org.jrdf.query.relation.operation
Interface DyadicJoin

All Superinterfaces:

Operation

All Known Subinterfaces:

AntiJoin, MinimumUnionLeftOuterJoin

All Known Implementing Classes:

AntiJoinImpl, DyadicJoinImpl, FullOuterJoinImpl, LeftOuterJoinImpl, MinimumUnionFullOuterJoinImpl, MinimumUnionLeftOuterJoinImpl, SemiJoinImpl

public interface DyadicJoin
extends Operation

Merely a marker interface - used to differentiate between two types of join. This is a join that combines only two relations.

Version:

$Revision: 436 $

Author:

Andrew Newman

Method Summary

Relation

join(Relation relation1, Relation relation2)

Method Detail

join

Relation join(Relation relation1,
              Relation relation2)