Package com.yahoo.document.select.rule

Class NegationNode

java.lang.Object

com.yahoo.document.select.rule.NegationNode

All Implemented Interfaces:

ExpressionNode

public class NegationNode
extends Object
implements ExpressionNode

Author:

Simon Thoresen Hult

Constructor Summary

Constructors

Constructor	Description
NegationNode(ExpressionNode node)

Method Summary

Modifier and Type	Method	Description
void	accept(Visitor visitor)	Perform visitation of this node.
Object	evaluate(Context context)	Evaluate the content of this node based on document object, and return that value.
BucketSet	getBucketSet(BucketIdFactory factory)	Returns the set of bucket ids covered by this node.
ExpressionNode	getNode()
NegationNode	setNode(ExpressionNode node)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

NegationNode

public NegationNode(ExpressionNode node)

Method Details

getNode

public ExpressionNode getNode()

setNode

public NegationNode setNode(ExpressionNode node)

getBucketSet

public BucketSet getBucketSet(BucketIdFactory factory)

Description copied from interface: ExpressionNode

Returns the set of bucket ids covered by this node.

Specified by:

getBucketSet in interface ExpressionNode

Parameters:

factory - the factory used by the current application

evaluate

public Object evaluate(Context context)

Description copied from interface: ExpressionNode

Evaluate the content of this node based on document object, and return that value.

Specified by:

evaluate in interface ExpressionNode

Parameters:

context - the document to evaluate over

Returns:

the value of this

accept

public void accept(Visitor visitor)

Description copied from interface: ExpressionNode

Perform visitation of this node.

Specified by:

accept in interface ExpressionNode

Parameters:

visitor - the visitor that wishes to visit the node

toString

public String toString()

Overrides:

toString in class Object