io.eventuate

Interface EventEnvelope<T extends Event>

Type Parameters:

T - the event class

All Known Subinterfaces:

EventHandlerContext<T>, EventHandlerContext<T>

All Known Implementing Classes:

DispatchedEvent

public interface EventEnvelope<T extends Event>

A container of an event and it's metadata

Method Summary

Modifier and Type	Method and Description
java.lang.String	getEntityId() The id of the aggregate that published the event
T	getEvent() The event
EventContext	getEventContext() An opaque token that can used to update aggregates idempotently
io.eventuate.common.id.Int128	getEventId() The event id
java.util.Optional<java.util.Map<java.lang.String,java.lang.String>>	getEventMetadata()
java.lang.Class<T>	getEventType() The event type
java.lang.Long	getOffset() A monotonically increasing offset within the swimlane
java.lang.Integer	getSwimlane() Each aggregate (the sender) is assigned a swimlane, which can be used for concurrent event processing

Method Detail

getEvent

T getEvent()

The event

Returns:

the event

getEventId

io.eventuate.common.id.Int128 getEventId()

The event id

Returns:

the event id

getEventType

java.lang.Class<T> getEventType()

The event type

Returns:

the event type

getEntityId

java.lang.String getEntityId()

The id of the aggregate that published the event

Returns:

the entity id

getSwimlane

java.lang.Integer getSwimlane()

Each aggregate (the sender) is assigned a swimlane, which can be used for concurrent event processing

Returns:

the swimlane

getOffset

java.lang.Long getOffset()

A monotonically increasing offset within the swimlane

Returns:

the offset

getEventContext

EventContext getEventContext()

An opaque token that can used to update aggregates idempotently

Returns:

the context

See Also:

UpdateOptions, FindOptions

getEventMetadata

java.util.Optional<java.util.Map<java.lang.String,java.lang.String>> getEventMetadata()