Hi Laurent,
Unfortunately, we haven't finished implementing all the various time
features for the object info. Only the 'ctime' is set correctly and the rest
will stay at 0 (until the feature is implemented).
Quincey
On Jun 25, 2012, at 6:23 AM, Laurent Dionisi wrote:
> Hi,
>
> I tried to use the H5Pset_obj_track_times functionality but when I want to
> get back the information, only change time (ctime) is filled in the
> H5O_info_t. The modification date is never set.
> Does anyone have an experience on this feature?
>
> I’m using HDF5 1.8.7.
>
> Here is one example (C++) of my trial:
>
> H5::H5File file("c:\\TEMP\\test.hdf5");
>
> hsize_t dim = 2;
> H5::DataSpace dataspace(1, &dim);
>
> H5::DSetCreatPropList plist;
> H5Pset_obj_track_times(plist.getId(), true);
> H5::DataSet dataset1 = file.createDataSet("ds1",
> H5::PredType::NATIVE_CHAR, dataspace, plist );
>
> H5O_info_t object_info;
> H5Oget_info(dataset1.getId(), &object_info); // btime, atime and mtime = 0
>
> int new_value[] = {99, -13};
> dataset1.write(new_value, H5::PredType::NATIVE_INT);
> H5O_info_t object_info2;
> H5Oget_info(dataset1.getId(), &object_info2);
>
> dataset1.createAttribute("a1", H5::PredType::NATIVE_INT, dataspace);
> H5O_info_t object_info4;
> H5Oget_info(dataset1.getId(), &object_info4); // only ctime updated,
> others = 0
>
> Thanks,
> Laurent
>
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