Class MaterialAddedEvent

java.lang.Object

com.university.bookstore.observer.MaterialAddedEvent

All Implemented Interfaces:

MaterialEvent

public class MaterialAddedEvent
extends Object
implements MaterialEvent

Event that occurs when a material is added to the system.

Since:

2024-09-15

Version:

3.0

Author:

Navid Mohaghegh

Constructor Summary

Constructors

Constructor	Description
MaterialAddedEvent(Material material)	Creates a new material added event.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
String	getDescription()	Gets a description of this event.
String	getEventType()	Gets the type of this event.
Material	getMaterial()	Gets the material associated with this event.
long	getTimestamp()	Gets the timestamp when this event occurred.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Details

MaterialAddedEvent

public MaterialAddedEvent(Material material)

Creates a new material added event.

Parameters:

material - the material that was added

Throws:

IllegalArgumentException - if material is null

Method Details

getMaterial

public Material getMaterial()

Description copied from interface: MaterialEvent

Gets the material associated with this event.

Specified by:

getMaterial in interface MaterialEvent

Returns:

the material

getTimestamp

public long getTimestamp()

Description copied from interface: MaterialEvent

Gets the timestamp when this event occurred.

Specified by:

getTimestamp in interface MaterialEvent

Returns:

the event timestamp in milliseconds

getEventType

public String getEventType()

Description copied from interface: MaterialEvent

Gets the type of this event.

Specified by:

getEventType in interface MaterialEvent

Returns:

the event type

getDescription

public String getDescription()

Description copied from interface: MaterialEvent

Gets a description of this event.

Specified by:

getDescription in interface MaterialEvent

Returns:

the event description

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object