Package com.crawljax.stateabstractions.dom.apted.costmodel

Class StringUnitCostModel

java.lang.Object

com.crawljax.stateabstractions.dom.apted.costmodel.StringUnitCostModel

All Implemented Interfaces:

CostModel<StringNodeData>

public class StringUnitCostModel
extends Object
implements CostModel<StringNodeData>

This is a unit-nost model defined on string labels.

See Also:

CostModel, StringNodeData

Constructor Summary

Constructors

Constructor	Description
StringUnitCostModel()

Method Summary

Modifier and Type	Method	Description
float	del(AptedNode<StringNodeData> n)	Calculates the cost of deleting a node.
float	ins(AptedNode<StringNodeData> n)	Calculates the cost of inserting a node.
float	ren(AptedNode<StringNodeData> n1, AptedNode<StringNodeData> n2)	Calculates the cost of renaming the label of the source node to the label of the destination node.

Methods inherited from class java.lang.Object

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

Constructor Detail

StringUnitCostModel

public StringUnitCostModel()

Method Detail

del

public float del(AptedNode<StringNodeData> n)

Calculates the cost of deleting a node.

Specified by:

del in interface CostModel<StringNodeData>

Parameters:

n - a node considered to be deleted.

Returns:

1 - a fixed cost of deleting a node.

ins

public float ins(AptedNode<StringNodeData> n)

Calculates the cost of inserting a node.

Specified by:

ins in interface CostModel<StringNodeData>

Parameters:

n - a node considered to be inserted.

Returns:

1 - a fixed cost of inserting a node.

ren

public float ren(AptedNode<StringNodeData> n1,
                 AptedNode<StringNodeData> n2)

Calculates the cost of renaming the label of the source node to the label of the destination node.

Specified by:

ren in interface CostModel<StringNodeData>

Parameters:

n1 - a source node for rename.

n2 - a destination node for rename.

Returns:

1 if labels of renamed nodes are equal, and 0 otherwise.