All Known Subinterfaces:

AnimationCollectionKey, AnimationPropertyKey, AnnotationId, AxisType, ColorScheme, DataLabelId, IsFill, IsLocaleItem, IsProgressBarType, IsShape, IsToastType, IsTooltipPosition, IsTypedAnimationKey, LabelId, PropertyKey, ScaleId, TransitionKey, Type

All Known Implementing Classes:

AbsoluteDatasetIndexFill, AbstractDataPoint.CharbaProperty, AbstractPluginOptions.Property, AbstractXYDataPoint.XYProperty, Align, Align, Align, Align, Align, Anchor, Anchor, AnimationType, AnnotationType, AxisKind, AxisPosition, BarDatasetOptionsHandler.Property, BorderAlign, BorderItemType, BorderSkipped, BorderStyle, Bounds, BrewerScheme, Calendar, CalloutPosition, CapStyle, CharacterShape, ChartAxisType, ChartEventProperty, ChartType, ClipMap, ColorMode, ColorType, CompactDisplay, ContextType, ControllerType, CrossAlign, CubicInterpolationMode, Currency, CurrencyDisplay, CurrencySign, CursorType, CustomTooltipPosition, DataPointType, Dataset.CanvasObjectProperty, Dataset.CommonProperty, DataType, DateTimeStyle, DecimationAlgorithm, DefaultAnimationCollectionKey, DefaultAnimationPropertyKey, DefaultPluginId, DefaultProgressBarType, DefaultScaleId, DefaultToastType, DefaultTransitionKey, Display, Display, DrawTime, DrawTime, Easing, ElementAlign, Event, Event, Event, EventType, Fill, FillHandler.Property, FillingMode, FontStyle, FormatMatcher, FormatPartType, GlobalCompositeOperation, GoogleChartScheme, GradientOrientation, GradientScope, GradientType, GwtMaterialScheme, HourCycle, Id, ImageMimeType, ImageShape, IndexAxis, InteractionAxis, InteractionMode, Interpolate, JoinStyle, LabelPosition, Language, LegendEventProperty, LegendTextHandler.Property, LocaleMatcher, MeasureUnit, MeasureUnitDisplay, MixedItemStyle, Mode, Mode, ModifierKey, MutationType, Notation, NumberingSystem, NumberItemStyle, OfficeScheme, Options.CommonProperty, PluginOptionsScope, PointerElement, PointStyle, PointStyleType, Position, Position, Position, Position, Position, Projection, Region, RegressionType, RelativeDatasetIndexFill, Render, Render, Repetition, ResourceName, ScaleTitleAlign, SchemeScope, Script, Shape, SignDisplay, Size, SpanGapHandler.Property, StandardAnimationCollection, StandardAnimationProperty, StandardAnimationTransition, StandardAxisType, StandardKey, StandardScaleId, Status, Stepped, StringItemStyle, Style, TableauScheme, TextAlign, TextBaseline, TextDecoration, TextDirection, TickAlign, TickSource, TimeUnit, TimeZone, TimeZoneName, TooltipAlign, TooltipPosition, Unit, Weight
```
public interface Key
```
Represents the property key of a JavaScript object.
Used for enum.

Author:

Andrea "Stock" Stocchero

Method Summary

All Methods Static Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`static <T extends Key> T`	`checkAndGetIfValid(T key)`	Checks if key passed as argument is not `null` and its value is not `null` as well. If not, throw a `IllegalArgumentException`, otherwise it returns the key.
`static void`	`checkIfValid(Key key)`	Checks if key passed as argument is not `null` and its value is not `null` as well. If not, throw a `IllegalArgumentException`.
`static int`	`compare(Key k1, Key k2)`	Compares the two specified key values.
`static Key`	`create(String key)`	Returns a key instance by its string value.
`static boolean`	`equals(Key k1, Key k2)`	Returns `true` if the keys have got the same value.
`static <T extends Key> T`	`getKeyByValue(T[] enumValues, String value)`	Returns a key in the an enumeration by the value.
`static <T extends Key> T`	`getKeyByValue(T[] enumValues, String value, T defaultKey)`	Returns a key in the an enumeration by the value, or the default key passed as argument.
`static <T extends Key> boolean`	`hasKeyByValue(T[] enumValues, String value)`	Returns `true` if a key in the an enumeration is related to the value, otherwise `false`.
`static boolean`	`isValid(Key key)`	Returns `true` if key passed as argument is not `null` and its value is not `null` as well.
`String`	`value()`	Returns the name value of property

- Method Detail
  - create
```
static Key create(String key)
```
    Returns a key instance by its string value.
    
    Parameters:
    
    key - string value to use
    
    Returns:
    
    a standard key instance
  - isValid
```
static boolean isValid(Key key)
```
    Returns true if key passed as argument is not null and its value is not null as well.
    
    Parameters:
    
    key - key to be checked
    
    Returns:
    
    true if key passed as argument is not null and its value is not null as well.
  - checkIfValid
```
static void checkIfValid(Key key)
```
    Checks if key passed as argument is not null and its value is not null as well.
    If not, throw a IllegalArgumentException.
    
    Parameters:
    
    key - key to be checked
  - checkAndGetIfValid
```
static <T extends Key> T checkAndGetIfValid(T key)
```
    Checks if key passed as argument is not null and its value is not null as well.
    If not, throw a IllegalArgumentException, otherwise it returns the key.
    
    Type Parameters:
    
    T - type of key
    
    Parameters:
    
    key - key to be checked
    
    Returns:
    
    the same key passed as argument
  - hasKeyByValue
```
static <T extends Key> boolean hasKeyByValue(T[] enumValues,
                                             String value)
```
    Returns true if a key in the an enumeration is related to the value, otherwise false.
    
    Type Parameters:
    
    T - type of key
    
    Parameters:
    
    enumValues - enumeration values of keys
    
    value - value to search in the key
    
    Returns:
    
    true if a key in the an enumeration is related to the value, otherwise false
  - getKeyByValue
```
static <T extends Key> T getKeyByValue(T[] enumValues,
                                       String value)
```
    Returns a key in the an enumeration by the value.
    
    Type Parameters:
    
    T - type of key
    
    Parameters:
    
    enumValues - enumeration values of keys
    
    value - value to search in the key
    
    Returns:
    
    the found key by value or null
  - getKeyByValue
```
static <T extends Key> T getKeyByValue(T[] enumValues,
                                       String value,
                                       T defaultKey)
```
    Returns a key in the an enumeration by the value, or the default key passed as argument.
    
    Type Parameters:
    
    T - type of key
    
    Parameters:
    
    enumValues - enumeration values of keys
    
    value - value to search in the key
    
    defaultKey - default key instance if the value is not found
    
    Returns:
    
    the found key by value or the default one
  - compare
```
static int compare(Key k1,
                   Key k2)
```
    Compares the two specified key values.
    
    Parameters:
    
    k1 - the first key to compare
    
    k2 - the second key to compare
    
    Returns:
    
    the value 0 if k1 value is equal to k2; a value less than 0 if k1 value is less than k2; and a value greater than 0 if k1 value is greater than k2.
  - equals
```
static boolean equals(Key k1,
                      Key k2)
```
    Returns true if the keys have got the same value.
    
    Parameters:
    
    k1 - the first key to compare
    
    k2 - the second key to compare
    
    Returns:
    
    true if the keys have got the same value
  - value
```
String value()
```
    Returns the name value of property
    
    Returns:
    
    the name value of property

Interface Key

Method Summary

Method Detail

create

isValid

checkIfValid

checkAndGetIfValid

hasKeyByValue

getKeyByValue

getKeyByValue

compare

equals

value