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From: Jeff Higgins <jeff@invalid.invalid>
Newsgroups: comp.lang.c,comp.lang.java.programmer
Subject: Re: Self-updating relationship
Date: Thu, 03 Sep 2015 10:32:53 -0400
Organization: A noiseless patient Spider
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References: <relationship-20150902211808@ram.dialup.fu-berlin.de> <55E766BD.3060303@verizon.net> <spaces-20150902222406@ram.dialup.fu-berlin.de> <55E77D04.6080200@verizon.net> <properties-20150903001216@ram.dialup.fu-berlin.de> <55E78636.5000908@verizon.net> <ms8g5j$o5k$1@dont-email.me>
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On 09/02/2015 11:52 PM, Jeff Higgins wrote:
> On 09/02/2015 07:28 PM, James Kuyper wrote:

>> Your earlier version had:
>>>      final javafx.beans.binding.NumberBinding spaces =
>>>      height.subtract( number );
>>
>> which causes spaces.getValue() to behave like the equivalent of a C++
>> member function whose return value is calculated using the specified
>> formula freshly each time "spaces" is referred to. Is this a
>> characteristic of binding.NumberBinding, or some more general Java
>> feature?
>
> It's a characteristic of the
> javafx.beans.binding.Binding<T> interface.
> <https://docs.oracle.com/javase/8/javafx/api/javafx/beans/binding/Binding.html>
>

Sorry, this is incorrect.
It's a characteristic of the
javafx.beans.property.Property<T> interface.
<https://docs.oracle.com/javase/8/javafx/api/javafx/beans/property/Property.html>