/// <summary>
/// Deserializes a meta-collection from the given stream.
/// </summary>
public static MetaCollection Deserialize(Stream stream, ArrayProfile profile)
{
var version = stream.ReadByte();
if (version != 1)
{
throw new Exception(string.Format("Cannot deserialize meta-data collection: Invalid version #: {0}, upgrade Itinero.", version));
}
var byteHeader = stream.ReadByte();
var type = MetaCollection.GetTypeForHeader(byteHeader);
var bytes = new byte[8];
stream.Read(bytes, 0, 8);
var length = BitConverter.ToInt64(bytes, 0);
if (type == typeof(int))
{
return(new MetaCollection <int>(MetaCollection.DeserializeArray <int>(
stream, profile, length, 4)));
}
if (type == typeof(uint))
{
return(new MetaCollection <uint>(MetaCollection.DeserializeArray <uint>(
stream, profile, length, 4)));
}
if (type == typeof(long))
{
return(new MetaCollection <long>(MetaCollection.DeserializeArray <long>(
stream, profile, length, 8)));
}
if (type == typeof(ulong))
{
return(new MetaCollection <ulong>(MetaCollection.DeserializeArray <ulong>(
stream, profile, length, 8)));
}
if (type == typeof(float))
{
return(new MetaCollection <float>(MetaCollection.DeserializeArray <float>(
stream, profile, length, 4)));
}
if (type == typeof(double))
{
return(new MetaCollection <double>(MetaCollection.DeserializeArray <double>(
stream, profile, length, 8)));
}
throw new Exception(string.Format(
"Meta collection not supported for type {0}: MetaCollection can only handle integer types or float and double.",
type));
}
/// <summary> /// Copies an element from the other collection to this one. Collections must have the same type. /// </summary> public abstract void CopyFrom(MetaCollection other, uint idx, uint otherIdx);