PathNode (Wicket Util 9.13.0 API)

java.lang.Object
- org.apache.wicket.util.diff.myers.PathNode

Direct Known Subclasses:

DiffNode, Snake
```
public abstract class PathNode
extends Object
```
A node in a diffpath.

Version:

$Revision: 1.1 $ $Date: 2006/03/12 00:24:21 $

Author:

Juanco Anez

See Also:

DiffNode, Snake

Field Summary

Fields
Modifier and Type Field Description

int i
Position in the original sequence.

int j
Position in the revised sequence.

PathNode prev
The previous node in the path.

Constructor Summary

Constructors
Constructor Description

PathNode(int i, int j, PathNode prev)
Concatenates a new path node with an existing diffpath.

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`isBootstrap()`	Is this a bootstrap node?
`abstract boolean`	`isSnake()`	Is this node a `Snake node`?
`PathNode`	`previousSnake()`	Skips sequences of `DiffNodes` until a `Snake` or bootstrap node is found, or the end of the path is reached.
`String`	`toString()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - i
```
public final int i
```
    Position in the original sequence.
  - j
```
public final int j
```
    Position in the revised sequence.
  - prev
```
public final PathNode prev
```
    The previous node in the path.
- Constructor Detail
  - PathNode
```
public PathNode(int i,
                int j,
                PathNode prev)
```
    Concatenates a new path node with an existing diffpath.
    
    Parameters:
    
    i - The position in the original sequence for the new node.
    
    j - The position in the revised sequence for the new node.
    
    prev - The previous node in the path.
- Method Detail
  - isSnake
```
public abstract boolean isSnake()
```
    Is this node a Snake node?
    
    Returns:
    
    true if this is a Snake node
  - isBootstrap
```
public boolean isBootstrap()
```
    Is this a bootstrap node?
    In bootstrap nodes one of the two coordinates is less than zero.
    
    Returns:
    
    true if this is a bootstrap node.
  - previousSnake
```
public final PathNode previousSnake()
```
    Skips sequences of DiffNodes until a Snake or bootstrap node is found, or the end of the path is reached.
    
    Returns:
    
    The next first Snake or bootstrap node in the path, or null if none found.
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object