com.yahoo.document.select.rule

Class NowNode

java.lang.Object

com.yahoo.document.select.rule.NowNode

All Implemented Interfaces:

ExpressionNode

public class NowNode
extends Object
implements ExpressionNode

Author:

Ulf Lilleengen

Constructor Summary

Constructors

Constructor and Description
NowNode()

Method Summary

Modifier and Type	Method and 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.
OrderingSpecification	getOrdering(int order) If this document selection implies a specific ordering (using the orderdoc scheme), return that specification.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

NowNode

public NowNode()

Method Detail

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.

toString

public String toString()

Overrides:

toString in class Object

getOrdering

public OrderingSpecification getOrdering(int order)

Description copied from interface: ExpressionNode

If this document selection implies a specific ordering (using the orderdoc scheme), return that specification.

Specified by:

getOrdering in interface ExpressionNode

Parameters:

order - The order in which we are looking to traverse the ordering (ASCENDING or DESCENDING)

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.