public UnionType()
{
UnionTypeDescriptor descriptor = new UnionTypeDescriptor(GetType());
Configure(descriptor);
if (string.IsNullOrEmpty(descriptor.Name))
{
throw new ArgumentException(
"A union type name must not be null or empty.");
}
if (descriptor.Types == null)
{
throw new ArgumentException(
"A union type must have a set of types.");
}
_typesFactory = r => descriptor.Types
.Select(t => t.TypeFactory(r))
.Cast <ObjectType>();
_typeInfos = descriptor.Types;
_typeResolver = descriptor.ResolveAbstractType;
Name = descriptor.Name;
Description = descriptor.Description;
}
protected override UnionTypeDefinition CreateDefinition(
IInitializationContext context)
{
var descriptor = UnionTypeDescriptor.New(
context.DescriptorContext);
_configure(descriptor);
return(descriptor.CreateDefinition());
}
protected override UnionTypeDefinition CreateDefinition(ITypeDiscoveryContext context)
{
var descriptor = UnionTypeDescriptor.New(
context.DescriptorContext,
typeof(T));
_configure(descriptor);
return(descriptor.CreateDefinition());
}
protected override UnionTypeDefinition CreateDefinition(
ITypeDiscoveryContext context)
{
var descriptor = UnionTypeDescriptor.FromSchemaType(
context.DescriptorContext,
GetType());
_configure(descriptor);
return(descriptor.CreateDefinition());
}
private void Initialize(Action <IUnionTypeDescriptor> configure)
{
if (configure == null)
{
throw new ArgumentNullException(nameof(configure));
}
UnionTypeDescriptor descriptor = new UnionTypeDescriptor(GetType());
configure(descriptor);
Initialize(descriptor);
}
private void Initialize(Action <IUnionTypeDescriptor> configure)
{
if (configure == null)
{
throw new ArgumentNullException(nameof(configure));
}
var descriptor = new UnionTypeDescriptor(GetType());
configure(descriptor);
UnionTypeDescription description = descriptor.CreateDescription();
_types = description.Types;
_resolveAbstractType = description.ResolveAbstractType;
Name = description.Name;
Description = description.Description;
}
private void Initialize(UnionTypeDescriptor descriptor)
{
if (descriptor == null)
{
throw new ArgumentNullException(nameof(descriptor));
}
if (string.IsNullOrEmpty(descriptor.Name))
{
throw new ArgumentException(
"A union type name must not be null or empty.");
}
_types = descriptor.Types;
_resolveAbstractType = descriptor.ResolveAbstractType;
Name = descriptor.Name;
Description = descriptor.Description;
}
private void Initialize(Action <IUnionTypeDescriptor> configure)
{
if (configure == null)
{
throw new ArgumentNullException(nameof(configure));
}
var descriptor = new UnionTypeDescriptor(GetType());
configure(descriptor);
UnionTypeDescription description = descriptor.CreateDescription();
_types = description.Types;
_resolveAbstractType = description.ResolveAbstractType;
Initialize(description.Name, description.Description,
new DirectiveCollection(this,
DirectiveLocation.Union,
description.Directives));
}
