Method IteratorHandleOp

tensorflow/core/kernels/data/iterator_ops.cc:267–272

Note that IteratorHandleOp holds a reference to the resource it creates. If cleaning up resources with DestroyResourceOp is important, consider creating resource containers with AnonymousIteratorHandleOp instead.

// cleaning up resources with DestroyResourceOp is important, consider creating
// resource containers with AnonymousIteratorHandleOp instead.
IteratorHandleOp::IteratorHandleOp(OpKernelConstruction* ctx)
    : OpKernel(ctx), graph_def_version_(ctx->graph_def_version()) {
  OP_REQUIRES_OK(ctx, ctx->GetAttr(kOutputTypes, &output_dtypes_));
  OP_REQUIRES_OK(ctx, ctx->GetAttr(kOutputShapes, &output_shapes_));
  OP_REQUIRES_OK(ctx, ctx->GetAttr("shared_name", &name_));
}

// The resource is deleted from the resource manager only when it is private
// to kernel. Ideally the resource should be deleted when it is no longer held