation in org.jrdf.query.relation.constants

Classes in org.jrdf.query.relation.constants that implement Relation

class	RelationDEE Dee is a relation with one tuple and is the base relation for NULLARY_TUPLE.
class	RelationDUM Dum is a relation with no tuples and is the base relation for FALSE.

Fields in org.jrdf.query.relation.constants declared as Relation

static Relation	RelationDEE.RELATION_DEE The singleton version of RelationDEE.
static Relation	RelationDUM.RELATION_DUM The singleton version of RelationDUM.

Uses of Relation in org.jrdf.query.relation.mem

Classes in org.jrdf.query.relation.mem that implement Relation

class	GraphRelationImpl Implementation of relations containing 3 column heading (subject, predicate, object).
class	RelationImpl Implementation of relations containing a set of tuples and a set of attributes.

Methods in org.jrdf.query.relation.mem that return Relation

Relation	RelationFactoryImpl.getRelation(Set<Attribute> heading, Set<Tuple> tuples)
Relation	RelationFactoryImpl.getRelation(Set<Tuple> tuples)

Methods in org.jrdf.query.relation.mem with parameters of type Relation

int	RelationComparatorImpl.compare(Relation relation1, Relation relation2)
SortedSet<Attribute>	RelationHelperImpl.getHeadingUnions(Relation... relations)
SortedSet<Attribute>	RelationHelper.getHeadingUnions(Relation... relations)

Uses of Relation in org.jrdf.query.relation.operation

Methods in org.jrdf.query.relation.operation that return Relation

Relation	AntiJoin.antiJoin(Relation relation1, Relation relation2)
Relation	Project.exclude(Relation relation, Set<Attribute> attributes) The attributes to exclude in the project.
Relation	Project.include(Relation relation, Set<Attribute> attributes) The attributes to include in the projection.
Relation	DyadicJoin.join(Relation relation1, Relation relation2)
Relation	NadicJoin.join(Set<Relation> relation)
Relation	SemiDifference.minus(Relation relation1, Relation relation2)
Relation	Restrict.restrict(GraphRelation relation, List<AttributeValuePair> nameValues)
Relation	Restrict.restrict(Relation relation, List<AttributeValuePair> nameValues)
Relation	Union.union(Relation relation1, Relation relation2)

Methods in org.jrdf.query.relation.operation with parameters of type Relation

Relation	AntiJoin.antiJoin(Relation relation1, Relation relation2)
Relation	Project.exclude(Relation relation, Set<Attribute> attributes) The attributes to exclude in the project.
Relation	Project.include(Relation relation, Set<Attribute> attributes) The attributes to include in the projection.
Relation	DyadicJoin.join(Relation relation1, Relation relation2)
Relation	SemiDifference.minus(Relation relation1, Relation relation2)
Relation	Restrict.restrict(Relation relation, List<AttributeValuePair> nameValues)
Relation	Union.union(Relation relation1, Relation relation2)

Method parameters in org.jrdf.query.relation.operation with type arguments of type Relation

Relation

NadicJoin.join(Set<Relation> relation)

Uses of Relation in org.jrdf.query.relation.operation.mem.common

Methods in org.jrdf.query.relation.operation.mem.common that return Relation

Relation	RelationProcessorImpl.convertToConstants(Relation resultRelation)
Relation	RelationProcessor.convertToConstants(Relation resultRelation)
Relation	RelationProcessorImpl.processRelations(Set<Relation> relations, TupleEngine tupleEngine)
Relation	RelationProcessor.processRelations(Set<Relation> relations, TupleEngine tupleEngine)

Methods in org.jrdf.query.relation.operation.mem.common with parameters of type Relation

Relation	RelationProcessorImpl.convertToConstants(Relation resultRelation)
Relation	RelationProcessor.convertToConstants(Relation resultRelation)

Method parameters in org.jrdf.query.relation.operation.mem.common with type arguments of type Relation

Relation	RelationProcessorImpl.processRelations(Set<Relation> relations, TupleEngine tupleEngine)
Relation	RelationProcessor.processRelations(Set<Relation> relations, TupleEngine tupleEngine)

Uses of Relation in org.jrdf.query.relation.operation.mem.join

Methods in org.jrdf.query.relation.operation.mem.join that return Relation

Relation	DyadicJoinImpl.join(Relation relation1, Relation relation2)
Relation	NadicJoinImpl.join(Set<Relation> relations)

Methods in org.jrdf.query.relation.operation.mem.join with parameters of type Relation

SortedSet<Attribute>	TupleEngine.getHeading(Relation relation1, Relation relation2)
Relation	DyadicJoinImpl.join(Relation relation1, Relation relation2)

Method parameters in org.jrdf.query.relation.operation.mem.join with type arguments of type Relation

Relation

NadicJoinImpl.join(Set<Relation> relations)

Uses of Relation in org.jrdf.query.relation.operation.mem.join.anti

Methods in org.jrdf.query.relation.operation.mem.join.anti that return Relation

Relation

AntiJoinImpl.antiJoin(Relation relation1, Relation relation2)

Methods in org.jrdf.query.relation.operation.mem.join.anti with parameters of type Relation

Relation

AntiJoinImpl.antiJoin(Relation relation1, Relation relation2)

Uses of Relation in org.jrdf.query.relation.operation.mem.join.natural

Methods in org.jrdf.query.relation.operation.mem.join.natural with parameters of type Relation

SortedSet<Attribute>

NaturalJoinEngine.getHeading(Relation relation1, Relation relation2)

Uses of Relation in org.jrdf.query.relation.operation.mem.join.outer

Methods in org.jrdf.query.relation.operation.mem.join.outer that return Relation

Relation	LeftOuterJoinImpl.join(Relation relation1, Relation relation2)
Relation	FullOuterJoinImpl.join(Relation relation1, Relation relation2)

Methods in org.jrdf.query.relation.operation.mem.join.outer with parameters of type Relation

Relation	LeftOuterJoinImpl.join(Relation relation1, Relation relation2)
Relation	FullOuterJoinImpl.join(Relation relation1, Relation relation2)

Uses of Relation in org.jrdf.query.relation.operation.mem.join.semi

Methods in org.jrdf.query.relation.operation.mem.join.semi that return Relation

Relation

SemiJoinImpl.join(Relation relation1, Relation relation2)

Methods in org.jrdf.query.relation.operation.mem.join.semi with parameters of type Relation

SortedSet<Attribute>	SemiJoinEngine.getHeading(Relation relation1, Relation relation2)
Relation	SemiJoinImpl.join(Relation relation1, Relation relation2)

Uses of Relation in org.jrdf.query.relation.operation.mem.project

Methods in org.jrdf.query.relation.operation.mem.project that return Relation

Relation	ProjectImpl.exclude(Relation relation, Set<Attribute> attributes)
Relation	ProjectImpl.include(Relation relation, Set<Attribute> attributes)

Methods in org.jrdf.query.relation.operation.mem.project with parameters of type Relation

Relation	ProjectImpl.exclude(Relation relation, Set<Attribute> attributes)
Relation	ProjectImpl.include(Relation relation, Set<Attribute> attributes)

Uses of Relation in org.jrdf.query.relation.operation.mem.restrict

Methods in org.jrdf.query.relation.operation.mem.restrict that return Relation

Relation	RestrictImpl.restrict(GraphRelation relation, List<AttributeValuePair> nameValues)
Relation	RestrictImpl.restrict(Relation relation, List<AttributeValuePair> nameValues)

Methods in org.jrdf.query.relation.operation.mem.restrict with parameters of type Relation

Relation

RestrictImpl.restrict(Relation relation, List<AttributeValuePair> nameValues)

Uses of Relation in org.jrdf.query.relation.operation.mem.semidifference

Methods in org.jrdf.query.relation.operation.mem.semidifference that return Relation

Relation

SemiDifferenceImpl.minus(Relation relation1, Relation relation2)

Methods in org.jrdf.query.relation.operation.mem.semidifference with parameters of type Relation

Relation

SemiDifferenceImpl.minus(Relation relation1, Relation relation2)

Uses of Relation in org.jrdf.query.relation.operation.mem.union

Methods in org.jrdf.query.relation.operation.mem.union that return Relation

Relation	MinimumUnionLeftOuterJoinImpl.join(Relation relation1, Relation relation2)
Relation	MinimumUnionFullOuterJoinImpl.join(Relation relation1, Relation relation2)
Relation	OuterUnionImpl.union(Relation relation1, Relation relation2)
Relation	MinimumUnionImpl.union(Relation relation1, Relation relation2)

Methods in org.jrdf.query.relation.operation.mem.union that return types with arguments of type Relation

LinkedHashSet<Relation>	UnionSimplificationImpl.simplify(Relation relation1, Relation relation2)
LinkedHashSet<Relation>	UnionSimplification.simplify(Relation relation1, Relation relation2)

Methods in org.jrdf.query.relation.operation.mem.union with parameters of type Relation

SortedSet<Attribute>	SubsumptionEngine.getHeading(Relation relation1, Relation relation2)
SortedSet<Attribute>	OuterUnionEngine.getHeading(Relation relation1, Relation relation2)
Relation	MinimumUnionLeftOuterJoinImpl.join(Relation relation1, Relation relation2)
Relation	MinimumUnionFullOuterJoinImpl.join(Relation relation1, Relation relation2)
LinkedHashSet<Relation>	UnionSimplificationImpl.simplify(Relation relation1, Relation relation2)
LinkedHashSet<Relation>	UnionSimplification.simplify(Relation relation1, Relation relation2)
Relation	OuterUnionImpl.union(Relation relation1, Relation relation2)
Relation	MinimumUnionImpl.union(Relation relation1, Relation relation2)