Package com.yahoo.document.select.rule

Class ArithmeticNode

java.lang.Object

com.yahoo.document.select.rule.ArithmeticNode

All Implemented Interfaces:

ExpressionNode

public class ArithmeticNode
extends java.lang.Object
implements ExpressionNode

Author:

Simon Thoresen Hult

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ArithmeticNode.NodeItem

Field Summary

Fields

Modifier and Type	Field	Description
static int	ADD
static int	DIV
static int	MOD
static int	MUL
static int	NOP
static int	SUB

Constructor Summary

Constructors

Constructor	Description
ArithmeticNode()

Method Summary

Modifier and Type	Method	Description
void	accept(Visitor visitor)	Perform visitation of this node.
ArithmeticNode	add(java.lang.String operator, ExpressionNode node)
java.lang.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.
java.util.List<ArithmeticNode.NodeItem>	getItems()
java.lang.String	operatorToString(int operator)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

NOP

public static final int NOP

See Also:

Constant Field Values

ADD

public static final int ADD

See Also:

Constant Field Values

SUB

public static final int SUB

See Also:

Constant Field Values

MOD

public static final int MOD

See Also:

Constant Field Values

DIV

public static final int DIV

See Also:

Constant Field Values

MUL

public static final int MUL

See Also:

Constant Field Values

Constructor Detail

ArithmeticNode

public ArithmeticNode()

Method Detail

add

public ArithmeticNode add(java.lang.String operator,
                          ExpressionNode node)

getItems

public java.util.List<ArithmeticNode.NodeItem> getItems()

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 java.lang.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 java.lang.String toString()

Overrides:

toString in class java.lang.Object

operatorToString

public java.lang.String operatorToString(int operator)

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.