/// <inheritdoc/>
public override byte[] ToByteArray(DistributedContext context)
{
if (context.CorrelationContext.Entries is null)
{
OpenTelemetrySdkEventSource.Log.FailedToInjectContext("entries are null");
}
return(EmptyByteArray);
}
public override byte[] ToByteArray(DistributedContext tags)
{
if (tags.Entries is null)
{
throw new ArgumentNullException(nameof(tags));
}
return(EmptyByteArray);
}
/// <summary>
/// Initializes a new instance of the <see cref="DistributedContextBuilder"/> struct using some context.
/// </summary>
/// <param name="context">Initial context.</param>
public DistributedContextBuilder(DistributedContext context)
{
if (DistributedContext.Carrier is NoopDistributedContextCarrier)
{
this.entries = null;
return;
}
this.entries = new List <DistributedContextEntry>(context.Entries);
}
/// <summary>
/// Build a Distributed Context from current builder.
/// </summary>
/// <returns><see cref="DistributedContext"/> instance.</returns>
public DistributedContext Build()
{
if (DistributedContext.Carrier is NoopDistributedContextCarrier || this.entries == null)
{
return(DistributedContext.Empty);
}
var context = new DistributedContext(this.entries);
this.entries = null; // empty current builder entries.
return(context);
}
