#pragma warning disable CS1998 // Async method lacks 'await' operators and will run synchronously
/// <inheritdoc/>
public override async ValueTask <IIxInstanceLock> GetInstance(
IIxInstance parentInstance,
IxIdentifier identifier,
IxHost.IxResolveContext context,
[CanBeNull] IxResolveFrame frame)
{
if (parentInstance == null)
{
throw new ArgumentNullException(nameof(parentInstance));
}
lock (Host.InstanceTreeSyncRoot)
{
IIxInstanceLock scopeLock;
IxScopeInstance singleton;
object data = parentInstance.GetData(this);
if (data == null)
{
singleton = new IxScopeInstance(this, parentInstance, out scopeLock);
parentInstance.SetData(this, singleton);
}
else
{
singleton = (IxScopeInstance)data;
scopeLock = new IxInstancePinLock(singleton);
}
return(scopeLock);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="IxInstance"/> class.
/// </summary>
/// <remarks>
/// Instance creates in the "Half-instantiated state".
/// </remarks>
/// <param name="providerNode">Node that produces instance.</param>
/// <param name="parentInstance">Direct parent instance.</param>
/// <param name="creatorTempLock">First temp lock for the creator of a new instance.</param>
public IxInstance(
IxProviderNode providerNode,
[CanBeNull] IIxInstance parentInstance,
out IIxInstanceLock creatorTempLock)
: base(providerNode.Host.InstanceTreeSyncRoot)
{
ProviderNode = providerNode;
_parentInstance = parentInstance;
_ownedLocks = new ProcessableSet <IIxInstanceLock>();
_locks = new ProcessableSet <IIxInstanceLock>();
_childrenDisposeCompleted = new AwaitableEvent();
if (parentInstance != null)
{
new IxInstanceChildLock(parentInstance, this);
}
creatorTempLock = new IxInstancePinLock(this);
_initTempLock = creatorTempLock;
}