vishnu.model.algebra
Class MixedJoin

java.lang.Object
  vishnu.model.algebra.AbstractBinaryRelation
      vishnu.model.algebra.MixedJoin

All Implemented Interfaces:

BinaryRelation, Join, Relation

public class MixedJoin
extends AbstractBinaryRelation
implements Join

Author:

Mariano Tepper

Nested Class Summary

Nested classes/interfaces inherited from interface vishnu.model.algebra.Relation

Relation.Context, Relation.ContextNotSelectedException

Field Summary

Fields inherited from class vishnu.model.algebra.AbstractBinaryRelation

r, s

Constructor Summary

MixedJoin(Relation r, Relation s, SQLConditionalExpression e)
Creates a new instance of join

Method Summary

SQLConditionalExpression	conditions()
boolean	equals(java.lang.Object o)
int	hashCode()
java.lang.String	toString()

Methods inherited from class vishnu.model.algebra.AbstractBinaryRelation

algorithm, algorithm, debugging, hasChanged, leftRelation, leftRelation, perform, rightRelation, rightRelation, setChanged, setContext, signature

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface vishnu.model.algebra.BinaryRelation

leftRelation, leftRelation, rightRelation, rightRelation

Methods inherited from interface vishnu.model.algebra.Relation

algorithm, algorithm, hasChanged, perform, setChanged, setContext, signature

Constructor Detail

MixedJoin

public MixedJoin(Relation r,
                 Relation s,
                 SQLConditionalExpression e)

Creates a new instance of join

Method Detail

toString

public java.lang.String toString()

Specified by:

toString in interface Join

Overrides:

toString in class java.lang.Object

conditions

public SQLConditionalExpression conditions()

Specified by:

conditions in interface Join

equals

public boolean equals(java.lang.Object o)

Specified by:

equals in interface Join

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Specified by:

hashCode in interface Join

Overrides:

hashCode in class java.lang.Object