/// <summary>
/// Initializes a new instance of the <see cref="CorrelationContextBuilder"/> struct using some context.
/// </summary>
/// <param name="context">Initial context.</param>
public CorrelationContextBuilder(CorrelationContext context)
{
if (DistributedContext.Carrier is NoopDistributedContextCarrier)
{
this.entries = null;
return;
}
this.entries = new List <CorrelationContextEntry>(context.Entries);
}
/// <summary>
/// Build a Correlation Context from current builder.
/// </summary>
/// <returns><see cref="CorrelationContext"/> instance.</returns>
public CorrelationContext Build()
{
if (DistributedContext.Carrier is NoopDistributedContextCarrier || this.entries == null)
{
return(CorrelationContext.Empty);
}
var context = new CorrelationContext(this.entries);
this.entries = null; // empty current builder entries.
return(context);
}
/// <summary>
/// Initializes a new instance of the <see cref="DistributedContext"/> struct.
/// </summary>
/// <param name="correlationContext">The correlation context.</param>
internal DistributedContext(CorrelationContext correlationContext)
{
this.correlationContext = correlationContext;
}
