public bool Equals(IMedia x, IMedia y)
{
// If the items are both null, or if one or the other is null, return
// the correct response right away.
if (x == null && y == null)
{
return(true);
}
else if (x == null || y == null)
{
return(false);
}
else if (x.Type != y.Type) // Not the same type of resource
{
return(false);
}
switch (x.Type)
{
case MediaType.Image: {
var comparer = new ImageComparer();
return(comparer.Equals((Image)x, (Image)y));
}
case MediaType.Video: {
var comparer = new VideoComparer();
return(comparer.Equals((Video)x, (Video)y));
}
default:
throw new System.Exception("Unknown MediaType");
}
}
public int GetHashCode(IMedia obj)
{
switch (obj.Type)
{
case MediaType.Image: {
var comparer = new ImageComparer();
return(comparer.GetHashCode((Image)obj));
}
case MediaType.Video: {
var comparer = new VideoComparer();
return(comparer.GetHashCode((Video)obj));
}
default:
throw new System.Exception("Unknown MediaType");
}
}