/// <summary>
/// Builds a new method call message.
/// </summary>
/// <param name="serializer">Serializer adapter used to serialize argument values</param>
/// <param name="remoteServiceName">Unique name of the remote service that should be called</param>
/// <param name="targetMethod">Target method information</param>
/// <param name="args">Array of arguments, which should passed a parameters</param>
/// <returns>The created method call message</returns>
public MethodCallMessage BuildMethodCallMessage(
ISerializerAdapter serializer,
string remoteServiceName,
MethodInfo targetMethod,
object[] args)
{
if (targetMethod == null)
{
throw new ArgumentNullException(nameof(targetMethod));
}
if (serializer == null)
{
throw new ArgumentNullException(nameof(serializer));
}
args ??= new object[0];
var message = new MethodCallMessage()
{
ServiceName = remoteServiceName,
MethodName = targetMethod.Name,
Parameters = BuildMethodParameterInfos(serializer, targetMethod, args).ToArray(),
CallContextSnapshot = CallContext.GetSnapshot()
};
return(message);
}
/// <summary>
/// Unwraps parameter values and parameter types from a deserialized MethodCallMessage.
/// </summary>
/// <param name="callMessage">MethodCallMessage object</param>
/// <param name="parameterValues">Out: Unwrapped parameter values</param>
/// <param name="parameterTypes">Out: Unwrapped parameter types</param>
public static void UnwrapParametersFromDeserializedMethodCallMessage(
this MethodCallMessage callMessage,
out object[] parameterValues,
out Type[] parameterTypes)
{
parameterTypes = new Type[callMessage.Parameters.Length];
parameterValues = new object[callMessage.Parameters.Length];
for (int i = 0; i < callMessage.Parameters.Length; i++)
{
var parameter = callMessage.Parameters[i];
var parameterType = Type.GetType(parameter.ParameterTypeName);
parameterTypes[i] = parameterType;
parameterValues[i] =
parameter.IsValueNull
? null
: parameter.Value is Envelope envelope
? envelope.Value == null
? null
: Convert.ChangeType(envelope.Value, envelope.Type)
: parameter.Value;
}
}
