org.jrdf.query.relation.operation.mem.union
Class OuterUnionEngine

java.lang.Object
  org.jrdf.query.relation.operation.mem.union.OuterUnionEngine

All Implemented Interfaces:

TupleEngine

public class OuterUnionEngine
extends Object
implements TupleEngine

Constructor Summary

OuterUnionEngine(TupleFactory tupleFactory, RelationHelper relationHelper)

Method Summary

SortedSet<Attribute>	getHeading(Relation relation1, Relation relation2)
void	process(SortedSet<Attribute> headings, SortedSet<AttributeValuePair> avps1, SortedSet<AttributeValuePair> avps2, SortedSet<Tuple> result)

Methods inherited from class java.lang.Object

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

Constructor Detail

OuterUnionEngine

public OuterUnionEngine(TupleFactory tupleFactory,
                        RelationHelper relationHelper)

Method Detail

getHeading

public SortedSet<Attribute> getHeading(Relation relation1,
                                       Relation relation2)

Specified by:

getHeading in interface TupleEngine

process

public void process(SortedSet<Attribute> headings,
                    SortedSet<AttributeValuePair> avps1,
                    SortedSet<AttributeValuePair> avps2,
                    SortedSet<Tuple> result)

Specified by:

process in interface TupleEngine