API review: Conversion methods in Binding API

[Martin Sladecek]

One request just came last Friday: 
http://javafx-jira.kenai.com/browse/RT-25996 ;-)

-Martin

On 11/02/2012 09:54 PM, Richard Bair wrote:
> I haven't seen this as a request by developers yet, I tend to think we ought to keep this feature / tweak in our backlog and revisit if / when we see some demand from users?
>
> Richard
>
> On Sep 18, 2012, at 12:00 AM, Michael Heinrichs <michael.heinrichs at oracle.com> wrote:
>
>> Hi,
>>
>> there are sometimes situations, when a developer has a general typed value, but needs a specific type, e.g. a user may have an ObjectProperty<Integer> but needs an ObservableIntegerValue. I want to add some conversion methods for these kind of cases. http://javafx-jira.kenai.com/browse/RT-19020
>>
>> class BooleanExpression:
>> public static BooleanExpression booleanExpression(ObservableValue<Boolean>)
>> The current booleanExpression() method will be marked as deprecated and should be removed when we do an incompatible update of the JavaFX API. Same for the methods in DoubleExpression etc.
>>
>> class DoubleExpression:
>> public static <T extends Number> DoubleExpression doubleExpression(ObservableValue<T>)
>>
>> class FloatExpression:
>> public static <T extends Number> FloatExpression floatExpression(ObservableValue<T>)
>>
>> class IntegerExpression:
>> public static <T extends Number> IntegerExpression integerExpression(ObservableValue<T>)
>>
>> class LongExpression:
>> public static <T extends Number> LongExpression longExpression(ObservableValue<T>)
>>
>> class ObjectExpression:
>> public BooleanBinding asBoolean()
>> public DoubleBinding asDouble()
>> public FloatBinding asFloat()
>> public IntegerBinding asInteger()
>> public LongBinding asLong()
>> The bindings returned by these methods will return the default value, if the type of the wrapped Object does not match the expected.
>>
>> class Bindings:
>> public static BooleanExpression convertToBoolean(ObservableValue<Boolean>)
>> public static <T extends Number> DoubleExpression convertToDouble(ObservableValue<T>)
>> public static <T extends Number> FloatExpression convertToFloat(ObservableValue<T>)
>> public static <T extends Number> IntegerExpression convertToInteger(ObservableValue<T>)
>> public static <T extends Number> LongExpression convertToLong(ObservableValue<T>)
>>
>> Thanks,
>> Michael