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Class tw.edu.ncnu.im.cnclab.JGAP.Vertex

java.lang.Object
   |
   +----tw.edu.ncnu.im.cnclab.JGAP.Vertex

public class Vertex

extends Object

implements Cloneable, Serializable, Comparable11

Version:

0.4 Jul 8, 1999

Author:

Ding-Yi Chen

See Also:

Edge, Graph

anotherStartColor

color

Status of this vertex.

defaultColor

Default colors of the vertex.

distance

Distance to this Vertex.

endColor

hopDist

Hop distance

identity

identity of this Vertex.

inDegree

In-degree of this vertex.

NUL

Indicate null item

outDegree

Out-degree of this vertex.

predecessorNode

ID of predecessor.

startColor

x

coordinate x of this Vertex.

y

coordinate y of this Vertex.

Vertex()

Constructs a dummy vertex.

Vertex(int, int, int)

Constructs a vertex with specified identity.

Vertex(int, int, int, Color)

Constructs a vertex with specified identity and color.

clean()

Clean all special attribute.

clone()

Returns a deep-copied clone of this Vertex.

compareTo(Object)

Compare the distance with specified vertex.

copyFrom(Vertex)

Copies the components from specified Vertex to this Vertex

getColor()

Get the color of vertex.

getDistance()

Get the distance of vertex.

getHopDist()

Get the hop distance of vertex.

getID()

Get the identity of vertex.

getInDegree()

Get the in-degree of vertex.

getOutDegree()

Get the out-degree of vertex.

getPredecessorNode()

Get the identity of predecessor of vertex.

getX()

Get the coordinate x of vertex.

getY()

Get the coordinate y of vertex.

increaseInDegree(int)

Increase in-degree

increaseOutDegree(int)

Increase out-degree

reset()

Reset visited, touched and color attribute.

setColor(Color)

Set the color of vertex.

setDistance(double)

Set the distance of vertex.

setHopDist(int)

Set the hop distance of vertex.

setInDegree(int)

Set the in-degree of vertex.

setOutDegree(int)

Set the out-degree of vertex.

setPredecessorNode(int)

Set the identity of predecessor of vertex.

setX(int)

Set the coordinate x of vertex.

setY(int)

Set the coordinate y of vertex.

 public static final int NUL

Indicate null item

 protected int x

coordinate x of this Vertex.

 protected int y

coordinate y of this Vertex.

 protected int identity

identity of this Vertex.

 protected Color color

Status of this vertex. Use color-represention.

 protected int predecessorNode

ID of predecessor.

 protected int hopDist

Hop distance

 protected int inDegree

In-degree of this vertex.

 protected int outDegree

Out-degree of this vertex.

 protected double distance

Distance to this Vertex.

 public static Color defaultColor

Default colors of the vertex.

 public static Color startColor

 public static Color anotherStartColor

 public static Color endColor

 public Vertex()

Constructs a dummy vertex.

 public Vertex(int identity,
               int x,
               int y)

Constructs a vertex with specified identity.

Parameters:

identity - the identity of this vertex

x - the coordinate x of this vertex

y - the coordinate y of this vertex

 public Vertex(int identity,
               int x,
               int y,
               Color color)

Constructs a vertex with specified identity and color.

Parameters:

identity - the identity of this vertex

x - the coordinate x of this vertex

y - the coordinate y of this vertex

color - the color of this vertex

 public void clean()

Clean all special attribute.

It will call reset() and reset the following attribute:

   predecessorNode=NUL;
   hopDist=NUL;
   distance=Double.POSITIVE_INFINITY;
   

See Also:

reset

 public void copyFrom(Vertex src)

Copies the components from specified Vertex to this Vertex

Parameters:

src - the source Vertex

 public Object clone()

Returns a deep-copied clone of this Vertex.

Returns:

a deep-copied clone of this Vertex.

Overrides:

clone in class Object

 public void reset()

Reset visited, touched and color attribute.

Reset the following attribute:

   color=defaultColor;
   

See Also:

clear

 public int getID()

Get the identity of vertex.

Returns:

the idenity of vertex.

 public int getX()

Get the coordinate x of vertex.

Returns:

the coordinate x of vertex.

 protected void setX(int x)

Set the coordinate x of vertex.

Parameters:

x - the coordinate x of vertex.

 public int getY()

Get the coordinate y of vertex.

Returns:

the coordinate y of vertex.

 protected void setY(int y)

Set the coordinate y of vertex.

Parameters:

y - the coordinate y of vertex.

 public int getPredecessorNode()

Get the identity of predecessor of vertex.

Returns:

the identity of predecessor of vertex.

 public void setPredecessorNode(int predecessorNode)

Set the identity of predecessor of vertex.

Parameters:

predecessorNode - identity of predecessor of vertex.

 public int getHopDist()

Get the hop distance of vertex.

Returns:

the hop distance of vertex.

 public void setHopDist(int hopDist)

Set the hop distance of vertex.

Parameters:

hopDist - the hop distance of vertex.

 public Color getColor()

Get the color of vertex.

Returns:

the color of vertex.

 public void setColor(Color color)

Set the color of vertex.

Parameters:

color - the hop distance of vertex.

 public int getInDegree()

Get the in-degree of vertex.

Returns:

the in-degree of vertex.

 protected void setInDegree(int inDegree)

Set the in-degree of vertex.

Parameters:

inDegree - the in-degree of vertex.

 protected int increaseInDegree(int i)

Increase in-degree

Parameters:

i - add i to in-degree of this vertex

Returns:

the result of addition.

 public int getOutDegree()

Get the out-degree of vertex.

Returns:

the out-degree of vertex.

 protected void setOutDegree(int outDegree)

Set the out-degree of vertex.

Parameters:

outDegree - the out-degree of vertex.

 protected int increaseOutDegree(int i)

Increase out-degree

Parameters:

i - add i to out-degree of this vertex

Returns:

the result of addition.

 public double getDistance()

Get the distance of vertex.

Returns:

the distance of vertex.

 public void setDistance(double distance)

Set the distance of vertex.

Parameters:

distance - the distance of vertex.

 public int compareTo(Object rhs) throws ClassCastException

Compare the distance with specified vertex.

Parameters:

rhs - the second vertex

Returns:

0 if two objects are equal;
-1 if this object is smaller;
1 if this object is larger.

Throws: ClassCastException

the specified Object's type prevents it from being compared to this Object.

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