Package com.sun.jdo.spi.persistence.support.sqlstore.query.util.type

Interface NumberType

All Known Implementing Classes:

FloatingPointType, IntegralType, MathType, NumericType, NumericWrapperClassType

public interface NumberType

This class is the super class for all integral and floating point types.

Version:

0.1

Author:

Michael Bouschen

Method Summary

Modifier and Type	Method	Description
Number	getValue(Number value)	Converts the specified value into a value of this numeric type.
Number	negate(Number value)	Returns -value.

Method Detail

getValue

Number getValue(Number value)

Converts the specified value into a value of this numeric type. E.g. an Integer is converted into a Double, if this represents the numeric type double.

Parameters:

value - value to be converted

Returns:

converted value

negate

Number negate(Number value)

Returns -value.

Parameters:

value - value to be negated

Returns:

-value