Event (ddd-4-java 0.4.0 API)

All Superinterfaces:

Serializable

All Known Subinterfaces:

DomainEvent<ID>

All Known Implementing Classes:

AbstractDomainEvent, AbstractEvent
```
public interface Event
extends Serializable
```
Something that happened in the system.

Method Summary

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

- 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.
  - getEventTimestamp
```
@NotNull
@NotNull ZonedDateTime getEventTimestamp()
```
    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.