private InstanceProducer ApplyDecorator(InjectionTargetInfo target, Expression expression,
List <PredicatePair> predicatePairs)
{
var visitor = new ContextualDecoratorExpressionVisitor(target, predicatePairs);
expression = visitor.Visit(expression);
if (!visitor.AllContextualDecoratorsApplied)
{
throw new InvalidOperationException("Couldn't apply the contextual decorator " +
visitor.UnappliedDecorators.Last().ToFriendlyName() + ". Make sure that all " +
"registered decorators that wrap this decorator are transient and don't depend on " +
"Func<" + target.TargetType.ToFriendlyName() + ">.");
}
return(InstanceProducer.FromExpression(target.TargetType, expression, this.container));
}
public Expression BuildExpression(InjectionConsumerInfo consumer)
{
var expression = this.defaultBehavior.BuildExpression(consumer);
List<PredicatePair> predicatePairs;
if (this.MustApplyContextualDecorator(consumer.Target.TargetType, out predicatePairs))
{
var visitor = new ContextualDecoratorExpressionVisitor(consumer.Target, predicatePairs);
expression = visitor.Visit(expression);
if (!visitor.AllContextualDecoratorsApplied)
{
throw new InvalidOperationException("Couldn't apply the contextual decorator " +
visitor.UnappliedDecorators.Last().FullName + ". Make sure that all registered " +
"decorators that wrap this decorator are transient and don't depend on " +
"Func<" + consumer.Target.TargetType.FullName + ">.");
}
}
return expression;
}
public Expression BuildParameterExpression(ParameterInfo parameter)
{
var expression = this.defaultBehavior.BuildParameterExpression(parameter);
List <PredicatePair> predicatePairs;
if (this.MustApplyContextualDecorator(parameter.ParameterType, out predicatePairs))
{
var visitor = new ContextualDecoratorExpressionVisitor(parameter, predicatePairs);
expression = visitor.Visit(expression);
if (!visitor.AllContextualDecoratorsApplied)
{
throw new InvalidOperationException("Couldn't apply the contextual decorator " +
visitor.UnappliedDecorators.Last().FullName + ". Make sure that all registered " +
"decorators that wrap this decorator are transient and don't depend on " +
"Func<" + parameter.ParameterType.FullName + ">.");
}
}
return(expression);
}
