private void UseFactory(IMetricFactory factory)
{
for (int i = 0; i < factory.Count; i++)
{
// this copy is important as the lambda function below
// would capture i, which equals factory.Count at the end of the loop.
// Therefore the lambda would always try to create factory item #factory.Count
// which does not exist.
// Don't remove the index variable.
int index = i;
var info = factory.GetMetricInfo(index);
var metricInfo = new MetricInfo(
info.Name,
info.Category,
info.UniqueName,
factory.Id,
g => factory.CreateInstance(index, g),
(g, x) => factory.CreateInstance(index, g, x)
);
_metrics.Add(metricInfo);
MetricAdded?.Invoke(this, new MetricAddedEventArgs(metricInfo));
}
}
/// <summary>
/// Add the type information of a metric to the metric collection.
/// This allows the editor to instantiate it.
/// </summary>
/// <param name="type">type of the metric</param>
/// <returns>true if the type is compatible (has a metric attribute and is instantiable)</returns>
public bool TryRegisterMetric(Type type)
{
MetricAttribute metricAttrib = null;
try {
metricAttrib = (MetricAttribute)type.GetCustomAttribute(typeof(MetricAttribute));
} catch (Exception) {
return(false);
}
if (metricAttrib == null)
{
return(false);
}
if (metricAttrib.Instantiable)
{
var metricInfo = new MetricInfo(
metricAttrib.Name,
metricAttrib.Category,
type.FullName,
_genericFactoryGuid,
FactoryForType(type),
FactoryXmlForType(type)
);
_metrics.Add(metricInfo);
MetricAdded?.Invoke(this, new MetricAddedEventArgs(metricInfo));
}
return(true);
}
private void NotifyMetricAdded(
MetricName name,
Metric metric)
{
MetricAdded?.Invoke(this, new MetricsRegistryEventArgs(name, metric));
}
