Struct tinychain::txn::Txn [−][src]
pub struct Txn { /* fields omitted */ }
Expand description
A transaction context.
Implementations
Claim ownership of this transaction.
pub async fn grant(
&self,
actor: &Actor,
cluster_path: TCPathBuf,
scopes: Vec<Scope>
) -> TCResult<Self>
Check if this transaction has a leader for the given cluster.
Check if this host is leading the transaction for the specified cluster.
Check if the cluster at the specified path on this host is the owner of the transaction.
Claim leadership of this transaction for the given cluster.
Return the leader of this transaction for the given cluster, if there is one.
Return the Request
which initiated this transaction on this host.
Resolve a GET op within this transaction context.
Resolve a PUT op within this transaction context.
Resolve a POST op within this transaction context.
Trait Implementations
Auto Trait Implementations
impl !RefUnwindSafe for Txn
impl !UnwindSafe for Txn
Blanket Implementations
Mutably borrows from an owned value. Read more
Instruments this type with the provided Span
, returning an
Instrumented
wrapper. Read more
Returns true
if self
can be cast into the target type T
.
type Output = T
type Output = T
Should always be Self
Test if value
can be cast into Self
.
Returns Some(Self)
if the source value can be cast into Self
, otherwise None
.
fn try_cast_from<Err, OnErr>(value: T, on_err: OnErr) -> Result<Self, Err> where
OnErr: FnOnce(&T) -> Err,
fn try_cast_from<Err, OnErr>(value: T, on_err: OnErr) -> Result<Self, Err> where
OnErr: FnOnce(&T) -> Err,
Returns Ok(Self)
if the source value can be cast into Self
, otherwise calls on_err
.
Test if self
can be cast into T
.
Returns Some(T)
if self
can be cast into T
, otherwise None
.
fn try_cast_into<Err, OnErr>(self, on_err: OnErr) -> Result<T, Err> where
OnErr: FnOnce(&Self) -> Err,
fn try_cast_into<Err, OnErr>(self, on_err: OnErr) -> Result<T, Err> where
OnErr: FnOnce(&Self) -> Err,
Returns Ok(T)
if self
can be cast into T
, otherwise calls on_err
.