/// <summary>
/// Initializes the Model Builder Pipeline (class constructor).
/// </summary>
static ModelBuilderPipeline()
{
using (new Tracer())
{
IList <IModelBuilder> modelBuilders = new List <IModelBuilder>();
try
{
ModelBuilderPipelineConfiguration config = (ModelBuilderPipelineConfiguration)ConfigurationManager.GetSection(ModelBuilderPipelineConfiguration.SectionName);
if (config != null)
{
foreach (ModelBuilderSettings modelBuilderSettings in config.ModelBuilders)
{
Type modelBuilderType = Type.GetType(modelBuilderSettings.Type, throwOnError: true, ignoreCase: true);
IModelBuilder modelBuilder = (IModelBuilder)modelBuilderType.CreateInstance();
modelBuilders.Add(modelBuilder);
}
}
}
catch (Exception ex)
{
// Throwing exceptions from a class constructor results in rather cryptic error messages, so we handle the exception here.
Log.Error(ex);
Log.Warn("An error occurred while initializing the Model Builder Pipeline. Using the Default Model Builder.");
modelBuilders.Clear();
}
if (modelBuilders.Count == 0)
{
modelBuilders.Add(new DefaultModelBuilder());
}
ModelBuilders = modelBuilders;
}
}
/// <summary>
/// Initializes the Model Builder Pipeline (class constructor).
/// </summary>
static ModelBuilderPipeline()
{
Log.Debug($"Constructing ModelBuilderPipeline");
using (new Tracer())
{
IList <IPageModelBuilder> pageModelBuilders = new List <IPageModelBuilder>();
IList <IEntityModelBuilder> entityModelBuilders = new List <IEntityModelBuilder>();
try
{
ModelBuilderPipelineConfiguration config = (ModelBuilderPipelineConfiguration)ConfigurationManager.GetSection(ModelBuilderPipelineConfiguration.SectionName);
if (config == null)
{
Log.Warn($"No '{ModelBuilderPipelineConfiguration.SectionName}' configuration section found.");
}
else
{
foreach (ModelBuilderSettings modelBuilderSettings in config.ModelBuilders)
{
Type modelBuilderType = Type.GetType(modelBuilderSettings.Type, throwOnError: true, ignoreCase: true);
object modelBuilder = modelBuilderType.CreateInstance();
IPageModelBuilder pageModelBuilder = modelBuilder as IPageModelBuilder;
IEntityModelBuilder entityModelBuilder = modelBuilder as IEntityModelBuilder;
IDataModelExtension modelExtension = modelBuilder as IDataModelExtension;
if (modelExtension != null)
{
Log.Info($"Using Data Model Extension Type '{modelBuilderType.FullName}'");
SiteConfiguration.ModelServiceProvider?.AddDataModelExtension(modelExtension);
}
if ((pageModelBuilder == null) && (entityModelBuilder == null))
{
Log.Warn($"Configured Model Builder Type '{modelBuilderType.FullName}' does not implement IPageModelBuilder nor IEntityModelBuilder; skipping.");
continue;
}
if (pageModelBuilder != null)
{
Log.Info($"Using Page Model Builder Type '{modelBuilderType.FullName}'");
pageModelBuilders.Add(pageModelBuilder);
}
if (entityModelBuilder != null)
{
Log.Info($"Using Entity Model Builder Type '{modelBuilderType.FullName}'");
entityModelBuilders.Add(entityModelBuilder);
}
}
}
}
catch (Exception ex)
{
// Throwing exceptions from a class constructor results in rather cryptic error messages, so we handle the exception here.
Log.Error(ex);
Log.Warn("An error occurred while initializing the Model Builder Pipeline. Using the Default Model Builder only.");
pageModelBuilders.Clear();
entityModelBuilders.Clear();
}
// Ensure there is always at least one Page/Entity Model Buidler.
if (!pageModelBuilders.Any() || !entityModelBuilders.Any())
{
DefaultModelBuilder defaultModelBuilder = new DefaultModelBuilder();
if (!pageModelBuilders.Any())
{
Log.Warn($"No Page Model Builders configured; using '{defaultModelBuilder.GetType().FullName}' only.");
pageModelBuilders.Add(defaultModelBuilder);
}
if (!entityModelBuilders.Any())
{
Log.Warn($"No Entity Model Builders configured; using '{defaultModelBuilder.GetType().FullName}' only.");
entityModelBuilders.Add(defaultModelBuilder);
}
}
_pageModelBuilders = pageModelBuilders;
_entityModelBuilders = entityModelBuilders;
}
}