impeller::ArchiveClassRegistration Class Reference

#include <archive_class_registration.h>

Public Member Functions
bool	IsValid () const
std::optional< size_t >	FindColumnIndex (const std::string &member) const
const std::string &	GetClassName () const
size_t	GetMemberCount () const
ArchiveStatement	CreateInsertStatement () const
ArchiveStatement	CreateQueryStatement (bool single) const

Static Public Attributes
static constexpr size_t	kPrimaryKeyIndex = 0u

Friends
class	ArchiveDatabase

Detailed Description

Definition at line 16 of file archive_class_registration.h.

Member Function Documentation

CreateInsertStatement()

ArchiveStatement impeller::ArchiveClassRegistration::CreateInsertStatement

(

)

const

Definition at line 109 of file archive_class_registration.cc.

                                                                       {
  std::stringstream stream;
  stream << "INSERT OR REPLACE INTO " << definition_.table_name
         << " VALUES ( ?, ";
  for (size_t i = 0, columns = definition_.members.size(); i < columns; i++) {
    stream << "?";
    if (i != columns - 1) {
      stream << ", ";
    }
  }
  stream << ");";
 
  return database_.CreateStatement(stream.str());
}

CreateQueryStatement()

ArchiveStatement impeller::ArchiveClassRegistration::CreateQueryStatement

(

bool

single

)

const

Definition at line 86 of file archive_class_registration.cc.

                       {
  std::stringstream stream;
  stream << "SELECT " << kArchivePrimaryKeyColumnName << ", ";
  for (size_t i = 0, columns = definition_.members.size(); i < columns; i++) {
    stream << definition_.members[i];
    if (i != columns - 1) {
      stream << ",";
    }
  }
  stream << " FROM " << definition_.table_name;
 
  if (single) {
    stream << " WHERE " << kArchivePrimaryKeyColumnName << " = ?";
  } else {
    stream << " ORDER BY  " << kArchivePrimaryKeyColumnName << " ASC";
  }
 
  stream << ";";
 
  return database_.CreateStatement(stream.str());
}

References impeller::kArchivePrimaryKeyColumnName.

FindColumnIndex()

std::optional< size_t > impeller::ArchiveClassRegistration::FindColumnIndex

(

const std::string &

member

)

const

Definition at line 39 of file archive_class_registration.cc.

                                   {
  auto found = column_map_.find(member);
  if (found == column_map_.end()) {
    VALIDATION_LOG << "No member named '" << member << "' in class '"
                   << definition_.table_name
                   << "'. Did you forget to register it?";
    return std::nullopt;
  }
  return found->second;
}

References VALIDATION_LOG.

Referenced by impeller::ArchiveLocation::Read(), and impeller::ArchiveLocation::Write().

GetClassName()

const std::string & impeller::ArchiveClassRegistration::GetClassName

(

)

const

Definition at line 27 of file archive_class_registration.cc.

                                                              {
  return definition_.table_name;
}

GetMemberCount()

size_t impeller::ArchiveClassRegistration::GetMemberCount

(

)

const

Definition at line 31 of file archive_class_registration.cc.

                                                      {
  return column_map_.size();
}

IsValid()

bool impeller::ArchiveClassRegistration::IsValid

(

)

const

Definition at line 35 of file archive_class_registration.cc.

                                             {
  return is_valid_;
}

Referenced by impeller::RegistrationIfReady().

Friends And Related Function Documentation

ArchiveDatabase

friend class ArchiveDatabase

friend

Definition at line 35 of file archive_class_registration.h.

Member Data Documentation

kPrimaryKeyIndex

constexpr size_t impeller::ArchiveClassRegistration::kPrimaryKeyIndex = 0u

staticconstexpr

Definition at line 18 of file archive_class_registration.h.

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

• impeller/archivist/archive_class_registration.h
• impeller/archivist/archive_class_registration.cc