ca.uqac.dim.turtledb

Class Product

java.lang.Object

ca.uqac.dim.turtledb.Relation

ca.uqac.dim.turtledb.NAryRelation

ca.uqac.dim.turtledb.Product

public class Product
extends NAryRelation

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	Product.ProductCacheIterator
protected class	Product.ProductStreamIterator

Nested classes/interfaces inherited from class ca.uqac.dim.turtledb.NAryRelation

NAryRelation.NAryRelationCacheIterator, NAryRelation.NAryRelationStreamIterator

Field Summary

Fields inherited from class ca.uqac.dim.turtledb.NAryRelation

m_relations

Fields inherited from class ca.uqac.dim.turtledb.Relation

m_streamingMode

Constructor Summary

Constructors

Constructor and Description
Product()

Method Summary

Modifier and Type	Method and Description
void	accept(QueryVisitor v)
RelationIterator	cacheIterator() Returns an iterator over tuples of the relation
Schema	getSchema() Returns the relation's schema
RelationStreamIterator	streamIterator() Returns an iterator over tuples of the relation

Methods inherited from class ca.uqac.dim.turtledb.NAryRelation

acceptNAry, addOperand, getArity, tupleCount

Methods inherited from class ca.uqac.dim.turtledb.Relation

contains, getCardinality, getDegree, isFragment, isLeaf, iterator, setStreamingMode, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Product

public Product()

Method Detail

getSchema

public Schema getSchema()

Description copied from class: Relation

Returns the relation's schema

Overrides:

getSchema in class NAryRelation

Returns:

The schema

accept

public void accept(QueryVisitor v)
            throws QueryVisitor.VisitorException

Specified by:

accept in class Relation

Throws:

QueryVisitor.VisitorException

streamIterator

public RelationStreamIterator streamIterator()

Description copied from class: Relation

Returns an iterator over tuples of the relation

Specified by:

streamIterator in class Relation

Returns:

cacheIterator

public RelationIterator cacheIterator()

Description copied from class: Relation

Returns an iterator over tuples of the relation

Specified by:

cacheIterator in class Relation

Returns: