org.axiondb.engine.visitors

Class FlattenWhereNodeVisitor

java.lang.Object

org.axiondb.engine.visitors.FlattenWhereNodeVisitor

All Implemented Interfaces:

SelectableVisitor

public class FlattenWhereNodeVisitor
extends java.lang.Object
implements SelectableVisitor

Decomposes a WhereNodetree into a LinkedHashSetof WhereNodes that were originally ANDed together in the source tree.

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.Set	_nodes

Constructor Summary

Constructors

Constructor and Description
FlattenWhereNodeVisitor()

Method Summary

Modifier and Type	Method and Description
java.util.Set	getNodes(Selectable node)
void	visit(Selectable sel)

Methods inherited from class java.lang.Object

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

Field Detail

_nodes

protected java.util.Set _nodes

Constructor Detail

FlattenWhereNodeVisitor

public FlattenWhereNodeVisitor()

Method Detail

getNodes

public java.util.Set getNodes(Selectable node)

visit

public void visit(Selectable sel)

Specified by:

visit in interface SelectableVisitor