public static IEnumerable<IDocumentStorage> Build(IDocumentSchema schema, DocumentMapping[] mappings)
{
var code = GenerateDocumentStorageCode(mappings);
var generator = new AssemblyGenerator();
generator.ReferenceAssembly(Assembly.GetExecutingAssembly());
generator.ReferenceAssemblyContainingType<NpgsqlConnection>();
generator.ReferenceAssemblyContainingType<QueryModel>();
generator.ReferenceAssemblyContainingType<DbCommand>();
generator.ReferenceAssemblyContainingType<Component>();
mappings.Select(x => x.DocumentType.Assembly).Distinct().Each(assem => generator.ReferenceAssembly(assem));
var assembly = generator.Generate(code);
return assembly
.GetExportedTypes()
.Where(x => x.IsConcreteTypeOf<IDocumentStorage>())
.Select(x =>
{
var docType =
x.FindInterfaceThatCloses(typeof (IdAssignment<>)).GetGenericArguments().Single();
var mapping = mappings.Single(m => m.DocumentType == docType);
var arguments = mapping.IdStrategy.ToArguments().Select(arg => arg.GetValue(schema)).ToArray();
var ctor = x.GetConstructors().Single();
return ctor.Invoke(arguments).As<IDocumentStorage>();
});
}
public static IDocumentStorage BuildStorageObject(IDocumentSchema schema, DocumentMapping[] mappings, Type storageType)
{
var docType = storageType.DocumentTypeForStorage();
var mapping = mappings.Single(m => m.DocumentType == docType);
return BuildStorageObject(schema, storageType, mapping);
}
public static IEnumerable<IDocumentStorage> Build(IDocumentSchema schema, DocumentMapping[] mappings)
{
// Generate the actual source code
var code = GenerateDocumentStorageCode(mappings);
var generator = new AssemblyGenerator();
// Tell the generator which other assemblies that it should be referencing
// for the compilation
generator.ReferenceAssembly(Assembly.GetExecutingAssembly());
generator.ReferenceAssemblyContainingType<NpgsqlConnection>();
generator.ReferenceAssemblyContainingType<QueryModel>();
generator.ReferenceAssemblyContainingType<DbCommand>();
generator.ReferenceAssemblyContainingType<Component>();
generator.ReferenceAssemblyContainingType<DbDataReader>();
mappings.Select(x => x.DocumentType.Assembly).Distinct().Each(assem => generator.ReferenceAssembly(assem));
// build the new assembly -- this will blow up if there are any
// compilation errors with the list of errors and the actual code
var assembly = generator.Generate(code);
return assembly
.GetExportedTypes()
.Where(x => x.IsConcreteTypeOf<IDocumentStorage>())
.Select(x =>
{
var docType =
x.FindInterfaceThatCloses(typeof (IdAssignment<>)).GetGenericArguments().Single();
var mapping = mappings.Single(m => m.DocumentType == docType);
var arguments = mapping.IdStrategy.ToArguments().Select(arg => arg.GetValue(schema)).ToArray();
var ctor = x.GetConstructors().Single();
return ctor.Invoke(arguments).As<IDocumentStorage>();
});
}
