Trait Topic

pub trait Topic {
    // Required methods
    fn get_env(&self) -> &Env;
    fn get_db(&self) -> Database;

    // Provided methods
    fn lag(&self) -> Result<u64, Error> { ... }
    fn get_tail<TXN>(db: Database, txn: &TXN) -> Result<(u64, u64), Error>
       where TXN: Transaction { ... }
    fn get_value<TXN>(db: Database, txn: &TXN, key: &[u8]) -> Result<u64, Error>
       where TXN: Transaction { ... }
}

Required Methods

fn get_env(&self) -> &Env

fn get_db(&self) -> Database

Provided Methods

fn lag(&self) -> Result<u64, Error>

fn get_tail<TXN>(db: Database, txn: &TXN) -> Result<(u64, u64), Error>

where TXN: Transaction,

fn get_value<TXN>(db: Database, txn: &TXN, key: &[u8]) -> Result<u64, Error>

where TXN: Transaction,

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl<'env> Topic for Comsumer<'env>

impl<'env> Topic for Producer<'env>