/// <summary>
/// Get the shape value of the attribute
/// </summary>
/// <param name="attrName">The name of the attribute</param>
/// <param name="status">The status</param>
/// <returns>The shape</returns>
public Int64[] GetAttrShape(String attrName, Status status = null)
{
using (StatusChecker checker = new StatusChecker(status))
{
AttrMetadata meta = GetAttrMetadata(attrName, status);
if (meta.Type != AttrType.Shape)
{
throw new ArgumentException(String.Format("Attribute {0} ({1}) is not a shape", attrName, meta.Type));
}
if (meta.TotalSize == 0)
{
return(null);
}
Int64[] shape = new Int64[meta.IsList? meta.ListSize : meta.TotalSize];
GCHandle handle = GCHandle.Alloc(shape, GCHandleType.Pinned);
try
{
TfInvoke.tfeOperationGetAttrShape(_ptr, attrName, handle.AddrOfPinnedObject(), shape.Length,
checker.Status);
}
finally
{
handle.Free();
}
return(shape);
}
}
/// <summary>
/// Get the metadata of the attribute
/// </summary>
/// <param name="attrName">The name of the attribute</param>
/// <param name="status">The status</param>
/// <returns>The attribute meta data</returns>
public AttrMetadata GetAttrMetadata(String attrName, Status status = null)
{
using (StatusChecker checker = new StatusChecker(status))
{
AttrMetadata meta = new AttrMetadata();
TfInvoke.tfeOperationGetAttrMetadata(_ptr, attrName, ref meta, checker.Status);
return(meta);
}
}
/// <summary>
/// Get the attribute type
/// </summary>
/// <param name="attrName">The name of the attribute</param>
/// <param name="status">The status</param>
/// <returns>The type of the attribute</returns>
public DataType GetAttrType(String attrName, Status status = null)
{
using (StatusChecker checker = new StatusChecker(status))
{
AttrMetadata meta = GetAttrMetadata(attrName, status);
if (meta.Type != AttrType.Type)
{
throw new ArgumentException(String.Format("Attribute {0} ({1}) is not a type", attrName, meta.Type));
}
return(TfInvoke.tfeOperationGetAttrType(_ptr, attrName, checker.Status));
}
}
/// <summary>
/// Get the value of the attribute that is a Tensor
/// </summary>
/// <param name="attrName">The name of the attribute</param>
/// <param name="status">The status</param>
/// <returns>The Tensor value of the attribute</returns>
public Tensor GetAttrTensor(String attrName, Status status = null)
{
using (StatusChecker checker = new StatusChecker(status))
{
AttrMetadata meta = GetAttrMetadata(attrName, status);
if (meta.Type != AttrType.Tensor)
{
throw new ArgumentException(String.Format("Attribute {0} ({1}) is not a Tensor", attrName, meta.Type));
}
IntPtr tensorPtr = TfInvoke.tfeOperationGetAttrTensor(_ptr, attrName, checker.Status);
return(new Tensor(tensorPtr));
}
}
/// <summary>
/// Get the tensor shape proto value of the attribute
/// </summary>
/// <param name="attrName">The name of the attribute</param>
/// <param name="status">The status</param>
/// <returns>The buffer that contains the TensorShapeProto </returns>
public Buffer GetAttrTensorShapeProto(String attrName, Status status = null)
{
using (StatusChecker checker = new StatusChecker(status))
{
AttrMetadata meta = GetAttrMetadata(attrName, status);
if (meta.Type != AttrType.Shape)
{
throw new ArgumentException(String.Format("Attribute {0} ({1}) is not a shape", attrName, meta.Type));
}
Buffer buffer = new Buffer();
TfInvoke.tfeOperationGetAttrTensorShapeProto(_ptr, attrName, buffer, checker.Status);
return(buffer);
}
}
/// <summary>
/// Get the value of the attribute that is a String
/// </summary>
/// <param name="attrName">The name of the attribute</param>
/// <param name="status">The status</param>
/// <returns>The string value of the attribute</returns>
public String GetAttrString(String attrName, Status status = null)
{
using (StatusChecker checker = new StatusChecker(status))
{
AttrMetadata meta = GetAttrMetadata(attrName, status);
if (meta.Type != AttrType.String)
{
throw new ArgumentException(String.Format("Attribute {0} ({1}) is not a String", attrName, meta.Type));
}
IntPtr s = Marshal.AllocHGlobal((int)meta.TotalSize);
try
{
TfInvoke.tfeOperationGetAttrString(_ptr, attrName, s, (int)meta.TotalSize, checker.Status);
return(Marshal.PtrToStringAnsi(s));
}
finally
{
Marshal.FreeHGlobal(s);
}
}
}
/// <summary>
/// Get the value of the attribute that is a list of Int64
/// </summary>
/// <param name="attrName">The name of the attribute</param>
/// <param name="status">The status</param>
/// <returns>A list ofInt64</returns>
public Int64[] GetAttrIntList(String attrName, Status status = null)
{
using (StatusChecker checker = new StatusChecker(status))
{
AttrMetadata meta = GetAttrMetadata(attrName, status);
if (!((meta.Type == AttrType.Int) && meta.IsList))
{
throw new ArgumentException(String.Format("Attribute {0} ({1}) is not a List of Int", attrName, meta.Type));
}
Int64[] list = new Int64[meta.ListSize];
GCHandle handle = GCHandle.Alloc(list, GCHandleType.Pinned);
try
{
TfInvoke.tfeOperationGetAttrIntList(_ptr, attrName, handle.AddrOfPinnedObject(), list.Length, checker.Status);
}
finally
{
handle.Free();
}
return(list);
}
}
internal static extern void tfeOperationGetAttrMetadata(
IntPtr oper,
[MarshalAs(TfInvoke.StringMarshalType)]
String attrName,
ref AttrMetadata meta,
IntPtr status);