org.fuin.ddd4j.ddd

Interface Event

All Superinterfaces:

java.io.Serializable

All Known Subinterfaces:

DomainEvent<ID>

All Known Implementing Classes:

AbstractDomainEvent, AbstractEvent

public interface Event
extends java.io.Serializable

Something that happened in the system.

Method Summary

Modifier and Type	Method and Description
EventId	getCausationId() Causation identifier.
EventId	getCorrelationId() Correlation identifier.
@NotNull EventId	getEventId() Returns the identifier of the event.
@NotNull EventType	getEventType() Returns the type of the event (What happened).
@NotNull java.time.ZonedDateTime	getTimestamp() Date, time and time zone the event was created.

Method Detail

getEventId

@NotNull
@NotNull EventId getEventId()

Returns the identifier of the event.

Returns:

Unique identifier event.

getEventType

@NotNull
@NotNull EventType getEventType()

Returns the type of the event (What happened).

Returns:

A text unique for all events of an aggregate.

getTimestamp

@NotNull
@NotNull java.time.ZonedDateTime getTimestamp()

Date, time and time zone the event was created.

Returns:

Event creation date and time.

getCorrelationId

@Nullable
EventId getCorrelationId()

Correlation identifier.

Returns:

Context of the event.

getCausationId

@Nullable
EventId getCausationId()

Causation identifier.

Returns:

Identifier of the evtn that caused this one.