pub struct SharedWriteBufferManager {
shared: Arc<Mutex<Weak<WriteBufferManager>>>,
}Fields§
Keeping a Weak pointer to WriteBufferManager here behind an Arc and a Mutex.
The strong pointers will be owned by each RocksDBInstance.
When the rocksdb instances are cleaned up, the WriteBufferManager here will
be cleaned up as well.
Updates to config values via RocksDbWriteBufferManagerConfig will not update
the WriteBufferManager once it’s initialized here and there’s at least one RocksDBInstance
keeping a strong reference to it.
Implementations§
Sourcepub(crate) fn get_or_init<F>(&self, initializer: F) -> WriteBufferManagerHandlewhere
F: FnOnce() -> WriteBufferManager,
pub(crate) fn get_or_init<F>(&self, initializer: F) -> WriteBufferManagerHandlewhere
F: FnOnce() -> WriteBufferManager,
If a shared WriteBufferManager does not already exist, then it’s initialized
with given initializer.
A strong reference is returned for the shared buffer manager.
Sourcepub fn get(&self) -> Option<Arc<WriteBufferManager>>
pub fn get(&self) -> Option<Arc<WriteBufferManager>>
This will return a non-empty WriteBufferManager only after it has been initialized by a RocksDBInstance. This method is only used in tests.
Trait Implementations§
Source§fn clone(&self) -> SharedWriteBufferManager
fn clone(&self) -> SharedWriteBufferManager
1.0.0 · Source§const fn clone_from(&mut self, source: &Self)
const fn clone_from(&mut self, source: &Self)
source. Read moreSource§fn default() -> SharedWriteBufferManager
fn default() -> SharedWriteBufferManager
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