private MutableMetric NewImpl(Metric.Type metricType)
{
Type resType = method.ReturnType;
switch (metricType)
{
case Metric.Type.Counter:
{
return(NewCounter(resType));
}
case Metric.Type.Gauge:
{
return(NewGauge(resType));
}
case Metric.Type.Default:
{
return(resType == typeof(string) ? NewTag(resType) : NewGauge(resType));
}
case Metric.Type.Tag:
{
return(NewTag(resType));
}
default:
{
Contracts.CheckArg(metricType, false, "unsupported metric type");
return(null);
}
}
}
internal MethodMetric(object obj, MethodInfo method, MetricsInfo info, Metric.Type
type)
{
this.obj = Preconditions.CheckNotNull(obj, "object");
this.method = Contracts.CheckArg(method, Runtime.GetParameterTypes(method
).Length == 0, "Metric method should have no arguments");
this.info = Preconditions.CheckNotNull(info, "info");
impl = NewImpl(Preconditions.CheckNotNull(type, "metric type"));
}
