ca.uqac.dim.turtledb

Class ReadyToProcessVisitor

java.lang.Object

ca.uqac.dim.turtledb.QueryVisitor

ca.uqac.dim.turtledb.EmptyQueryVisitor

ca.uqac.dim.turtledb.ReadyToProcessVisitor

public class ReadyToProcessVisitor
extends EmptyQueryVisitor

Visitor that checks if a query is ready to be processed. This is the case when all leaves of the query tree are instances of Table (and not VariableTable).

Author:

sylvain

Nested Class Summary

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

QueryVisitor.VisitorException

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	m_hasNonTableLeaf

Constructor Summary

Constructors

Constructor and Description
ReadyToProcessVisitor()

Method Summary

Modifier and Type	Method and Description
boolean	isReady() Determines if visited query is ready to be processed
void	visit(VariableTable t)

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

visit, visit, visit, visit, visit, visit, visit, visit

Methods inherited from class java.lang.Object

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

Field Detail

m_hasNonTableLeaf

protected boolean m_hasNonTableLeaf

Constructor Detail

ReadyToProcessVisitor

public ReadyToProcessVisitor()

Method Detail

isReady

public boolean isReady()

Determines if visited query is ready to be processed

Returns:

visit

public void visit(VariableTable t)

Overrides:

visit in class EmptyQueryVisitor