All Methods Static Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract SegmentNode`	`addNewFigure(int code, RectangleNode pnew)`
`static void`	`cleanCache()`	We return the cached memory to garbage collector.
`abstract void`	`flush()`
`abstract SegmentNode[]`	`getFigures()`
`protected static RectangleNode`	`getRectangleNode()`	Generate a rectangle node from our own cache.
`protected static SegmentNode`	`getSegmentNode()`	Generate a segment node from our own cache.
`abstract int[]`	`getSizes()`
`abstract boolean`	`isThereUnprocessedFigures()`
`abstract void`	`mergeFigures(int size)`
`protected static SegmentNode`	`reclaimRectangleNode(SegmentNode p)`	Return the rectangle node to cache.
`protected static SegmentNode`	`reclaimSegmentNode(SegmentNode p)`	Return the segment node to cache.
`abstract void`	`removeUselessSegments()`

protected static SegmentNode reclaimSegmentNode(SegmentNode p)

Return the segment node to cache.

protected static SegmentNode reclaimRectangleNode(SegmentNode p)

Return the rectangle node to cache.

cleanCache
```
public static void cleanCache()
```
We return the cached memory to garbage collector.

public abstract SegmentNode[] getFigures()

public abstract boolean isThereUnprocessedFigures()

public abstract SegmentNode addNewFigure(int code,
                                         RectangleNode pnew)

public abstract void mergeFigures(int size)

public abstract void removeUselessSegments()

Class IFigureManager