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

All Superinterfaces:

Key

All Known Subinterfaces:

AnnotationId, AxisType, DataLabelId, LabelId, ScaleId

All Known Implementing Classes:

ChartAxisType, DefaultScaleId
```
public interface PropertyKey
extends Key
```
Represents the key of property of a java-script object.

Author:

Andrea "Stock" Stocchero

Method Summary

Static Methods
Modifier and Type	Method	Description
`static void`	`checkIfValid(String id)`	Checks if id passed as argument is not `null` and its value is not `null` as well and could be a valid property key. If not, throw a `IllegalArgumentException`.
`static void`	`checkIfValid(PropertyKey id)`	Checks if id passed as argument is not `null` and its value is not `null` as well and could be a valid property key. If not, throw a `IllegalArgumentException`.
`static boolean`	`isValid(String id)`	Returns `true` if id passed as argument is not `null` and its value could be a valid property key.
`static boolean`	`isValid(PropertyKey id)`	Returns `true` if id passed as argument is not `null` and its value is not `null` as well and could be a valid property key.

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

- Method Detail
  - isValid
```
static boolean isValid(String id)
```
    Returns true if id passed as argument is not null and its value could be a valid property key.
    
    Parameters:
    
    id - id to be checked
    
    Returns:
    
    true if id passed as argument is not null and its value could be a valid property key.
  - isValid
```
static boolean isValid(PropertyKey id)
```
    Returns true if id passed as argument is not null and its value is not null as well and could be a valid property key.
    
    Parameters:
    
    id - id to be checked
    
    Returns:
    
    true if id passed as argument is not null and its value is not null as well and could be a valid property key.
  - checkIfValid
```
static void checkIfValid(PropertyKey id)
```
    Checks if id passed as argument is not null and its value is not null as well and could be a valid property key.
    If not, throw a IllegalArgumentException.
    
    Parameters:
    
    id - id to be checked
  - checkIfValid
```
static void checkIfValid(String id)
```
    Checks if id passed as argument is not null and its value is not null as well and could be a valid property key.
    If not, throw a IllegalArgumentException.
    
    Parameters:
    
    id - id as string to be checked