private <S, R, T> R createByExample(
S from,
Class<R> relationType,
T to,
Map<PrimitivePropertyMethodMetadata<PropertyMetadata>, Object> example) {
MetadataProvider<EntityMetadata, EntityDiscriminator, RelationMetadata, RelationDiscriminator>
metadataProvider = sessionContext.getMetadataProvider();
AbstractRelationPropertyMethodMetadata<?> fromProperty =
metadataProvider.getPropertyMetadata(from.getClass(), relationType, FROM);
AbstractRelationPropertyMethodMetadata<?> toProperty =
metadataProvider.getPropertyMetadata(to.getClass(), relationType, TO);
Entity entity = sessionContext.getEntityInstanceManager().getDatastoreType(from);
R instance =
sessionContext
.getEntityPropertyManager()
.createRelationReference(entity, fromProperty, to, toProperty, example);
sessionContext.getInstanceListenerService().postCreate(instance);
return instance;
}
