/// <inheritdoc />
public Task <ITag> ResolveTagAsync(TagIdentifier tagId)
{
ITag tag;
_tags.TryGetValue(tagId, out tag);
return(Task.FromResult(tag));
}
/// <summary>
/// Returns the tag identified or null if it is not found.
/// </summary>
/// <param name="server">The data server to search for the tag.</param>
/// <param name="tagId">The tag identifier to look for.</param>
/// <returns>The tag or null if it was not found.</returns>
public static Task <ITag> ResolveTagAsync(this DataServer server, TagIdentifier tagId)
{
return(server.Sources[tagId.Source].ResolveTagAsync(tagId));
}
/// <summary>
/// Adds a field to the data table given a tag identifier and a server to search the tag in.
/// </summary>
/// <param name="table">The data to which to add a field.</param>
/// <param name="server">The data server to search for the tag.</param>
/// <param name="tagId">The tag to add as a field.</param>
/// <returns>The added field.</returns>
public static async Task <DataField> AddFieldAsync(this DataTable table, DataServer server, TagIdentifier tagId)
{
return(table.AddField(await server.ResolveTagAsync(tagId)));
}