Package org.fuin.ddd4j.ddd

Class AbstractEvent.Builder<TYPE extends AbstractEvent,​BUILDER extends AbstractEvent.Builder<TYPE,​BUILDER>>

  • Type Parameters:
    TYPE - Type of the event.
    BUILDER - Type of the builder.
    Direct Known Subclasses:
    AbstractDomainEvent.Builder
    Enclosing class:
    AbstractEvent
    protected abstract static class AbstractEvent.Builder<TYPE extends AbstractEvent,​BUILDER extends AbstractEvent.Builder<TYPE,​BUILDER>>
extends Object
    Base class for event builders.

    • Constructor Detail

      • Builder

        public Builder​(TYPE delegate)
        Constructor with event.
        Parameters:
        delegate - Event to populate with data.

    • Method Detail

      • eventId

        public final BUILDER eventId​(@NotNull
                             @NotNull EventId eventId)
        Sets the unique identifier of the event.
        Parameters:
        eventId - Unique event id.
        Returns:
        This builder.

      • timestamp

        public final BUILDER timestamp​(@NotNull
                               @NotNull ZonedDateTime eventTimestamp)
        Sets the date/Time the event was created.
        Parameters:
        eventTimestamp - Date/Time the event was created.
        Returns:
        This builder.

      • correlationId

        public final BUILDER correlationId​(EventId correlationId)
        Sets the event this one correlates to.
        Parameters:
        correlationId - Identifier of the event this one correlates to.
        Returns:
        This builder.

      • causationId

        public final BUILDER causationId​(EventId causationId)
        Sets the event that caused this one.
        Parameters:
        causationId - Identifier of the event that caused this one.
        Returns:
        This builder.

      • causingEvent

        public final BUILDER causingEvent​(Event event)
        Takes the id of the event as causation id and copies the correlation id.
        Parameters:
        event - Event that caused the one that is being build.
        Returns:
        This builder.

      • ensureBuildableAbstractEvent

        protected final void ensureBuildableAbstractEvent()
        Ensures that everything is setup for building the object or throws a runtime exception otherwise.

      • resetAbstractEvent

        protected final void resetAbstractEvent​(TYPE delegate)
        Sets the internal instance to a new one. This must be called within the build method.
        Parameters:
        delegate - Delegate to use.

      • delegate

        protected final TYPE delegate()
        Returns the delegate.
        Returns:
        Delegate.

      • ensureNotNull

        protected final void ensureNotNull​(String name,
                                   Object value)
        Ensures that a filed is set or throws a runtime exception otherwise.
        Parameters:
        name - Name of the field.
        value - Value to test for null.