protected H5Type GetDType()
{
if (!(ID > 0))
{
throw new InvalidOperationException("operation on closed dataset");
}
return(H5Type.FromDataset(ID));
}
/// <summary>
/// Load an existing dataset by `dset_id`.
/// </summary>
/// <remarks>
/// Creates and returns an `H5DataSet` of the appropriate `space` and `dtype`.
/// Throws `H5LibraryException` if `dset_id` is invalid.
/// </remarks>
internal static H5DataSet FromID(hid_t dset_id)
{
using (H5Space space = H5Space.FromDataset(dset_id)) {
using (H5Type dtype = H5Type.FromDataset(dset_id)) {
if (space.Rank == 1)
{
if (dtype.PrimitiveType == typeof(System.Double))
{
return(new dset1d <double>(dset_id));
}
if (dtype.PrimitiveType == typeof(System.Single))
{
return(new dset1d <float>(dset_id));
}
if (dtype.PrimitiveType == typeof(System.Byte))
{
return(new dset1d <byte>(dset_id));
}
if (dtype.PrimitiveType == typeof(System.Int64))
{
return(new dset1d <long>(dset_id));
}
if (dtype.PrimitiveType == typeof(System.Int32))
{
return(new dset1d <int>(dset_id));
}
if (dtype.PrimitiveType == typeof(System.String))
{
return(new string1d(dset_id));
}
}
if (space.Rank == 2)
{
if (dtype.PrimitiveType == typeof(System.Double))
{
return(new dset2d <double>(dset_id));
}
if (dtype.PrimitiveType == typeof(System.Single))
{
return(new dset2d <float>(dset_id));
}
if (dtype.PrimitiveType == typeof(System.Byte))
{
return(new dset2d <byte>(dset_id));
}
if (dtype.PrimitiveType == typeof(System.Int64))
{
return(new dset2d <long>(dset_id));
}
if (dtype.PrimitiveType == typeof(System.Int32))
{
return(new dset2d <int>(dset_id));
}
if (dtype.PrimitiveType == typeof(System.String))
{
return(new string2d(dset_id));
}
}
if (space.Rank == 3)
{
if (dtype.PrimitiveType == typeof(System.Double))
{
return(new dset3d <double>(dset_id));
}
if (dtype.PrimitiveType == typeof(System.Single))
{
return(new dset3d <float>(dset_id));
}
if (dtype.PrimitiveType == typeof(System.Byte))
{
return(new dset3d <byte>(dset_id));
}
if (dtype.PrimitiveType == typeof(System.Int64))
{
return(new dset3d <long>(dset_id));
}
if (dtype.PrimitiveType == typeof(System.Int32))
{
return(new dset3d <int>(dset_id));
}
}
throw new NotImplementedException($"dataset<{dtype.PrimitiveType}> of rank ({space.Rank})");
}
}
}
