icedb::Databases::Database_impl Class Reference

#include <Database_impl.hpp>

Inheritance diagram for icedb::Databases::Database_impl:

Collaboration diagram for icedb::Databases::Database_impl:

Public Member Functions
	Database_impl ()
	Database_impl (size_t virtualMemSizeInBytes)
virtual	~Database_impl ()
Groups::Group::Group_ptr	openGroup (const std::string &path) override
Groups::Group::Group_ptr	createGroup (const std::string &path) override
Groups::Group::Group_ptr	createGroupStructure (const std::string &groupName) override
Groups::Group::Group_ptr	createGroupStructure (const std::vector< std::string > &groupNames) override
Public Member Functions inherited from icedb::Databases::Database
virtual	~Database ()

Static Private Member Functions
static std::shared_ptr< H5::H5File >	makeDatabaseFileStandard (const std::string &p)

Private Attributes
std::shared_ptr< H5::H5File >	hFile
file_image	hFileImage
	Used if a virtual base is needed (the typical case) More...

Friends
class	Database

Additional Inherited Members
Public Types inherited from icedb::Databases::Database
typedef std::unique_ptr< Database >	Database_ptr
Static Public Member Functions inherited from icedb::Databases::Database
static Database_ptr	createSampleDatabase (const std::string &location)
static Database_ptr	createSingleFileDatabase (const std::string &location)
static Database_ptr	openDatabase (const std::string &location, fs::IOopenFlags flags=fs::IOopenFlags::READ_ONLY)
static Database_ptr	openVirtualDatabase (size_t memSizeInBytes)
static void	indexDatabase (const std::string &location)
Protected Member Functions inherited from icedb::Databases::Database
	Database ()

Detailed Description

Definition at line 19 of file Database_impl.hpp.

Constructor & Destructor Documentation

Database_impl() [1/2]

icedb::Databases::Database_impl::Database_impl

(

)

Definition at line 56 of file databases.cpp.

                                     : hFileImage(fs::impl::getUniqueVROOTname(), 10 * 1024 * 1024)
        { }

Database_impl() [2/2]

icedb::Databases::Database_impl::Database_impl

(

size_t

virtualMemSizeInBytes

)

Definition at line 59 of file databases.cpp.

                                                                 : hFileImage(fs::impl::getUniqueVROOTname(), virtualMemSizeInBytes)
        { }

~Database_impl()

icedb::Databases::Database_impl::~Database_impl ( )

virtual

Definition at line 62 of file databases.cpp.

{}

Member Function Documentation

createGroup()

Groups::Group::Group_ptr icedb::Databases::Database_impl::createGroup ( const std::string &  path )

overridevirtual

Implements icedb::Databases::Database.

Definition at line 48 of file databases.cpp.

References icedb::Groups::Group::createGroup(), and icedb::Databases::file_image::hFile.

                                                                             {
            return Groups::Group::createGroup(path, hFile.get());
        }

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createGroupStructure() [1/2]

Groups::Group::Group_ptr icedb::Databases::Database_impl::createGroupStructure ( const std::string &  groupName )

overridevirtual

Implements icedb::Databases::Database.

Definition at line 193 of file databases.cpp.

References icedb::fs::hdf5::createGroupStructure(), hFile, and icedb::Groups::Group::openGroup().

        {
            H5::Group grp = icedb::fs::hdf5::createGroupStructure(groupName, *(hFile.get()));
            std::shared_ptr<H5::Group> ngrp = std::make_shared<H5::Group>(grp);
            return Groups::Group::openGroup(ngrp);
        }

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createGroupStructure() [2/2]

Groups::Group::Group_ptr icedb::Databases::Database_impl::createGroupStructure ( const std::vector< std::string > &  groupNames )

overridevirtual

Implements icedb::Databases::Database.

Definition at line 199 of file databases.cpp.

References icedb::fs::hdf5::createGroupStructure(), hFile, and icedb::Groups::Group::openGroup().

        {
            H5::Group grp = icedb::fs::hdf5::createGroupStructure(groupNames, *(hFile.get()));
            std::shared_ptr<H5::Group> ngrp = std::make_shared<H5::Group>(grp);
            return Groups::Group::openGroup(ngrp);
        }

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makeDatabaseFileStandard()

std::shared_ptr< H5::H5File > icedb::Databases::Database_impl::makeDatabaseFileStandard ( const std::string &  p )

staticprivate

Definition at line 34 of file databases.cpp.

References basegrp, icedb::fs::hdf5::getHDF5IOflags(), and icedb::fs::TRUNCATE.

Referenced by icedb::Databases::Database::createSampleDatabase(), icedb::Databases::Database::createSingleFileDatabase(), and icedb::Databases::Database::indexDatabase().

                                                                                          {
                auto res = std::make_shared<H5::H5File>(p,
                    fs::hdf5::getHDF5IOflags(fs::IOopenFlags::TRUNCATE),
                    H5P_DEFAULT);
                constexpr uint64_t dbverno = 1;
                auto basegrp = res->openGroup("."); //->getHDF5Group();
                icedb::fs::hdf5::addAttr<uint64_t, H5::Group>(&basegrp, "Version", dbverno);
                icedb::fs::hdf5::addAttr<std::string, H5::Group>(&basegrp, "Software", "libicedb");

                //icedb::fs::hdf5::addAttr<uint64_t, H5::H5File>(res.get(), "Version", dbverno);
                //icedb::fs::hdf5::addAttr<std::string, H5::H5File>(res.get(), "Software", "libicedb");
                return res;
            }

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openGroup()

Groups::Group::Group_ptr icedb::Databases::Database_impl::openGroup ( const std::string &  path )

overridevirtual

Implements icedb::Databases::Database.

Definition at line 52 of file databases.cpp.

References icedb::Databases::file_image::hFile, and icedb::Groups::Group::openGroup().

                                                                           {
            return Groups::Group::openGroup(path, hFile.get());
        }

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Friends And Related Function Documentation

Database

friend class Database

friend

Definition at line 20 of file Database_impl.hpp.

Member Data Documentation

hFile

std::shared_ptr<H5::H5File> icedb::Databases::Database_impl::hFile

private

Definition at line 21 of file Database_impl.hpp.

Referenced by createGroupStructure().

hFileImage

file_image icedb::Databases::Database_impl::hFileImage

private

Used if a virtual base is needed (the typical case)

Definition at line 22 of file Database_impl.hpp.

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The documentation for this class was generated from the following files:

• lib/private/Database_impl.hpp
• lib/src/databases.cpp