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

Class PerEditOperationStringNodeDataCostModel

java.lang.Object

com.crawljax.stateabstractions.dom.apted.costmodel.PerEditOperationStringNodeDataCostModel

All Implemented Interfaces:

CostModel<StringNodeData>

public class PerEditOperationStringNodeDataCostModel
extends Object
implements CostModel<StringNodeData>

This is a cost model defined on StringNodeData with a fixed cost per edit operation.

Field Summary

Fields

Modifier and Type	Field	Description
private float	delCost	Stores the cost of deleting a node.
private float	insCost	Stores the cost of inserting a node.
private float	renCost	Stores the cost of mapping two nodes (renaming their labels).

Constructor Summary

Constructors

Constructor	Description
PerEditOperationStringNodeDataCostModel(float delCost, float insCost, float renCost)	Initialises the cost model with the passed edit operation costs.

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 string labels of two nodes.

Methods inherited from class java.lang.Object

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

Field Detail

delCost

private final float delCost

Stores the cost of deleting a node.

insCost

private final float insCost

Stores the cost of inserting a node.

renCost

private final float renCost

Stores the cost of mapping two nodes (renaming their labels).

Constructor Detail

PerEditOperationStringNodeDataCostModel

public PerEditOperationStringNodeDataCostModel(float delCost,
                                               float insCost,
                                               float renCost)

Initialises the cost model with the passed edit operation costs.

Parameters:

delCost - deletion cost.

insCost - insertion cost.

renCost - rename cost.

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 - the node considered to be deleted.

Returns:

the cost of deleting node n.

ins

public float ins(AptedNode<StringNodeData> n)

Calculates the cost of inserting a node.

Specified by:

ins in interface CostModel<StringNodeData>

Parameters:

n - the node considered to be inserted.

Returns:

the cost of inserting node n.

ren

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

Calculates the cost of renaming the string labels of two nodes.

Specified by:

ren in interface CostModel<StringNodeData>

Parameters:

n1 - the source node of rename.

n2 - the destination node of rename.

Returns:

the cost of renaming node n1 to n2.