icedb::Groups Namespace Reference

All stuff related to Groups. More...

Classes
class	Group
	A group is similar to a folder / directory. It can have Attributes and Tables. More...
class	Group_impl

Functions
template<class HPointerType >
Group::Group_ptr	_Impl_createGroup (const std::string &groupName, gsl::not_null< HPointerType *> parent)
	This exists because HDF5's API changed. More...

Detailed Description

All stuff related to Groups.

Function Documentation

_Impl_createGroup()

template<class HPointerType >

Group::Group_ptr icedb::Groups::_Impl_createGroup	(	const std::string &	groupName,
		gsl::not_null< HPointerType *>	parent
	)

This exists because HDF5's API changed.

Definition at line 67 of file Groups.cpp.

References icedb::Groups::Group::createGroup(), and icedb::Attributes::CanHaveAttributes_impl::parent.

                                                                                                        {
            //_impl->grp->createGroup(groupName); // Bad for NetCDF. See http://www.unidata.ucar.edu/software/netcdf/docs/file_format_specifications.html#creation_order
            hid_t baseGrpID = parent->getId();
            /* Create group, with link_creation_order set in the group
            * creation property list. */
            // No suitable C++ methods found.
            
            hid_t gcpl_id = H5Pcreate(H5P_GROUP_CREATE);
            assert(gcpl_id >= 0);
            assert(H5Pset_link_creation_order(gcpl_id, H5P_CRT_ORDER_TRACKED | H5P_CRT_ORDER_INDEXED) >= 0);
            assert(H5Pset_attr_creation_order(gcpl_id, H5P_CRT_ORDER_TRACKED | H5P_CRT_ORDER_INDEXED) >= 0);
            hid_t newGrp_id = H5Gcreate2(baseGrpID, groupName.c_str(), H5P_DEFAULT, gcpl_id, H5P_DEFAULT);
            assert(newGrp_id >= 0);
            assert(H5Gclose(newGrp_id) >= 0);
            assert(H5Pclose(gcpl_id) >= 0);

            return std::make_unique<Group_impl>(groupName, parent);
            //return Group::Group_ptr(new Group_impl(groupName, parent));
        }

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