Line (bb4-games 1.6 API)

java.lang.Object
- com.barrybecker4.game.twoplayer.gomoku.analysis.Line

```
public class Line
extends java.lang.Object
```
Represents a run of symbols to be evaluated on the board. All the symbols in the line should be of the same side.

Field Summary

Fields
Modifier and Type Field Description

protected java.lang.StringBuilder line
contains the symbols in the line (run)

Constructor Summary

Constructors
Constructor Description

Line(LineEvaluator evaluator)
Constructor

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`append(BoardPosition pos)`	Extend the line by an additional position.
`int`	`computeValueDifference(int position)`	We return the difference in value between how the board looked before the move was played (from both points of view) to after the move was played (from both points of view.
`java.lang.String`	`toString()`
`void`	`worthDebug(java.lang.String dir, int pos, int diff)`	debugging aid

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

- Field Detail
  - line
```
protected java.lang.StringBuilder line
```
    contains the symbols in the line (run)
- Constructor Detail
  - Line
```
public Line(LineEvaluator evaluator)
```
    Constructor
    
    Parameters:
    
    evaluator - used to evaluate the score for the line.
- Method Detail
  - append
```
public void append(BoardPosition pos)
```
    Extend the line by an additional position.
    
    Parameters:
    
    pos - the position to extend ourselves by.
  - computeValueDifference
```
public int computeValueDifference(int position)
```
    We return the difference in value between how the board looked before the move was played (from both points of view) to after the move was played (from both points of view. It's important that we look at it from both sides because creating a near win is noticed from the moving players point of view while blocks are noted from the opposing viewpoint.
    
    Parameters:
    
    position - position in the string to compute value difference for.
    
    Returns:
    
    the difference in worth after making a move compared with before.
  - worthDebug
```
public void worthDebug(java.lang.String dir,
                       int pos,
                       int diff)
```
    debugging aid
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object