Using BigInteger as type for JavaFX property

Hello,
Why is BigInteger not a legitimate type for a JavaFX property?
Is there a way for me to use a java.math.BigInteger as shown below:
class HomePhone
BigInteger landLine1 = 0
BigInteger landLine2 = 0
} // end class HomePhone
Thank you very much.

Why is BigInteger not a legitimate type for a JavaFX property?Because it does not implement the JavaFX property interface:
http://docs.oracle.com/javafx/2/api/javafx/beans/property/Property.html
You could fit your phone numbers in an IntegerProperty or LongProperty, which have maxvalues of 2147483647 and 9223372036854775807 respectively or you could use a SimpleStringProperty.
One could make a high quality BigIntegerProperty with a bit of work. To do a full implementation of property management for BigIntegers which handles expressions, type conversions, etc, requires quite a few classes. For example, you can see some of the hierarchy implemented to enable rich Double properties - something similar could be created for BigInteger - a feature request could be created at http://javafx-jira.kenai.com.
java.lang.Object
javafx.beans.binding.NumberExpressionBase
javafx.beans.binding.DoubleExpression
javafx.beans.property.ReadOnlyDoubleProperty
javafx.beans.property.DoubleProperty
javafx.beans.property.DoublePropertyBase
javafx.beans.property.SimpleDoubleProperty

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