internal void Internalize(IMetricDefinition metricDefinition)
{
lock (Lock)
{
Monitor.MetricDefinition internaldefinition = metricDefinition.WrappedDefinition;
m_Externalized[internaldefinition] = metricDefinition;
}
}
/// <summary>
/// Add an existing IMetricDefinition item to this collection.
/// </summary>
/// <remarks>If the supplied MetricDefinitin item is already in the collection, an exception will be thrown.</remarks>
/// <param name="item">The new IMetricDefinition item to add.</param>
/// <exception cref="ArgumentNullException">The provided item was null</exception>
public void Add(IMetricDefinition item)
{
//we really don't want to support this method, but we have to for ICollection<T> compatibility. So we're going to ruthlessly
//verify that the metric object was created correctly.
if (item == null)
{
throw new ArgumentNullException(nameof(item));
}
lock (Lock)
{
// Set up our mapping of internal to API definition objects for the one we're about to add...
Monitor.MetricDefinition internalDefinition = item.WrappedDefinition;
m_Externalized[internalDefinition] = item;
m_WrappedCollection.Add(internalDefinition); // ...Then add it to the internal collection.
}
//and fire our event, outside the lock
// Note: This is not done by subscribing to the event from the internal collection, which happens inside the lock!
OnCollectionChanged(new Monitor.CollectionChangedEventArgs <MetricDefinitionCollection, IMetricDefinition>(this, item, Monitor.CollectionAction.Added));
}
