y.layout.router.polyline
Class Path

java.lang.Object
  y.layout.router.polyline.Path

public class Path
extends java.lang.Object

A Path represents the result of a path search as a list of consecutive CellEntrances. A path starts with a CellEntrance for a PartitionCell of the source node and ends with one for a PartitionCell of the target node.

See Also:

PathSearch, PathSearchResult

Constructor Summary

Path(java.util.List entrances, double cost)
Creates a new instance of Path for the given edge, cell entrances and cost.

Method Summary

double	getCost() Returns the overall cost of this path.
CellEntrance	getEntrance(int position) Returns the CellEntrance at the given position of this path.
int	length() Returns the number of CellEntrance objects in this path.
int	positionOf(CellEntrance entrance) Returns the position of the first occurrence of the given CellEntrance in this path, or -1 if this path does not contain this CellEntrance.
void	setEntrance(int position, CellEntrance entrance) Replaces the CellEntrance at the given position of this path with the given CellEntrance.

Methods inherited from class java.lang.Object

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

Constructor Detail

Path

public Path(java.util.List entrances,
            double cost)

Creates a new instance of Path for the given edge, cell entrances and cost.

Parameters:

entrances - the list of CellEntrance objects describing the edge path from source node to target node

cost - the overall cost of this path

Method Detail

getCost

public double getCost()

Returns the overall cost of this path.

Returns:

the overall cost of this path

getEntrance

public CellEntrance getEntrance(int position)

Returns the CellEntrance at the given position of this path.

Parameters:

position - the position of the CellEntrance to return

Returns:

the CellEntrance at the given position of this path

See Also:

setEntrance(int, CellEntrance)

setEntrance

public void setEntrance(int position,
                        CellEntrance entrance)

Replaces the CellEntrance at the given position of this path with the given CellEntrance.

Parameters:

position - the position of the CellEntrance to replace

entrance - the CellEntrance to be stored at the given position

See Also:

getEntrance(int)

positionOf

public int positionOf(CellEntrance entrance)

Returns the position of the first occurrence of the given CellEntrance in this path, or -1 if this path does not contain this CellEntrance.

Parameters:

entrance - the CellEntrance for which the position is retrieved

Returns:

the position of the first occurrence of the given CellEntrance in this path, or -1 if this path does not contain this CellEntrance

length

public int length()

Returns the number of CellEntrance objects in this path.

Returns:

the number of CellEntrance objects in this path