Struct frugalos_mds::machine::Machine

pub struct Machine { /* fields omitted */ }

ノードの状態を管理するための状態機械.

Implementations

impl Machine

pub fn new() -> Self

pub fn from_snapshot(snapshot: Snapshot) -> Self

pub fn to_snapshot(&self) -> Snapshot

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn put(
    &mut self,
    object_id: ObjectId,
    metadata: Metadata,
    expect: &Expect
) -> Result<Option<ObjectVersion>>

pub fn delete(
    &mut self,
    object_id: &ObjectId,
    expect: &Expect
) -> Result<Option<ObjectVersion>>

pub fn delete_version(
    &mut self,
    object_version: ObjectVersion
) -> Result<Option<ObjectVersion>>

pub fn delete_by_prefix(
    &mut self,
    object_prefix: &ObjectPrefix
) -> Result<Vec<ObjectVersion>>

pub fn get(
    &self,
    object_id: &ObjectId,
    expect: &Expect
) -> Result<Option<Metadata>>

pub fn head(
    &self,
    object_id: &ObjectId,
    expect: &Expect
) -> Result<Option<ObjectVersion>>

pub fn to_summaries(&self) -> Vec<ObjectSummary>

pub fn to_summaries_by_prefix(
    &self,
    object_prefix: &ObjectPrefix
) -> Vec<ObjectSummary>

pub fn enumerate_object_versions(&self) -> Vec<u64>

pub fn latest_version(&self) -> Option<ObjectSummary>

pub fn to_versions(&self) -> Vec<ObjectVersion>

Trait Implementations

impl Clone for Machine

pub fn clone(&self) -> Machine

Returns a copy of the value.

pub fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Machine

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

Formats the value using the given formatter.

impl Default for Machine

pub fn default() -> Machine

Returns the "default value" for a type.