Package com.storedobject.core

Record Class QuantityWithCost

java.lang.Object

java.lang.Record

com.storedobject.core.QuantityWithCost

Record Components:

quantity - Quantity

cost - Cost

public record QuantityWithCost(Quantity quantity, Money cost)
extends Record

Represents a combination of a quantity and its associated cost, encapsulated within a record for simplicity and immutability.

Author:

Syam

Constructor Summary

Constructors

Constructor	Description
QuantityWithCost(Quantity quantity, Money cost)	Creates an instance of a QuantityWithCost record class.

Method Summary

Modifier and Type	Method	Description
QuantityWithCost	add(QuantityWithCost another)	Add another instance to this instance and return the resulted instance.
Money	cost()	Returns the value of the cost record component.
final boolean	equals(Object o)	Indicates whether some other object is "equal to" this one.
final int	hashCode()	Returns a hash code value for this object.
Quantity	quantity()	Returns the value of the quantity record component.
QuantityWithCost	subtract(QuantityWithCost another)	Subtract another instance to this instance and return the resulted instance.
final String	toString()	Returns a string representation of this record class.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

QuantityWithCost

public QuantityWithCost(Quantity quantity,
 Money cost)

Creates an instance of a QuantityWithCost record class.

Parameters:

quantity - the value for the quantity record component

cost - the value for the cost record component

Method Details

add

public QuantityWithCost add(QuantityWithCost another)

Add another instance to this instance and return the resulted instance.

Parameters:

another - Another instance.

Returns:

New instance.

subtract

public QuantityWithCost subtract(QuantityWithCost another)

Subtract another instance to this instance and return the resulted instance.

Parameters:

another - Another instance.

Returns:

New instance.

toString

public final String toString()

Returns a string representation of this record class. The representation contains the name of the class, followed by the name and value of each of the record components.

Specified by:

toString in class Record

Returns:

a string representation of this object

hashCode

public final int hashCode()

Returns a hash code value for this object. The value is derived from the hash code of each of the record components.

Specified by:

hashCode in class Record

Returns:

a hash code value for this object

equals

public final boolean equals(Object o)

Indicates whether some other object is "equal to" this one. The objects are equal if the other object is of the same class and if all the record components are equal. All components in this record class are compared with Objects::equals(Object,Object).

Specified by:

equals in class Record

Parameters:

o - the object with which to compare

Returns:

true if this object is the same as the o argument; false otherwise.

quantity

public Quantity quantity()

Returns the value of the quantity record component.

Returns:

the value of the quantity record component

cost

public Money cost()

Returns the value of the cost record component.

Returns:

the value of the cost record component