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org.objectweb.medor.query.lib

Class Cartesian

Implemented Interfaces:
Cloneable, Cloneable, FilteredQueryTree, QueryNode, QueryTree, TupleStructure
public class Cartesian
extends BasicQueryNode

Author:
Sebastien Chassande-Barrioz

Field Summary

Fields inherited from class org.objectweb.medor.query.lib.BasicQueryNode

children, filter, indexes, inner, tupleLoader

Fields inherited from class org.objectweb.medor.query.lib.BasicQueryTree

distinct, indexes, name, orderfields

Fields inherited from class org.objectweb.medor.lib.BasicTupleStructure

fields, logger, name2field

Constructor Summary

Cartesian()
Cartesian(QueryTree leftQT, QueryTree rightQT, String name)

Method Summary

short
getType()
It retrieves the operation type of the current QueryNode.
void
setQueryFilter(Expression f)
The setQueryFilter method will be overwritten for implementations which do not support the operation.

Methods inherited from class org.objectweb.medor.query.lib.BasicQueryNode

addCalculatedField, addChild, addField, addPropagatedField, clone, getChildren, getFieldName, getQueryFilter, getTupleLoader, getType, isOuter, removeField, replace, setOuter, setQueryFilter, setTupleLoader, updateCalculatedField, updateChildren, updatePropagatedField

Methods inherited from class org.objectweb.medor.query.lib.BasicQueryTree

clone, getDistinct, getName, getOrderBy, getTupleStructure, setDistinct, setOrderBy

Methods inherited from class org.objectweb.medor.lib.BasicTupleStructure

clone, contains, contains, getField, getField, getFieldRank, getFields, getSize

Constructor Details

Cartesian

public Cartesian()

Cartesian

public Cartesian(QueryTree leftQT,
                 QueryTree rightQT,
                 String name)

Parameters:
leftQT - is the left QueryTree child used in the cartesian product.
rightQT - is the rigth QueryTree child used in the cartesian product.

Method Details

getType

public short getType()
It retrieves the operation type of the current QueryNode.
Specified by:
getType in interface QueryNode
Overrides:
getType in interface BasicQueryNode

setQueryFilter

public void setQueryFilter(Expression f)
The setQueryFilter method will be overwritten for implementations which do not support the operation.
Specified by:
setQueryFilter in interface FilteredQueryTree
Overrides:
setQueryFilter in interface BasicQueryNode

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