/// <summary>
/// Add target to calltable
/// </summary>
/// <param name="target"></param>
private void AddToCallTable(object target)
{
var versions = target.GetType().GetCustomAttributes <VersionAttribute>(true)
.Select(v => v.Numeric)
.ToList();
if (versions.Count == 0)
{
versions.Add(ulong.MaxValue);
}
foreach (var version in versions)
{
var apply = target.GetType().GetMethod("ApplyAsync");
if (apply != null)
{
if (apply.GetParameters().Length != 0 || apply.ReturnType != typeof(Task))
{
apply = null;
}
}
var controller = new Controller(target, version, apply, _logger);
foreach (var propInfo in target.GetType().GetProperties())
{
if (!propInfo.CanWrite || propInfo.GetIndexParameters().Length > 1)
{
// must be able to write
continue;
}
var name = propInfo.Name.ToLowerInvariant();
var indexers = propInfo.GetIndexParameters();
var indexed = false;
if (indexers.Length == 1 && indexers[0].ParameterType == typeof(string))
{
// save .net indexer as default
if (name == "item")
{
name = kDefaultProp;
}
indexed = true;
}
else if (indexers.Length != 0)
{
// Unusable
continue;
}
if (!_calltable.TryGetValue(name, out var invoker))
{
invoker = new CascadingInvoker(_logger);
_calltable.Add(name, invoker);
}
invoker.Add(controller, propInfo, indexed);
}
}
}
/// <summary>
/// Get cached invoker
/// </summary>
/// <param name="key"></param>
/// <param name="invoker"></param>
/// <returns></returns>
private bool TryGetInvoker(string key, out CascadingInvoker invoker)
{
return(_calltable.TryGetValue(key.ToLowerInvariant(), out invoker) ||
_calltable.TryGetValue(kDefaultProp, out invoker));
}
/// <summary> /// Get cached invoker /// </summary> /// <param name="key"></param> /// <param name="invoker"></param> /// <returns></returns> private bool GetInvoker(string key, out CascadingInvoker invoker) => !_calltable.TryGetValue(key, out invoker) && !_calltable.TryGetValue(kDefaultProp, out invoker);
/// <summary>
/// Add invoker found on controller
/// </summary>
/// <param name="invoker"></param>
internal void Add(CascadingInvoker invoker)
{
_attachedTo.Add(invoker);
}
