#include "tensorstore/transaction.h"
class tensorstore::Transaction;

Shared handle to a transaction.

Types

struct no_transaction_t;

Special type that indicates a null transaction.

Constructors

constexpr Transaction(no_transaction_t);

Creates a null transaction.

explicit Transaction(TransactionMode mode);

Creates a new transaction with the specified mode.

Methods

TransactionMode mode() const;

Returns the transaction mode.

bool atomic() const;

Returns true if this transaction guarantees atomicity.

bool aborted() const;

Returns true if the transaction has been aborted.

bool commit_started() const;

Returns true if the transaction commit has started.

void Abort() const;

Aborts the transaction (has no effect if already aborted or committed).

absl::Status Commit() const;

Synchronously commits. Blocks until the commit completes successfully or with an error.

Future<const void> CommitAsync() const;

Commits the transaction (has no effect if already committed or aborted).

void Barrier() const;

Creates a write barrier. Guarantees that subsequent writes are not committed before any prior write.

Future<const void> future() const;

Returns a Future that becomes ready when the transaction is committed or aborted. Forcing the returned Future is equivalent to calling CommitAsync.

size_t total_bytes() const;

Returns an estimate of the number of bytes of memory currently consumed by the transaction.

Friend functions

friend bool operator==(const Transaction& a, const Transaction& b);
friend bool operator!=(const Transaction& a, const Transaction& b);
friend bool operator==(const Transaction& a, no_transaction_t b);
friend bool operator==(no_transaction_t a, const Transaction& b);
friend bool operator!=(const Transaction& a, no_transaction_t b);
friend bool operator!=(no_transaction_t a, const Transaction& b);

Checks if a and b refer to the same transaction state, or are both null.

enum tensorstore::TransactionMode;

Specifies the transaction mode.

constexpr const Transaction::no_transaction_t
tensorstore::no_transaction = no_transaction{};

Special value that indicates non-transactional semantics.