public ConditionVisitor(ParameterExpression message, ErrorListener errors, Route route, RouteCompilerFlags routeCompilerFlags)
{
this.message = Preconditions.CheckNotNull(message);
this.errors = Preconditions.CheckNotNull(errors);
this.route = Preconditions.CheckNotNull(route);
this.routeCompilerFlags = routeCompilerFlags;
}
public Func <IMessage, Bool> Compile(Route route, RouteCompilerFlags routeCompilerFlags)
{
var errorListener = new ErrorListener();
IParseTree tree = GetParseTree(route, errorListener);
errorListener.Validate();
ParameterExpression parameter = Expression.Parameter(typeof(IMessage), "message");
var visitor = new ConditionVisitor(parameter, errorListener, route, routeCompilerFlags);
Expression expression = visitor.Visit(tree);
errorListener.Validate();
Func <IMessage, Bool> rule = Expression.Lambda <Func <IMessage, Bool> >(Expression.Convert(expression, typeof(Bool)), parameter).Compile();
return(rule);
}
public override bool IsEnabled(RouteCompilerFlags routeCompilerFlags)
{
return(routeCompilerFlags.HasFlag(RouteCompilerFlags.BodyQuery));
}
public virtual bool IsEnabled(RouteCompilerFlags routeCompilerFlags)
{
return(true);
}
public override bool IsEnabled(RouteCompilerFlags routeCompilerFlags)
{
return(routeCompilerFlags.HasFlag(RouteCompilerFlags.TwinChangeIncludes));
}
public static bool IsFlagEnabled(this RouteCompilerFlags routeCompilerFlags, RouteCompilerFlags flagToCheck)
{
return((routeCompilerFlags & flagToCheck) != 0);
}