Module swim.structure

Package swim.structure.form

Class NumberForm

java.lang.Object

swim.structure.Form<Number>

swim.structure.form.NumberForm

public final class NumberForm
extends Form<Number>

Transformation between a structurally typed Item and a Number.

Constructor Summary

Constructors

Constructor	Description
NumberForm(Number unit)

Method Summary

Modifier and Type	Method	Description
Number	cast(Item item)	Converts a structurally typed item into a nominally typed Java object.
Item	mold(Number value)	Converts a nominally typed Java object into its structurally typed equivalent.
Class<Number>	type()	Returns the reified Class of type T.
Number	unit()	Returns a default–possibly null–value of type T.
Form<Number>	unit(Number unit)	Returns a version of this Form with the given unit value.

Methods inherited from class swim.structure.Form

cast, forArray, forBigInteger, forBoolean, forBuiltin, forByte, forByteBuffer, forCharacter, forClass, forClass, forCollection, forDouble, forFloat, forInteger, forItem, forList, forLong, forMap, forMap, forNumber, forSet, forShort, forString, forValue, isBuiltin, mold, tag, tag

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

NumberForm

public NumberForm(Number unit)

Method Details

unit

public Number unit()

Description copied from class: Form

Returns a default–possibly null–value of type T. Used as the fallback return value when coercing an invalid structural value.

Overrides:

unit in class Form<Number>

unit

public Form<Number> unit(Number unit)

Description copied from class: Form

Returns a version of this Form with the given unit value.

Overrides:

unit in class Form<Number>

type

public Class<Number> type()

Description copied from class: Form

Returns the reified Class of type T.

Specified by:

type in class Form<Number>

mold

public Item mold(Number value)

Description copied from class: Form

Converts a nominally typed Java object into its structurally typed equivalent. The returned Item must never be null.

Specified by:

mold in class Form<Number>

cast

public Number cast(Item item)

Description copied from class: Form

Converts a structurally typed item into a nominally typed Java object. The passed-in item is assumed to be non-null.

Specified by:

cast in class Form<Number>