Struct ConcurrentStatus 

pub struct ConcurrentStatus {
    pub hold_pages: ConcurrentHashMap<Transaction, HashSet<BTreePageID>>,
    /* private fields */
}

reference:

• https://sourcegraph.com/github.com/XiaochenCui/small-db-hw@87607789b677d6afee00a223eacb4f441bd4ae87/-/blob/src/java/smalldb/ConcurrentStatus.java?L12:14&subtree=true

Fields

hold_pages: ConcurrentHashMap<Transaction, HashSet<BTreePageID>>

Implementations

impl ConcurrentStatus

pub fn new() -> Self

pub fn request_lock( &self, tx: &Transaction, lock: &Lock, page_id: &BTreePageID, ) -> Result<(), SmallError>

pub fn release_lock_by_tx(&self, tx: &Transaction) -> SmallResult

pub fn holds_lock(&self, tx: &Transaction, page_id: &BTreePageID) -> bool

pub fn get_page_tx(&self, page_id: &BTreePageID) -> Option<Transaction>

pub fn clear(&self)

Trait Implementations

impl Debug for ConcurrentStatus

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for ConcurrentStatus

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.