public static Subscription ByExample <TMessage>(Expression <Func <Builder, TMessage> > factory) where TMessage : IMessage
{
if (factory.Body.NodeType != ExpressionType.New)
{
throw new ArgumentException();
}
var parameterValues = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
using (CultureScope.Invariant())
{
var newExpression = (NewExpression)factory.Body;
var parameters = newExpression.Constructor.GetParameters();
for (var argumentIndex = 0; argumentIndex < newExpression.Arguments.Count; ++argumentIndex)
{
var argumentExpression = newExpression.Arguments[argumentIndex];
var parameterName = parameters[argumentIndex].Name;
var parameterValue = GetExpressionValue(argumentExpression);
if (parameterValue != null)
{
parameterValues[parameterName] = parameterValue.ToString();
}
}
}
return(new Subscription(MessageUtil.TypeId <TMessage>(), BindingKey.Create(typeof(TMessage), parameterValues)));
}
public void should_set_invariant_culture_and_reset_previous_culture_on_dispose()
{
var currentCulture = Thread.CurrentThread.CurrentCulture;
var currentUICulture = Thread.CurrentThread.CurrentUICulture;
using (CultureScope.Invariant())
{
Thread.CurrentThread.CurrentCulture.ShouldEqual(CultureInfo.InvariantCulture);
Thread.CurrentThread.CurrentUICulture.ShouldEqual(CultureInfo.InvariantCulture);
}
Thread.CurrentThread.CurrentCulture.ShouldEqual(currentCulture);
Thread.CurrentThread.CurrentUICulture.ShouldEqual(currentUICulture);
}
public static Subscription Matching <TMessage>(Expression <Func <TMessage, bool> > predicate) where TMessage : IMessage
{
var fieldValues = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
using (CultureScope.Invariant())
{
var current = predicate.Body;
while (current.NodeType == ExpressionType.And || current.NodeType == ExpressionType.AndAlso)
{
var binaryExpression = (BinaryExpression)current;
AddFieldValue(fieldValues, (BinaryExpression)binaryExpression.Right);
current = binaryExpression.Left;
}
AddFieldValue(fieldValues, (BinaryExpression)current);
}
return(new Subscription(MessageUtil.TypeId <TMessage>(), BindingKey.Create(typeof(TMessage), fieldValues)));
}