/// <summary>
/// Creates a schema definition.
/// </summary>
/// <param name="type">The type.</param>
/// <returns>
/// New instance of schema definition.
/// </returns>
/// <exception cref="System.ArgumentNullException">Thrown when <paramref name="type"/> parameter is null.</exception>
internal TypeSchema BuildSchema(Type type)
{
if (type == null)
{
return(new NullSchema());
}
AvroContractResolver resolver = this.settings.Resolver;
this.knownTypes.UnionWith(resolver.GetKnownTypes(type) ?? new List <Type>());
return(this.CreateSchema(false, type, new Dictionary <string, NamedSchema>(), 0));
}
private NamedEntityAttributes GetNamedEntityAttributesFrom(Type type)
{
AvroContractResolver resolver = this.settings.Resolver;
TypeSerializationInfo typeInfo = resolver.ResolveType(type);
var name = new SchemaName(typeInfo.Name, typeInfo.Namespace);
var aliases = typeInfo
.Aliases
.Select(alias => string.IsNullOrEmpty(name.Namespace) || alias.Contains(".") ? alias : name.Namespace + "." + alias)
.ToList();
return(new NamedEntityAttributes(name, aliases, typeInfo.Doc));
}
/// <summary>
/// Generates the record type schema.
/// </summary>
/// <param name="type">The type.</param>
/// <param name="schemas">The schemas.</param>
/// <param name="currentDepth">The current depth.</param>
/// <returns>
/// Instance of schema.
/// </returns>
private TypeSchema BuildRecordTypeSchema(Type type, Dictionary <string, NamedSchema> schemas, uint currentDepth)
{
if (type == typeof(DateTimeOffset))
{
return(this.settings.UsePosixTime
? (TypeSchema) new LongSchema(type)
: new StringSchema(type));
}
NamedSchema schema;
if (schemas.TryGetValue(type.ToString(), out schema))
{
return(schema);
}
if (type == typeof(Guid))
{
var recordName = new SchemaName(type.GetStrippedFullName());
var attributes = new NamedEntityAttributes(recordName, new List <string>(), string.Empty);
var result = new FixedSchema(attributes, 16, type);
schemas.Add(type.ToString(), result);
return(result);
}
var attr = this.GetNamedEntityAttributesFrom(type);
AvroContractResolver resolver = this.settings.Resolver;
var record = new RecordSchema(
attr,
type);
schemas.Add(type.ToString(), record);
var members = resolver.ResolveMembers(type);
this.AddRecordFields(members, schemas, currentDepth, record);
return(record);
}