//--------------------------------------------------------------------------
// Function: H5Object::getNumAttrs
///\brief Returns the number of attributes attached to this HDF5 object.
///\return Number of attributes
///\exception H5::AttributeIException
// Programmer Binh-Minh Ribler - 2000
//--------------------------------------------------------------------------
int H5Object::getNumAttrs() const
{
H5O_info_t oinfo; /* Object info */
if(H5Oget_info2(getId(), &oinfo, H5O_INFO_NUM_ATTRS) < 0)
throw AttributeIException(inMemFunc("getNumAttrs"), "H5Oget_info failed");
else
return(static_cast<int>(oinfo.num_attrs));
}
/*-------------------------------------------------------------------------
* Function: trav_fileinfo_add
*
* Purpose: Add a file addr & fileno to info struct
*
* Return: void
*-------------------------------------------------------------------------
*/
void
trav_fileinfo_add(trav_info_t *info, hid_t loc_id)
{
H5O_info_t oinfo;
size_t idx = info->nused - 1;
if ( info->paths[idx].path && HDstrcmp(info->paths[idx].path, "."))
H5Oget_info_by_name2(loc_id, info->paths[idx].path, &oinfo, H5O_INFO_BASIC, H5P_DEFAULT);
else
H5Oget_info2(loc_id, &oinfo, H5O_INFO_BASIC);
info->paths[idx].objno = oinfo.addr;
info->paths[idx].fileno = oinfo.fileno;
} /* end trav_fileinfo_add() */
//--------------------------------------------------------------------------
// Function: H5Object::objVersion
///\brief Returns the header version of this HDF5 object.
///\return Object version, which can have the following values:
/// \li \c H5O_VERSION_1
/// \li \c H5O_VERSION_2
///\exception H5::ObjHeaderIException
/// Exception will be thrown when:
/// - an error returned by the C API
/// - version number is not one of the valid values above
// Programmer Binh-Minh Ribler - December, 2016
//--------------------------------------------------------------------------
unsigned H5Object::objVersion() const
{
H5O_info_t objinfo;
unsigned version = 0;
// Use C API to get information of the object
herr_t ret_value = H5Oget_info2(getId(), &objinfo, H5O_INFO_HDR);
// Throw exception if C API returns failure
if (ret_value < 0)
throw Exception(inMemFunc("objVersion"), "H5Oget_info failed");
// Return a valid version or throw an exception for invalid value
else
{
version = objinfo.hdr.version;
if (version != H5O_VERSION_1 && version != H5O_VERSION_2)
throw ObjHeaderIException("objVersion", "Invalid version for object");
}
return(version);
}
/*
* Class: hdf_hdf5lib_H5
* Method: H5Oget_info
* Signature: (JI)Lhdf/hdf5lib/structs/H5O_info_t;
*/
JNIEXPORT jobject JNICALL
Java_hdf_hdf5lib_H5_H5Oget_1info
(JNIEnv *env, jclass clss, jlong loc_id, jint fields)
{
H5O_info_t infobuf;
jobject hdrinfobuf;
jobject ihinfobuf1;
jobject ihinfobuf2;
jvalue args[12];
herr_t status = FAIL;
jobject ret_obj = NULL;
UNUSED(clss);
if ((status = H5Oget_info2((hid_t)loc_id, &infobuf, (unsigned)fields)) < 0)
H5_LIBRARY_ERROR(ENVONLY);
args[0].i = (jint)infobuf.hdr.version;
args[1].i = (jint)infobuf.hdr.nmesgs;
args[2].i = (jint)infobuf.hdr.nchunks;
args[3].i = (jint)infobuf.hdr.flags;
args[4].j = (jlong)infobuf.hdr.space.total;
args[5].j = (jlong)infobuf.hdr.space.meta;
args[6].j = (jlong)infobuf.hdr.space.mesg;
args[7].j = (jlong)infobuf.hdr.space.free;
args[8].j = (jlong)infobuf.hdr.mesg.present;
args[9].j = (jlong)infobuf.hdr.mesg.shared;
CALL_CONSTRUCTOR(ENVONLY, "hdf/hdf5lib/structs/H5O_hdr_info_t", "(IIIIJJJJJJ)V", args, ret_obj);
hdrinfobuf = ret_obj;
args[0].j = (jlong)infobuf.meta_size.obj.index_size;
args[1].j = (jlong)infobuf.meta_size.obj.heap_size;
CALL_CONSTRUCTOR(ENVONLY, "hdf/hdf5lib/structs/H5_ih_info_t", "(JJ)V", args, ret_obj);
ihinfobuf1 = ret_obj;
args[0].j = (jlong)infobuf.meta_size.attr.index_size;
args[1].j = (jlong)infobuf.meta_size.attr.heap_size;
CALL_CONSTRUCTOR(ENVONLY, "hdf/hdf5lib/structs/H5_ih_info_t", "(JJ)V", args, ret_obj);
ihinfobuf2 = ret_obj;
args[0].j = (jlong)infobuf.fileno;
args[1].j = (jlong)infobuf.addr;
args[2].i = infobuf.type;
args[3].i = (jint)infobuf.rc;
args[4].j = (jlong)infobuf.num_attrs;
args[5].j = infobuf.atime;
args[6].j = infobuf.mtime;
args[7].j = infobuf.ctime;
args[8].j = infobuf.btime;
args[9].l = hdrinfobuf;
args[10].l = ihinfobuf1;
args[11].l = ihinfobuf2;
CALL_CONSTRUCTOR(ENVONLY, "hdf/hdf5lib/structs/H5O_info_t", "(JJIIJJJJJLhdf/hdf5lib/structs/H5O_hdr_info_t;Lhdf/hdf5lib/structs/H5_ih_info_t;Lhdf/hdf5lib/structs/H5_ih_info_t;)V", args, ret_obj);
done:
return ret_obj;
} /* end Java_hdf_hdf5lib_H5_H5Oget_1info */