server/io.spine.server.projection.model/ProjectionClass

ProjectionClass

public final class ProjectionClass extends EntityClass<E> implements EventReceiverClass, SubscribingClass, StateSubscribingClass

Provides type information on a projection class.

Parameters

the type of projections

Functions

asProjectionClass

public static ProjectionClass asProjectionClass(Class cls)

Obtains a model class for the passed raw class.

domesticEvents

public final ImmutableSet<EventClass> domesticEvents()

Obtains a set of domestic events which this class receives.

domesticStates

public final ImmutableSet<StateClass> domesticStates()

Obtains domestic entity states to which the class is subscribed.

events

public final ImmutableSet<EventClass> events()

Obtains a set of event classes which this class receives.

externalEvents

public final ImmutableSet<EventClass> externalEvents()

Obtains a set of external events which this class receives.

externalStates

public final ImmutableSet<StateClass> externalStates()

Obtains external entity states to which the class is subscribed.

subscribersOf

public final ImmutableSet<SubscriberMethod> subscribersOf(EventClass eventClass, MessageClass<?> originClass)

Obtains all subscriber methods that handle the passed event class.

Inherited functions

asEntityClass

public static EntityClass<E> asEntityClass<E extends Entity>(Class<E> cls)

Obtains an entity class for the passed raw class.

columns

public final Columns columns()

Obtains the entity columns of this class.

constructor

public final Constructor<E> constructor()

Obtains constructor for the entities of this class.

create

public E create(Object constructionArgument)

Creates new entity.

createFactory

protected EntityFactory<E> createFactory()

Creates a new instance of the factory for creating entities.

defaultState

public final EntityState defaultState()

Obtains the default state for this class of entities.

equals

public boolean equals(Object o)

factory

public final EntityFactory<E> factory()

Obtains the factory for creating entities.

get

protected static ModelClass<T> get<T, M extends ModelClass<T>>(Class<T> rawClass, Class<M> requestedModelClass, Supplier<ModelClass<T>> supplier)

Obtains the model class for the passed raw class.

hashCode

public int hashCode()

idClass

public final Class<? extends Object> idClass()

Obtains the class of IDs used by the entities of this class.

public static Class idClass(Class<? extends Entity> cls)

Obtains the class of identifiers from the passed entity class.

stateClass

public final Class<? extends EntityState> stateClass()

Obtains the class of the state of entities of this class.

stateClassOf

public static Class<S> stateClassOf<S extends EntityState>(Class<? extends Entity> entityClass)

Retrieves the state class of the passed entity class.

stateType

public final MessageType stateType()

Obtains the entity state type.

stateTypeUrl

public final TypeUrl stateTypeUrl()

Obtains type URL of the state of entities of this class.

subscriberOf

public Optional<SubscriberMethod> subscriberOf(EventEnvelope event)

Obtains a method that handles the passed class of events.

subscribesToStates

public boolean subscribesToStates()

Verifies if this class is subscribed to updates of entity states, either domestic or external.

typeName

public final EntityTypeName typeName()

Obtains the name of this class as an EntityTypeName.

value

public Class<E> value()

Obtains the raw class of the entities.

visibility

public final EntityVisibility visibility()

Obtains the visibility of this entity type as declared in the Protobuf definition.