/// <summary>
/// Create a default <see cref="UnityContainer"/>.
/// </summary>
public UnityContainer(ModeFlags mode = ModeFlags.Optimized)
{
if (!mode.IsValid())
{
throw new ArgumentException("'Activated' and 'Diagnostic' flags are mutually exclusive.");
}
/////////////////////////////////////////////////////////////
// Initialize Root
_root = this;
ExecutionMode = mode;
LifetimeContainer = new LifetimeContainer(this);
Register = AddOrReplace;
//Built-In Registrations
// Defaults
Defaults = new DefaultPolicies(this);
// IUnityContainer, IUnityContainerAsync
var container = new ExplicitRegistration(this, null, typeof(UnityContainer), new ContainerLifetimeManager())
{
Pipeline = (ref PipelineContext c) => c.Container
};
Debug.Assert(null != container.LifetimeManager);
// Create Registries
_metadata = new Metadata();
_registry = new Registry(Defaults);
_registry.Set(typeof(IUnityContainer), null, container); // TODO: Remove redundancy
_registry.Set(typeof(IUnityContainerAsync), null, container);
_registry.Set(typeof(IUnityContainer), null, container.LifetimeManager.Pipeline);
_registry.Set(typeof(IUnityContainerAsync), null, container.LifetimeManager.Pipeline);
/////////////////////////////////////////////////////////////
// Built-In Features
var func = new PolicySet(this);
_registry.Set(typeof(Func <>), func);
func.Set(typeof(LifetimeManager), new PerResolveLifetimeManager());
func.Set(typeof(TypeFactoryDelegate), FuncResolver.Factory); // Func<> Factory
_registry.Set(typeof(Lazy <>), new PolicySet(this, typeof(TypeFactoryDelegate), LazyResolver.Factory)); // Lazy<>
_registry.Set(typeof(IEnumerable <>), new PolicySet(this, typeof(TypeFactoryDelegate), EnumerableResolver.Factory)); // Enumerable
_registry.Set(typeof(IRegex <>), new PolicySet(this, typeof(TypeFactoryDelegate), RegExResolver.Factory)); // Regular Expression Enumerable
/////////////////////////////////////////////////////////////
// Pipelines
var typeFactory = new TypeFactoryPipeline();
var lifetime = new LifetimePipeline();
// Mode of operation
if (ExecutionMode.IsDiagnostic())
{
/////////////////////////////////////////////////////////////
// Setup Diagnostic mode
var diagnostic = new DiagnosticPipeline();
// Create Context
Context = new ContainerContext(this,
new StagedStrategyChain <Pipeline, Stage> // Type Build Pipeline
{
{ diagnostic, Stage.Diagnostic },
{ typeFactory, Stage.Factory },
{ new MappingDiagnostic(), Stage.TypeMapping },
{ new ConstructorDiagnostic(this), Stage.Creation },
{ new FieldDiagnostic(this), Stage.Fields },
{ new PropertyDiagnostic(this), Stage.Properties },
{ new MethodDiagnostic(this), Stage.Methods }
},
new StagedStrategyChain <Pipeline, Stage> // Factory Resolve Pipeline
{
{ diagnostic, Stage.Diagnostic },
{ new FactoryPipeline(), Stage.Factory }
},
new StagedStrategyChain <Pipeline, Stage> // Instance Resolve Pipeline
{
{ diagnostic, Stage.Diagnostic },
{ typeFactory, Stage.Factory }
});
// Build process
DependencyResolvePipeline = ValidatingDependencyResolvePipeline;
// Validators
ValidateType = DiagnosticValidateType;
ValidateTypes = DiagnosticValidateTypes;
CreateErrorMessage = CreateDiagnosticMessage;
}
else
{
// Create Context
Context = new ContainerContext(this,
new StagedStrategyChain <Pipeline, Stage> // Type Build Pipeline
{
{ lifetime, Stage.Lifetime },
{ typeFactory, Stage.Factory },
{ new MappingPipeline(), Stage.TypeMapping },
{ new ConstructorPipeline(this), Stage.Creation },
{ new FieldPipeline(this), Stage.Fields },
{ new PropertyPipeline(this), Stage.Properties },
{ new MethodPipeline(this), Stage.Methods }
},
new StagedStrategyChain <Pipeline, Stage> // Factory Resolve Pipeline
{
{ lifetime, Stage.Lifetime },
{ new FactoryPipeline(), Stage.Factory }
},
new StagedStrategyChain <Pipeline, Stage> // Instance Resolve Pipeline
{
{ typeFactory, Stage.Factory }
});
}
/////////////////////////////////////////////////////////////
// Build Mode
var build = _root.ExecutionMode.BuildMode();
PipelineFromRegistration = build switch
{
ModeFlags.Activated => PipelineFromRegistrationActivated,
ModeFlags.Compiled => PipelineFromRegistrationCompiled,
_ => (FromRegistration)PipelineFromRegistrationOptimized
};
PipelineFromUnregisteredType = build switch
{
ModeFlags.Activated => PipelineFromUnregisteredTypeActivated,
ModeFlags.Compiled => PipelineFromUnregisteredTypeCompiled,
_ => (FromUnregistered)PipelineFromUnregisteredTypeOptimized
};
PipelineFromOpenGeneric = build switch
{
ModeFlags.Activated => PipelineFromOpenGenericActivated,
ModeFlags.Compiled => PipelineFromOpenGenericCompiled,
_ => (FromOpenGeneric)PipelineFromOpenGenericOptimized
};
}