legacylockmgr::LockMgr< MutexType, KeyType > Class Template Reference

#include <LegacyLockMgr.h>

Static Public Member Functions
static std::shared_ptr< MutexType >	getMutex (const LockType lockType, const KeyType &key)

Static Private Attributes
static std::mutex	aMutex_
static std::map< std::tuple < LockType, KeyType > , std::shared_ptr< MutexType > >	mutexMap_

Detailed Description

template<typename MutexType, typename KeyType>
class legacylockmgr::LockMgr< MutexType, KeyType >

Definition at line 35 of file LegacyLockMgr.h.

Member Function Documentation

template<typename MutexType , typename KeyType >

std::shared_ptr< MutexType > legacylockmgr::LockMgr< MutexType, KeyType >::getMutex ( const LockType  lockType, const KeyType &  key  )

static

Definition at line 51 of file LegacyLockMgr.h.

Referenced by Parser::CreateTableStmt::execute(), Parser::CreateDataframeStmt::execute(), Parser::DropTableStmt::execute(), Parser::TruncateTableStmt::execute(), Parser::RenameDatabaseStmt::execute(), Parser::RenameTableStmt::execute(), Parser::AddColumnStmt::execute(), Parser::DropColumnStmt::execute(), Parser::CopyTableStmt::execute(), Parser::ShowCreateTableStmt::execute(), Parser::CreateViewStmt::execute(), Parser::CreateDBStmt::execute(), Parser::DropDBStmt::execute(), Parser::InsertValuesStmt::execute(), DBHandler::get_tables_meta(), DBHandler::sql_execute_impl(), and DBHandler::validate_rel_alg().

                                                                                     {
  auto lock_key = std::make_tuple(lock_type, key);

  std::unique_lock<std::mutex> lck(aMutex_);
  auto mit = mutexMap_.find(lock_key);
  if (mit != mutexMap_.end()) {
    return mit->second;
  }

  auto tMutex = std::make_shared<MutexType>();
  mutexMap_[lock_key] = tMutex;
  return tMutex;
}

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Member Data Documentation

template<typename MutexType , typename KeyType >

std::mutex legacylockmgr::LockMgr< MutexType, KeyType >::aMutex_

staticprivate

Definition at line 40 of file LegacyLockMgr.h.

template<typename MutexType , typename KeyType >

std::map< std::tuple< LockType, KeyType >, std::shared_ptr< MutexType > > legacylockmgr::LockMgr< MutexType, KeyType >::mutexMap_

staticprivate

Definition at line 41 of file LegacyLockMgr.h.

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

• /home/jenkins-slave/workspace/core-os-doxygen/LockMgr/LegacyLockMgr.h