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#include "hdf_id_helper.h"
#define THROW(_ex) throw _ex
#define THROW_ON_ERROR(code) \
if (code < 0) THROW(Exception())
namespace ont { namespace hdf5 {
static_assert(std::is_same<Id,hid_t>::value, "Mismatched ID types");
IdRef IdRef::claim(Id id)
{
if (id < 0 || H5Iis_valid(id) <= 0) {
THROW(Exception());
}
return IdRef(id);
}
IdRef IdRef::ref(Id id)
{
assert(id >= 0);
THROW_ON_ERROR(H5Iinc_ref(id));
return IdRef(id);
}
IdRef IdRef::global_ref(Id id)
{
assert(id >= 0);
// Increment the index here - never decrementing it.
THROW_ON_ERROR(H5Iinc_ref(id));
return global(id);
}
IdRef::IdRef(IdRef const& other)
: m_id(other.m_id)
, m_is_global_constant(other.m_is_global_constant)
{
if (!m_is_global_constant && m_id >= 0) {
THROW_ON_ERROR(H5Iinc_ref(m_id));
}
}
IdRef& IdRef::operator=(IdRef const& other)
{
if (!other.m_is_global_constant && other.m_id >= 0) {
THROW_ON_ERROR(H5Iinc_ref(other.m_id));
}
if (!m_is_global_constant && m_id >= 0) {
auto result = H5Idec_ref(m_id);
if (result < 0) {
// this will be logged by the auto-logging code
// (see install_error_function)
assert(false);
}
}
m_is_global_constant = other.m_is_global_constant;
m_id = other.m_id;
return *this;
}
IdRef::~IdRef()
{
if (!m_is_global_constant && m_id >= 0) {
auto result = H5Idec_ref(m_id);
if (result < 0) {
// this will be logged by the auto-logging code
// (see install_error_function)
assert(false);
}
}
}
int IdRef::ref_count() const
{
if (m_id < 0) {
return 0;
}
return H5Iget_ref(m_id);
}
}}
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