Module Lunchify

Package jku.se

Enum Class Category

java.lang.Object

java.lang.Enum<Category>

jku.se.Category

All Implemented Interfaces:

Serializable, Comparable<Category>, Constable

public enum Category
extends Enum<Category>

Enum representing the type of invoice category. Each category has a display name and a configurable custom refund amount. If no custom refund amount is set, a default value is used.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
RESTAURANT	Category for restaurant-related invoices.
SUPERMARKET	Category for supermarket-related invoices.

Field Summary

Fields

Modifier and Type	Field	Description
double	customRefundAmount

Method Summary

Modifier and Type	Method	Description
double	getRefundAmount()	Returns the refund amount for this category.
static void	setCustomRefundAmount(Category category, double amount)	Sets a custom refund amount for a specific category.
static Category	valueOf(String name)	Returns the enum constant of this class with the specified name.
static Category[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

RESTAURANT

public static final Category RESTAURANT

Category for restaurant-related invoices.

SUPERMARKET

public static final Category SUPERMARKET

Category for supermarket-related invoices.

Field Details

customRefundAmount

public double customRefundAmount

Method Details

values

public static Category[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static Category valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum class has no constant with the specified name

NullPointerException - if the argument is null

getRefundAmount

public double getRefundAmount()

Returns the refund amount for this category. If a custom refund amount is set (≥ 0), it is returned; otherwise, the default value is returned.

Returns:

Refund amount in euros.

setCustomRefundAmount

public static void setCustomRefundAmount(Category category,
 double amount)

Sets a custom refund amount for a specific category.

Parameters:

category - The category to update.

amount - The custom refund amount (must be ≥ 0).

Throws:

IllegalArgumentException - if the amount is negative.