void HDF5DataStore::createMetaDataDataset()
{
    hid_t md_filespace = H5Screate(H5S_SCALAR);
    md_dset_id = H5Dcreate(file_id,"MetaData",H5T_NATIVE_FLOAT, md_filespace, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
    H5Sclose(md_filespace);
}

void HDF5DataStore::setProperty(const char * name, const char * val)
{
    H5LTset_attribute_string(file_id, "MetaData", name, val);
}

void HDF5DataStore::writeMetaDataDataset()
{
    hid_t md_filespace = H5Dget_space(md_dset_id);
    hid_t md_memspace = H5Screate(H5S_SCALAR);
    float val(0);
    /*
     * Create property list for collective dataset write.
     */
    hid_t md_plist_id = H5Pcreate(H5P_DATASET_XFER);
    H5Pset_dxpl_mpio(md_plist_id, H5FD_MPIO_INDEPENDENT);

    status = H5Dwrite(md_dset_id, H5T_NATIVE_FLOAT, md_memspace, md_filespace, md_plist_id, &(val));
    H5Sclose(md_filespace);
    H5Sclose(md_memspace);
    H5Pclose(md_plist_id);
}

void HDF5DataStore::closeMetaDataDataset()
{
    H5Dclose(md_dset_id);
}