IsShape (Charba - J2CL and GWT charts library based on CHART.JS)

All Superinterfaces:

Key

All Known Implementing Classes:

CharacterShape, ImageShape, Shape
```
public interface IsShape
extends Key
```
Defines a shape to draw on the tile.

Author:

Andrea "Stock" Stocchero

Method Summary

All Methods Static Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`static void`	`checkIfValid(IsShape shape)`	Checks if shape passed as argument is not `null` and its methods are not returning `null` as well. If not, throw a `IllegalArgumentException`.
`ShapeDrawer`	`getDrawer()`	Returns the instance of shape drawer.
`String`	`getKeyPrefix()`	Returns a unique key prefix for shape to use in the cache.
`static boolean`	`isValid(IsShape shape)`	Returns `true` if shape passed as argument is not `null` and its methods are not returning `null` as well.

Methods inherited from interface org.pepstock.charba.client.commons.Key
value

- Method Detail
  - isValid
```
static boolean isValid(IsShape shape)
```
    Returns true if shape passed as argument is not null and its methods are not returning null as well.
    
    Parameters:
    
    shape - shape to be checked
    
    Returns:
    
    true if shape passed as argument is not null and its methods are not returning null as well.
  - checkIfValid
```
static void checkIfValid(IsShape shape)
```
    Checks if shape passed as argument is not null and its methods are not returning null as well.
    If not, throw a IllegalArgumentException.
    
    Parameters:
    
    shape - shape to be checked
  - getDrawer
```
ShapeDrawer getDrawer()
```
    Returns the instance of shape drawer.
    
    Returns:
    
    the instance of shape drawer.
  - getKeyPrefix
```
String getKeyPrefix()
```
    Returns a unique key prefix for shape to use in the cache.
    
    Returns:
    
    a unique key prefix for shape to use in the cache