/// <summary>
/// Creates the channel by calling the ChannelManager.
/// </summary>
/// <returns>The channel with the given name.</returns>
/// <param name="attribute">The attribute describing the channel to create.</param>
/// <typeparam name="T">The type of data in the channel.</typeparam>
protected virtual IChannel <T> DoCreateChannel <T>(ChannelNameAttribute attribute)
{
// Recusively visit the scope create helpers
var cur = this;
while (cur != null)
{
if (!string.IsNullOrWhiteSpace(attribute.Name) && cur.m_namedCreateHelpers.TryGetValue(attribute.Name, out var creator))
{
var res = creator(this, attribute);
if (res != null)
{
return((IChannel <T>)res);
}
}
foreach (var p in cur.m_createOverrides)
{
var res = p(this, attribute);
if (res != null)
{
return((IChannel <T>)res);
}
}
cur = cur.ParentScope;
}
return(ChannelManager.CreateChannelForScope <T>(attribute));
}
/// <summary>
/// Helper method to invoke the default channel instance creator
/// </summary>
/// <returns>The created channel.</returns>
/// <param name="attribute">The attribute describing the channel to create.</param>
protected IChannel <T> BaseCreateChannel <T>(ChannelNameAttribute attribute)
{
if (ParentScope != Root)
{
return(ParentScope.GetOrCreate <T>(attribute));
}
return(ChannelManager.CreateChannelForScope <T>(attribute));
}
/// <summary>
/// Creates the channel by calling the ChannelManager.
/// </summary>
/// <returns>The channel with the given name.</returns>
/// <param name="attribute">The attribute describing the channel to create.</param>
/// <typeparam name="T">The type of data in the channel.</typeparam>
protected virtual IChannel <T> DoCreateChannel <T>(ChannelNameAttribute attribute)
{
var cur = this;
while (cur != null && cur != Root)
{
var res = cur.TryCreateChannel <T>(attribute);
if (res != null)
{
return(res);
}
cur = cur.ParentScope;
}
return(ChannelManager.CreateChannelForScope <T>(attribute));
}
/// <summary>
/// Returns the default channel type
/// </summary>
/// <returns>The created channel.</returns>
/// <param name="attribute">The channel attribute.</param>
/// <typeparam name="T">The channel type parameter.</typeparam>
protected override IChannel <T> TryCreateChannel <T>(ChannelNameAttribute attribute)
{
return(ChannelManager.CreateChannelForScope <T>(attribute));
}
/// <summary>
/// Creates the channel by calling the ChannelManager.
/// </summary>
/// <returns>The channel with the given name.</returns>
/// <param name="attribute">The attribute describing the channel to create.</param>
/// <typeparam name="T">The type of data in the channel.</typeparam>
protected virtual IChannel <T> DoCreateChannel <T>(ChannelNameAttribute attribute)
{
return(ChannelManager.CreateChannelForScope <T>(attribute));
}
