/// <summary>
/// Configures the Ncqrs environment.
/// </summary>
/// <param name="source">The source that contains the configuration for the current environment.</param>
public static void Configure(IEnvironmentConfiguration source)
{
Contract.Requires <ArgumentNullException>(source != null, "The source cannot be null.");
Contract.Requires <InvalidOperationException>(!IsConfigured, "Cannot configure the environment when it is already configured.");
Contract.Ensures(_instance == source, "The given source should initialize the _instance member.");
Contract.Ensures(IsConfigured, "The given source should configure this environment.");
_instance = source;
Log.InfoFormat("Ncqrs environment configured with {0} configuration source.", source.GetType().FullName);
}