/// <summary>
/// Called during the chain of responsibility for a build operation. Looks for the <see cref="IBuildKeyMappingPolicy"/>
/// and if found maps the build key for the current operation.
/// </summary>
/// <param name="context">The context for the operation.</param>
public override void PreBuildUp(IBuilderContext context)
{
IBuildKeyMappingPolicy policy = context.Policies.Get <IBuildKeyMappingPolicy>(context.BuildKey);
if (policy != null)
{
context.BuildKey = policy.Map(context.BuildKey);
}
}
/// <summary>
/// Evaluates if a specified type was registered in the container.
/// </summary>
/// <param name="container">The container to check if the type was registered in.</param>
/// <param name="type">The type to check if it was registered.</param>
/// <returns><see langword="true" /> if the <paramref name="type"/> was registered with the container.</returns>
/// <remarks>
/// In order to use this extension, you must first call <see cref="UnityExtensions.AddNewExtension{TExtension}"/>
/// and specify <see cref="UnityContainerExtension"/> as the extension type.
/// </remarks>
public static bool IsTypeRegistered(IUnityContainer container, Type type)
{
UnityBootstrapperExtension extension = container.Configure <UnityBootstrapperExtension>();
if (extension == null)
{
//Extension was not added to the container.
return(false);
}
IBuildKeyMappingPolicy policy = extension.Context.Policies.Get <IBuildKeyMappingPolicy>(new NamedTypeBuildKey(type));
return(policy != null);
}
public void RemoveIsDefault(Type serviceType, Type implementationType, string name)
{
NamedTypeBuildKey key = new NamedTypeBuildKey(serviceType);
IBuildKeyMappingPolicy mappingPolicy = Context.Policies.Get <IBuildKeyMappingPolicy>(key);
if (mappingPolicy != null)
{
NamedTypeBuildKey mappedKey = mappingPolicy.Map(key, null);
if (string.Equals(mappedKey.Name, name))
{
Context.Policies.Clear <IBuildKeyMappingPolicy>(key);
}
}
}
/// <summary>
/// Called during the chain of responsibility for a build operation. Looks for the <see cref="IBuildKeyMappingPolicy"/>
/// and if found maps the build key for the current operation.
/// </summary>
/// <param name="context">The context for the operation.</param>
public override object PreBuildUp(IBuilderContext context)
{
IBuildKeyMappingPolicy policy = context.PersistentPolicies.Get <IBuildKeyMappingPolicy>(context.OriginalBuildKey.Type,
context.OriginalBuildKey.Name, out _)
?? (context.OriginalBuildKey.Type.GetTypeInfo().IsGenericType
? context.Policies.Get <IBuildKeyMappingPolicy>(context.OriginalBuildKey.Type.GetGenericTypeDefinition(),
context.OriginalBuildKey.Name, out _)
: null);
if (null == policy)
{
return(null);
}
context.BuildKey = policy.Map(context.BuildKey, context);
return(null);
}
public override object BuildUp(IBuilderContext context,
object buildKey,
object existing)
{
IBuildKeyMappingPolicy policy = context.Policies.Get <IBuildKeyMappingPolicy>(buildKey);
if (policy != null)
{
object newBuildKey = policy.Map(buildKey);
Type originalType;
Type newType;
if (TryGetTypeFromBuildKey(newBuildKey, out newType) &&
TryGetTypeFromBuildKey(buildKey, out originalType) &&
originalType.IsGenericType)
{
buildKey = newType.MakeGenericType(originalType.GetGenericArguments());
}
else
{
buildKey = newType;
}
}
return(base.BuildUp(context, buildKey, existing));
/*
* ITypeMappingPolicy policy = context.Policies.Get<ITypeMappingPolicy>(typeToBuild, idToBuild);
*
* if (policy != null)
* {
* DependencyResolutionLocatorKey resolution = policy.Map(new DependencyResolutionLocatorKey(typeToBuild, idToBuild));
*
* if (resolution.Type.IsGenericType)
* typeToBuild = resolution.Type.MakeGenericType(typeToBuild.GetGenericArguments());
* else
* typeToBuild = resolution.Type;
*
* idToBuild = resolution.ID;
* }
*
* return base.BuildUp(context, typeToBuild, existing, idToBuild);
*/
}
/// <summary>
/// Called during the chain of responsibility for a build operation. Looks for the <see cref="IBuildKeyMappingPolicy"/>
/// and if found maps the build key for the current operation.
/// </summary>
/// <param name="context">The context for the operation.</param>
public override void PreBuildUp(IBuilderContext context)
{
IBuildKeyMappingPolicy policy = (IBuildKeyMappingPolicy)context.PersistentPolicies
.Get(typeof(IBuildKeyMappingPolicy), context.OriginalBuildKey, out _);
if (null == policy)
{
return;
}
var existing = (policy as IDependencyResolverPolicy)?.Resolve(context);
if (existing != null)
{
context.Existing = existing;
context.BuildComplete = true;
return;
}
context.BuildKey = policy.Map(context.BuildKey, context);
}
