impeller::ArchiveTransaction Class Reference

All writes made to the archive within a transaction that is not marked as ready for commit will be rolled back with the transaction ends. More...

#include <archive_transaction.h>

Public Member Functions
	ArchiveTransaction (ArchiveTransaction &&transaction)
	~ArchiveTransaction ()
void	MarkWritesAsReadyForCommit ()

Friends
class	ArchiveDatabase

Detailed Description

All writes made to the archive within a transaction that is not marked as ready for commit will be rolled back with the transaction ends.

All transactions are obtained from the ArchiveDatabase.

See also

ArchiveDatabase

Definition at line 23 of file archive_transaction.h.

Constructor & Destructor Documentation

ArchiveTransaction()

impeller::ArchiveTransaction::ArchiveTransaction

(

ArchiveTransaction &&

transaction

)

Definition at line 25 of file archive_transaction.cc.

    : end_stmt_(other.end_stmt_),
      rollback_stmt_(other.rollback_stmt_),
      transaction_count_(other.transaction_count_),
      cleanup_(other.cleanup_),
      successful_(other.successful_) {
  other.abandoned_ = true;
}

~ArchiveTransaction()

impeller::ArchiveTransaction::~ArchiveTransaction

(

)

Definition at line 34 of file archive_transaction.cc.

                                        {
  if (abandoned_) {
    return;
  }
 
  FML_CHECK(transaction_count_ != 0);
  if (transaction_count_ == 1 && cleanup_) {
    auto res = successful_ ? end_stmt_.Execute() : rollback_stmt_.Execute();
    FML_CHECK(res == ArchiveStatement::Result::kDone)
        << "Must be able to commit the nested transaction";
  }
  transaction_count_--;
}

References impeller::ArchiveStatement::Execute(), and impeller::ArchiveStatement::kDone.

Member Function Documentation

MarkWritesAsReadyForCommit()

void impeller::ArchiveTransaction::MarkWritesAsReadyForCommit

(

)

Definition at line 48 of file archive_transaction.cc.

                                                    {
  successful_ = true;
}

Friends And Related Function Documentation

ArchiveDatabase

friend class ArchiveDatabase

friend

Definition at line 39 of file archive_transaction.h.

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

• impeller/archivist/archive_transaction.h
• impeller/archivist/archive_transaction.cc