/// <summary>
/// Recupera o enumerador das entidade com base no resultado preparado.
/// </summary>
/// <param name="prepareResult"></param>
/// <param name="sourceContext"></param>
/// <returns></returns>
private IEnumerator <IEntity> GetEnumerator(PrepareNestedQueriesResult prepareResult, Colosoft.Query.ISourceContext sourceContext)
{
if (prepareResult.Exceptions.Count > 0)
{
throw new AggregateException(prepareResult.Exceptions.FirstOrDefault().Message, prepareResult.Exceptions);
}
foreach (var i in prepareResult.ParentResult)
{
IEntity entity = null;
LazyDataState lazyDataState = new LazyDataState();
prepareResult.EntityLoader.GetLazyData(i, lazyDataState, sourceContext, prepareResult.UiContext, prepareResult.EntityTypeManager, prepareResult.Exceptions);
using (var args = new EntityLoaderCreatorArgs <Model>((Model)i.DataModel, i.RecordKey, i.Children, i.Links, i.References, prepareResult.UiContext, prepareResult.EntityTypeManager))
{
entity = ((EntityLoader <TEntity1, Model>)prepareResult.EntityLoader).EntityCreator(args);
lazyDataState.Entity = entity;
if (entity is IConnectedEntity)
{
((IConnectedEntity)entity).Connect(sourceContext);
}
if (entity is IEntityRecordObserver)
{
((IEntityRecordObserver)entity).RegisterObserver(i.RecordKey);
}
if (entity is ILoadableEntity)
{
((ILoadableEntity)entity).NotifyLoaded();
}
}
i.Dispose();
yield return(entity);
}
}
/// <summary>
/// Processo o resultado da consulta.
/// </summary>
/// <param name="prepareResult"></param>
/// <param name="queryableResult"></param>
private static void ProcessQueryResult(PrepareNestedQueriesResult prepareResult, Query.IQueryResult queryableResult)
{
var bindStrategy = prepareResult.EntityLoader.GetBindStrategy();
var objectCreator = prepareResult.EntityLoader.GetObjectCreator();
var recordKeyFactory = prepareResult.EntityLoader.GetRecordKeyFactory();
var dataModelTypeName = Colosoft.Reflection.TypeName.Get(prepareResult.EntityLoader.DataModelType);
Colosoft.Query.IQueryResultBindStrategySession bindStrategySession = null;
foreach (var record in queryableResult)
{
var data = objectCreator.Create();
if (bindStrategySession == null)
{
bindStrategySession = bindStrategy.CreateSession(record.Descriptor);
}
var bindResult = bindStrategySession.Bind(record, Query.BindStrategyMode.All, ref data);
if (!bindResult.Any())
{
throw new Exception(string.Format("Not found scheme for bind record data to type '{0}'", data.GetType().FullName));
}
var recordKey = recordKeyFactory.Create(dataModelTypeName, record);
EntityLoaderCreatorArgs creatorArgs = null;
creatorArgs = new EntityLoaderCreatorArgs((Model)data, recordKey, new EntityLoaderChildContainer(), new EntityLoaderLinksContainer(), new EntityLoaderReferenceContainer(), prepareResult.UiContext, prepareResult.EntityTypeManager);
prepareResult.ParentResult.Add(creatorArgs);
}
}
/// <summary> /// Cria uma nova instancia da entidade associada. /// </summary> /// <param name="uiContext">Contexto de interface com o usuário.</param> /// <param name="entityTypeManager">Gerenciador do tipo da entidade.</param> /// <param name="creatorArgs">Argumentos que serão usadaos na crição da entidade.</param> /// <param name="sourceContext">Contexto de origem dos dados.</param> /// <returns></returns> public abstract IEntity Create(string uiContext, IEntityTypeManager entityTypeManager, EntityLoaderCreatorArgs creatorArgs, Colosoft.Query.ISourceContext sourceContext);
/// <summary> /// Recupera os dados de carga tardia . /// </summary> /// <param name="creatorArgs">Argumentos para a criação da entidade.</param> /// <param name="state">Estado dos dados de carga tardia.</param> /// <param name="sourceContext">Contexto de origem dos dados.</param> /// <param name="uiContext">Contexto da interface com o usuário.</param> /// <param name="entityTypeManager">Gerenciador dos tipos de entidades.</param> /// <param name="exceptions">Fila dos erros ocorridos.</param> public abstract void GetLazyData(EntityLoaderCreatorArgs creatorArgs, LazyDataState state, Colosoft.Query.ISourceContext sourceContext, string uiContext, IEntityTypeManager entityTypeManager, Queue <Exception> exceptions);