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

All Known Implementing Classes:

AbstractBaseBuilder, AbstractBuilder, ChartBackgroundColorOptionsBuilder, ChartPointerOptionsBuilder, ColorSchemesOptionsBuilder, CrosshairOptionsBuilder, DataLabelsOptionsBuilder, DatasetsItemsSelectorOptionsBuilder, HtmlLegendOptionsBuilder, LabelItemBuilder, LabelsOptionsBuilder, ToastOptionsBuilder, UpdateConfigurationBuilder
```
public interface IsBuilder
```
Represents an options builder.
Needed to check the consistency of builder after build.

Author:

Andrea "Stock" Stocchero

Method Summary

All Methods Static Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`static <T extends IsBuilder> T`	`checkAndGetIfValid(T builder)`	Checks if the builder haven't been invoked yet to create the object. If not, throw a `IllegalArgumentException`, otherwise it returns the builder.
`static void`	`checkIfValid(IsBuilder builder)`	Checks if the builder haven't been invoked yet to create the object. If not, throw a `IllegalArgumentException`.
`boolean`	`isBuilt()`	Returns `true` if new object has been already created by the builder.
`static boolean`	`isValid(IsBuilder builder)`	Returns `true` if the builder haven't been invoked yet to create the object.

- Method Detail
  - isValid
```
static boolean isValid(IsBuilder builder)
```
    Returns true if the builder haven't been invoked yet to create the object.
    
    Parameters:
    
    builder - builder instance to be checked
    
    Returns:
    
    true if the builder haven't been invoked yet to create the object
  - checkIfValid
```
static void checkIfValid(IsBuilder builder)
```
    Checks if the builder haven't been invoked yet to create the object.
    If not, throw a IllegalArgumentException.
    
    Parameters:
    
    builder - builder instance to be checked
  - checkAndGetIfValid
```
static <T extends IsBuilder> T checkAndGetIfValid(T builder)
```
    Checks if the builder haven't been invoked yet to create the object.
    If not, throw a IllegalArgumentException, otherwise it returns the builder.
    
    Type Parameters:
    
    T - type of key
    
    Parameters:
    
    builder - builder instance to be checked
    
    Returns:
    
    the same key passed as argument
  - isBuilt
```
boolean isBuilt()
```
    Returns true if new object has been already created by the builder.
    
    Returns:
    
    true if new object has been already created by the builder