psdi.workflow.diagram

Class Line

java.lang.Object

psdi.workflow.diagram.Line

All Implemented Interfaces:

java.lang.Comparable

public class Line
extends java.lang.Object
implements java.lang.Comparable

Constructor Summary

Constructors

Constructor and Description
Line(WorkflowRelationship rel, int x1, int y1, int x2, int y2) Constructs a line

Method Summary

Modifier and Type	Method and Description
int	compareTo(java.lang.Object o) Compares 2 relationships for the Comparable interface
boolean	equals(java.lang.Object o)
WorkflowRelationship	getRelationship() Returns the relationship
int	getType() Returns the line type
java.awt.Point	intersect(Line line) Returns the intersets point of 2 lines
boolean	isClose(java.awt.Point point) Returns true if the point is close to the line
boolean	overlap(Line line) Returns whetehr or not the 2 lines overlap
java.lang.String	toString() Returns the string representatio of the line

Methods inherited from class java.lang.Object

getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Line

public Line(WorkflowRelationship rel,
            int x1,
            int y1,
            int x2,
            int y2)

Constructs a line

Parameters:

rel - The workflow realtionship the line belongs to

x1 - The starting x-ccordinate

y1 - The starting y-ccordinate

x2 - The ending x-ccordinate

y2 - The ending x-ccordinate

Method Detail

getType

public int getType()

Returns the line type

Returns:

The line type - HORIZONTAL,VERTICAL or OTHER

getRelationship

public WorkflowRelationship getRelationship()

Returns the relationship

Returns:

The relationship

compareTo

public int compareTo(java.lang.Object o)

Compares 2 relationships for the Comparable interface

Specified by:

compareTo in interface java.lang.Comparable

Parameters:

o - The object to compare to

Returns:

negative value if less than passed object,zero if equals and positive value if greater

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

isClose

public boolean isClose(java.awt.Point point)

Returns true if the point is close to the line

Parameters:

point - The point to test

Returns:

true if close (within 2 pixels) false otherwise

overlap

public boolean overlap(Line line)

Returns whetehr or not the 2 lines overlap

Parameters:

line - The line to find overlap with

Returns:

True if overlap false otherwise

intersect

public java.awt.Point intersect(Line line)

Returns the intersets point of 2 lines

Parameters:

line - The line to find intersection with

Returns:

The intersection point or null if no intersection

toString

public java.lang.String toString()

Returns the string representatio of the line

Overrides:

toString in class java.lang.Object

Returns:

The string representation