private T GetCommonMetadata <T>(out bool wasCreated)
where T : new()
{
object val;
if (_metadata.TryGetValue(typeof(T), out val) == false)
{
val = new T();
_metadata[typeof(T)] = val;
wasCreated = true;
}
else
{
wasCreated = false;
}
return((T)val);
}
/// <summary>
/// Get a child metadata instance for the given identifier. This is useful for general
/// classes and structs where an object has a set of discrete named fields or properties.
/// </summary>
public fiGraphMetadataChild Enter(string childIdentifier)
{
fiGraphMetadata metadata;
if (_childrenString.TryGetValue(childIdentifier, out metadata) == false)
{
metadata = new fiGraphMetadata(this, childIdentifier);
_childrenString[childIdentifier] = metadata;
}
return(new fiGraphMetadataChild {
Metadata = metadata
});
}
/// <summary>
/// Get a child metadata instance for the given identifier. This is
/// useful for collections where each item maps to a unique index.
/// </summary>
public fiGraphMetadataChild Enter(int childIdentifier, object context)
{
fiGraphMetadata metadata;
if (_childrenInt.TryGetValue(childIdentifier, out metadata) == false)
{
metadata = new fiGraphMetadata(this, childIdentifier.ToString());
_childrenInt[childIdentifier] = metadata;
}
metadata.Context = context;
return(new fiGraphMetadataChild {
Metadata = metadata
});
}
