cms::h5::Group Class Reference

#include <h5_Group.h>

Public Member Functions
std::shared_ptr< DataSet >	derefDataSet (hobj_ref_t iRef) const
std::shared_ptr< Group >	derefGroup (hobj_ref_t iRef) const
std::shared_ptr< Attribute >	findAttribute (std::string const &iName) const
std::shared_ptr< DataSet >	findDataSet (std::string const &iName) const
std::shared_ptr< Group >	findGroup (std::string const &iName) const
std::size_t	getNumObjs () const
std::string	getObjnameByIdx (std::size_t) const
	Group (hid_t, std::string const &)
	Group (hid_t, const void *iRef)
	Group (const Group &)=delete
	Group (Group &&)=delete
std::string	name () const
Group &	operator= (const Group &)=delete
Group &	operator= (Group &&)=delete
	~Group ()

Private Attributes
hid_t	id_

Detailed Description

Definition at line 36 of file h5_Group.h.

Constructor & Destructor Documentation

Group() [1/4]

Group< TOutput >::Group ( hid_t  iParentID, std::string const &  iName  )

explicit

Definition at line 34 of file h5_Group.cc.

References Exception, and id_.

                                                      : id_(H5Gopen2(iParentID, iName.c_str(), H5P_DEFAULT)) {
    if (id_ < 0) {
      throw cms::Exception("UnknownH5Group") << "unable to find group " << iName;
    }
  }

Group() [2/4]

Group< TOutput >::Group ( hid_t  iParentID, const void *  iRef  )

explicit

Definition at line 40 of file h5_Group.cc.

References Exception, and id_.

                                                : id_(H5Rdereference2(iParentID, H5P_DEFAULT, H5R_OBJECT, iRef)) {
    if (id_ < 0) {
      throw cms::Exception("BadH5GroupRef") << "unable to dereference Group from parent " << iParentID;
    }
  }

~Group()

Group< TOutput >::~Group

(

)

Definition at line 51 of file h5_Group.cc.

References id_.

{ H5Gclose(id_); }

Group() [3/4]

cms::h5::Group::Group ( const Group &  )

delete

Group() [4/4]

cms::h5::Group::Group ( Group &&  )

delete

Member Function Documentation

derefDataSet()

std::shared_ptr< DataSet > Group< TOutput >::derefDataSet

(

hobj_ref_t

iRef

)

const

Definition at line 85 of file h5_Group.cc.

References id_.

{ return std::make_shared<DataSet>(id_, &iRef); }

derefGroup()

std::shared_ptr< Group > Group< TOutput >::derefGroup

(

hobj_ref_t

iRef

)

const

Definition at line 83 of file h5_Group.cc.

References id_.

{ return std::make_shared<Group>(id_, &iRef); }

findAttribute()

std::shared_ptr< Attribute > Group< TOutput >::findAttribute

(

std::string const &

iName

)

const

Definition at line 79 of file h5_Group.cc.

References id_.

                                                                            {
    return std::make_shared<Attribute>(id_, iName);
  }

findDataSet()

std::shared_ptr< DataSet > Group< TOutput >::findDataSet

(

std::string const &

iName

)

const

Definition at line 75 of file h5_Group.cc.

References id_.

                                                                        {
    return std::make_shared<DataSet>(id_, iName);
  }

findGroup()

std::shared_ptr< Group > Group< TOutput >::findGroup

(

std::string const &

iName

)

const

Definition at line 72 of file h5_Group.cc.

References id_.

                                                                    {
    return std::make_shared<Group>(id_, iName);
  }

getNumObjs()

std::size_t Group< TOutput >::getNumObjs

(

)

const

Definition at line 97 of file h5_Group.cc.

References cms::cuda::assert(), and id_.

                                    {
    H5G_info_t ginfo;  // Group information

    herr_t ret_value = H5Gget_info(id_, &ginfo);
    assert(ret_value >= 0);
    return (ginfo.nlinks);
  }

getObjnameByIdx()

std::string Group< TOutput >::getObjnameByIdx

(

std::size_t

idx

)

const

Definition at line 105 of file h5_Group.cc.

References cms::cuda::assert(), edmScanValgrind::buffer, id_, heavyIonCSV_trainingSettings::idx, AlCaHLTBitMon_QueryRunRegistry::string, and funct::void.

                                                      {
    // call H5Lget_name_by_idx with name as NULL to get its length
    ssize_t name_len = H5Lget_name_by_idx(id_, ".", H5_INDEX_NAME, H5_ITER_INC, idx, nullptr, 0, H5P_DEFAULT);
    assert(name_len >= 0);

    // The actual size is the cast value + 1 for the terminal ASCII NUL
    // (unfortunate in/out type sign mismatch)
    size_t actual_name_len = static_cast<size_t>(name_len) + 1;

    std::unique_ptr<char[]> buffer(new char[actual_name_len]);

    (void)H5Lget_name_by_idx(id_, ".", H5_INDEX_NAME, H5_ITER_INC, idx, buffer.get(), actual_name_len, H5P_DEFAULT);

    return std::string(buffer.get());
  }

name()

std::string Group< TOutput >::name

(

)

const

Definition at line 87 of file h5_Group.cc.

References edmScanValgrind::buffer, id_, and AlCaHLTBitMon_QueryRunRegistry::string.

Referenced by config.CFG::__str__(), validation.Sample::digest(), and VIDSelectorBase.VIDSelectorBase::initialize().

                              {
    ssize_t name_size = H5Iget_name(id_, nullptr, 0);

    size_t actual_name_size = static_cast<size_t>(name_size) + 1;
    std::unique_ptr<char[]> buffer(new char[actual_name_size]);
    H5Iget_name(id_, buffer.get(), actual_name_size);

    return std::string(buffer.get());
  }

operator=() [1/2]

Group& cms::h5::Group::operator= ( const Group &  )

delete

operator=() [2/2]

Group& cms::h5::Group::operator= ( Group &&  )

delete

Member Data Documentation

id_

hid_t cms::h5::Group::id_

private

Definition at line 67 of file h5_Group.h.

Referenced by derefDataSet(), derefGroup(), findAttribute(), findDataSet(), findGroup(), getNumObjs(), getObjnameByIdx(), Group(), name(), and ~Group().