Struct tinychain::chain::BlockChain

source · [−]

pub struct BlockChain { /* private fields */ }

Expand description

A Chain which stores every mutation of its Subject in a series of ChainBlocks

Trait Implementations

source

impl ChainInstance for BlockChain

source

fn append_delete<'life0, 'async_trait>(
 &'life0 self,
 txn_id: TxnId,
 path: TCPathBuf,
 key: Value
) -> Pin<Box<dyn Future<Output = TCResult<()>> + Send + 'async_trait>> where
 'life0: 'async_trait,
 Self: 'async_trait,

Append the given DELETE op to the latest block in this Chain.

source

fn append_put<'life0, 'life1, 'async_trait>(
 &'life0 self,
 txn: &'life1 Txn,
 path: TCPathBuf,
 key: Value,
 value: State
) -> Pin<Box<dyn Future<Output = TCResult<()>> + Send + 'async_trait>> where
 'life0: 'async_trait,
 'life1: 'async_trait,
 Self: 'async_trait,

Append the given PUT op to the latest block in this Chain.

source

fn hash<'async_trait>(
 self,
 txn: Txn
) -> Pin<Box<dyn Future<Output = TCResult<Output<Sha256>>> + Send + 'async_trait>> where
 Self: 'async_trait,

Return the latest hash of this Chain.

source

fn last_commit<'life0, 'async_trait>(
 &'life0 self,
 txn_id: TxnId
) -> Pin<Box<dyn Future<Output = TCResult<Option<TxnId>>> + Send + 'async_trait>> where
 'life0: 'async_trait,
 Self: 'async_trait,

Return the TxnId of the last commit to this Chain, if there is one.

source

fn subject(&self) -> &Subject

Borrow the Subject of this Chain immutably.

source

fn replicate<'life0, 'life1, 'async_trait>(
 &'life0 self,
 txn: &'life1 Txn,
 source: Link
) -> Pin<Box<dyn Future<Output = TCResult<()>> + Send + 'async_trait>> where
 'life0: 'async_trait,
 'life1: 'async_trait,
 Self: 'async_trait,

Replicate this Chain from the Chain at the given Link.

source

fn write_ahead<'life0, 'life1, 'async_trait>(
 &'life0 self,
 txn_id: &'life1 TxnId
) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>> where
 'life0: 'async_trait,
 'life1: 'async_trait,
 Self: 'async_trait,

Write the mutation ops in the current transaction to the write-ahead log.

source

impl Clone for BlockChain

source

fn clone(&self) -> BlockChain

Returns a copy of the value. Read more

1.0.0 · source

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

Performs copy-assignment from source. Read more

source

impl FromStream for BlockChain

type Context = Txn

The decoding context of this type, useful in situations where the stream to be decoded may be too large to hold in main memory. Read more

source

fn from_stream<'life0, 'async_trait, D>(
 txn: Txn,
 decoder: &'life0 mut D
) -> Pin<Box<dyn Future<Output = Result<Self, D::Error>> + Send + 'async_trait>> where
 D: 'async_trait + Decoder,
 'life0: 'async_trait,
 Self: 'async_trait,

Parse this value using the given Decoder.

source

impl<'en> IntoView<'en, Dir> for BlockChain

type Txn = Txn

type View = (Schema, SeqStream<Result<(Bytes, MapStream<TxnId, Result<SeqStream<Result<MutationView<'en>, TCError>, Pin<Box<dyn Stream<Item = Result<MutationView<'en>, TCError>> + Unpin + Send + 'en, Global>>>, TCError>, Pin<Box<dyn Stream<Item = (TxnId, Result<SeqStream<Result<MutationView<'en>, TCError>, Pin<Box<dyn Stream<Item = Result<MutationView<'en>, TCError>> + Unpin + Send + 'en, Global>>>, TCError>)> + Unpin + Send + 'en, Global>>>), TCError>, Pin<Box<dyn Stream<Item = Result<(Bytes, MapStream<TxnId, Result<SeqStream<Result<MutationView<'en>, TCError>, Pin<Box<dyn Stream<Item = Result<MutationView<'en>, TCError>> + Unpin + Send + 'en, Global>>>, TCError>, Pin<Box<dyn Stream<Item = (TxnId, Result<SeqStream<Result<MutationView<'en>, TCError>, Pin<Box<dyn Stream<Item = Result<MutationView<'en>, TCError>> + Unpin + Send + 'en, Global>>>, TCError>)> + Unpin + Send + 'en, Global>>>), TCError>> + Unpin + Send + 'en, Global>>>)

source

fn into_view<'async_trait>(
 self,
 txn: Self::Txn
) -> Pin<Box<dyn Future<Output = TCResult<Self::View>> + Send + 'async_trait>> where
 Self: 'async_trait,

Return a View which can be encoded with en::IntoStream.

source

impl Persist<Dir> for BlockChain

type Schema = Schema

type Store = Dir

type Txn = Txn

source

fn schema(&self) -> &Schema

Return the schema of this persistent state.

source

fn load<'life0, 'async_trait>(
 txn: &'life0 Txn,
 schema: Schema,
 dir: Dir
) -> Pin<Box<dyn Future<Output = TCResult<Self>> + Send + 'async_trait>> where
 'life0: 'async_trait,
 Self: 'async_trait,

Load a saved state from persistent storage.

source

impl Transact for BlockChain

source

fn commit<'life0, 'life1, 'async_trait>(
 &'life0 self,
 txn_id: &'life1 TxnId
) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>> where
 'life0: 'async_trait,
 'life1: 'async_trait,
 Self: 'async_trait,

Commit this transaction.

source

fn finalize<'life0, 'life1, 'async_trait>(
 &'life0 self,
 txn_id: &'life1 TxnId
) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>> where
 'life0: 'async_trait,
 'life1: 'async_trait,
 Self: 'async_trait,

Delete any version data specific to this transaction.

Auto Trait Implementations

impl !RefUnwindSafe for BlockChain

impl Send for BlockChain

impl Sync for BlockChain

impl Unpin for BlockChain

impl !UnwindSafe for BlockChain

Blanket Implementations

source

impl<T> Any for T where
T: 'static + ?Sized,

source

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

source

impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

source

impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

source

impl<F, T> CastFrom<F> for T where
T: From<F>,

source

fn cast_from(f: F) -> T

Cast an instance of T into an instance of Self.

source

impl<T, F> CastInto<F> for T where
F: CastFrom<T>,

source

fn cast_into(self) -> F

Cast an instance of Self into an instance of T.

source

impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

source

impl<T> Instrument for T

source

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

source

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

source

impl<T, U> Into for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

source

impl<F> Match for F

source

fn matches<T>(&self) -> bool where
T: TryCastFrom<Self>,

Returns true if self can be cast into the target type T.

source

impl<T> Same<T> for T

type Output = T

Should always be Self

source

impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

source

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

source

fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

source

impl<F, T> TryCastFrom<F> for T where
T: CastFrom<F>,

source

fn can_cast_from(&F) -> bool

Test if value can be cast into Self.

source

fn opt_cast_from(f: F) -> Option<T>

Returns Some(Self) if the source value can be cast into Self, otherwise None.

source

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.

source

impl<F, T> TryCastInto<T> for F where
T: TryCastFrom<F>,

source

fn can_cast_into(&self) -> bool

Test if self can be cast into T.

source

fn opt_cast_into(self) -> Option<T>

Returns Some(T) if self can be cast into T, otherwise None.

source

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.

source

impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

source

impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

fn vzip(self) -> V

source

impl<T> WithSubscriber for T

source

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

source

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

Struct tinychain::chain::BlockChain

Trait Implementations

impl ChainInstance for BlockChain

fn append_delete<'life0, 'async_trait>( &'life0 self, txn_id: TxnId, path: TCPathBuf, key: Value) -> Pin<Box<dyn Future<Output = TCResult<()>> + Send + 'async_trait>> where 'life0: 'async_trait, Self: 'async_trait,

fn append_put<'life0, 'life1, 'async_trait>( &'life0 self, txn: &'life1 Txn, path: TCPathBuf, key: Value, value: State) -> Pin<Box<dyn Future<Output = TCResult<()>> + Send + 'async_trait>> where 'life0: 'async_trait, 'life1: 'async_trait, Self: 'async_trait,

fn hash<'async_trait>( self, txn: Txn) -> Pin<Box<dyn Future<Output = TCResult<Output<Sha256>>> + Send + 'async_trait>> where Self: 'async_trait,

fn last_commit<'life0, 'async_trait>( &'life0 self, txn_id: TxnId) -> Pin<Box<dyn Future<Output = TCResult<Option<TxnId>>> + Send + 'async_trait>> where 'life0: 'async_trait, Self: 'async_trait,

fn subject(&self) -> &Subject

fn replicate<'life0, 'life1, 'async_trait>( &'life0 self, txn: &'life1 Txn, source: Link) -> Pin<Box<dyn Future<Output = TCResult<()>> + Send + 'async_trait>> where 'life0: 'async_trait, 'life1: 'async_trait, Self: 'async_trait,

fn write_ahead<'life0, 'life1, 'async_trait>( &'life0 self, txn_id: &'life1 TxnId) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>> where 'life0: 'async_trait, 'life1: 'async_trait, Self: 'async_trait,

impl Clone for BlockChain

fn clone(&self) -> BlockChain

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

impl FromStream for BlockChain

type Context = Txn

fn from_stream<'life0, 'async_trait, D>( txn: Txn, decoder: &'life0 mut D) -> Pin<Box<dyn Future<Output = Result<Self, D::Error>> + Send + 'async_trait>> where D: 'async_trait + Decoder, 'life0: 'async_trait, Self: 'async_trait,

impl<'en> IntoView<'en, Dir> for BlockChain

type Txn = Txn

fn into_view<'async_trait>( self, txn: Self::Txn) -> Pin<Box<dyn Future<Output = TCResult<Self::View>> + Send + 'async_trait>> where Self: 'async_trait,

impl Persist<Dir> for BlockChain

type Schema = Schema

type Store = Dir

type Txn = Txn

fn schema(&self) -> &Schema

fn load<'life0, 'async_trait>( txn: &'life0 Txn, schema: Schema, dir: Dir) -> Pin<Box<dyn Future<Output = TCResult<Self>> + Send + 'async_trait>> where 'life0: 'async_trait, Self: 'async_trait,

impl Transact for BlockChain

fn commit<'life0, 'life1, 'async_trait>( &'life0 self, txn_id: &'life1 TxnId) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>> where 'life0: 'async_trait, 'life1: 'async_trait, Self: 'async_trait,

fn finalize<'life0, 'life1, 'async_trait>( &'life0 self, txn_id: &'life1 TxnId) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>> where 'life0: 'async_trait, 'life1: 'async_trait, Self: 'async_trait,

Auto Trait Implementations

impl !RefUnwindSafe for BlockChain

impl Send for BlockChain

impl Sync for BlockChain

impl Unpin for BlockChain

impl !UnwindSafe for BlockChain

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<F, T> CastFrom<F> for T where T: From<F>,

fn cast_from(f: F) -> T

impl<T, F> CastInto<F> for T where F: CastFrom<T>,

fn cast_into(self) -> F

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

fn in_current_span(self) -> Instrumented<Self>

impl<T, U> Into<U> for T where U: From<T>,

fn into(self) -> U

impl<F> Match for F

fn matches<T>(&self) -> bool where T: TryCastFrom<Self>,

impl<T> Same<T> for T

type Output = T

impl<T> ToOwned for T where T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

impl<F, T> TryCastFrom<F> for T where T: CastFrom<F>,

fn can_cast_from(&F) -> bool

fn opt_cast_from(f: F) -> Option<T>

fn try_cast_from<Err, OnErr>(value: T, on_err: OnErr) -> Result<Self, Err> where OnErr: FnOnce(&T) -> Err,

impl<F, T> TryCastInto<T> for F where T: TryCastFrom<F>,

fn can_cast_into(&self) -> bool

fn opt_cast_into(self) -> Option<T>

fn try_cast_into<Err, OnErr>(self, on_err: OnErr) -> Result<T, Err> where OnErr: FnOnce(&Self) -> Err,

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<V, T> VZip<V> for T where V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where S: Into<Dispatch>,

fn with_current_subscriber(self) -> WithDispatch<Self>

fn append_delete<'life0, 'async_trait>(
&'life0 self,
txn_id: TxnId,
path: TCPathBuf,
key: Value
) -> Pin<Box<dyn Future<Output = TCResult<()>> + Send + 'async_trait>> where
'life0: 'async_trait,
Self: 'async_trait,

fn append_put<'life0, 'life1, 'async_trait>(
&'life0 self,
txn: &'life1 Txn,
path: TCPathBuf,
key: Value,
value: State
) -> Pin<Box<dyn Future<Output = TCResult<()>> + Send + 'async_trait>> where
'life0: 'async_trait,
'life1: 'async_trait,
Self: 'async_trait,

fn hash<'async_trait>(
self,
txn: Txn
) -> Pin<Box<dyn Future<Output = TCResult<Output<Sha256>>> + Send + 'async_trait>> where
Self: 'async_trait,

fn last_commit<'life0, 'async_trait>(
&'life0 self,
txn_id: TxnId
) -> Pin<Box<dyn Future<Output = TCResult<Option<TxnId>>> + Send + 'async_trait>> where
'life0: 'async_trait,
Self: 'async_trait,

fn replicate<'life0, 'life1, 'async_trait>(
&'life0 self,
txn: &'life1 Txn,
source: Link
) -> Pin<Box<dyn Future<Output = TCResult<()>> + Send + 'async_trait>> where
'life0: 'async_trait,
'life1: 'async_trait,
Self: 'async_trait,

fn write_ahead<'life0, 'life1, 'async_trait>(
&'life0 self,
txn_id: &'life1 TxnId
) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>> where
'life0: 'async_trait,
'life1: 'async_trait,
Self: 'async_trait,

fn from_stream<'life0, 'async_trait, D>(
txn: Txn,
decoder: &'life0 mut D
) -> Pin<Box<dyn Future<Output = Result<Self, D::Error>> + Send + 'async_trait>> where
D: 'async_trait + Decoder,
'life0: 'async_trait,
Self: 'async_trait,

fn into_view<'async_trait>(
self,
txn: Self::Txn
) -> Pin<Box<dyn Future<Output = TCResult<Self::View>> + Send + 'async_trait>> where
Self: 'async_trait,

fn load<'life0, 'async_trait>(
txn: &'life0 Txn,
schema: Schema,
dir: Dir
) -> Pin<Box<dyn Future<Output = TCResult<Self>> + Send + 'async_trait>> where
'life0: 'async_trait,
Self: 'async_trait,

fn commit<'life0, 'life1, 'async_trait>(
&'life0 self,
txn_id: &'life1 TxnId
) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>> where
'life0: 'async_trait,
'life1: 'async_trait,
Self: 'async_trait,

fn finalize<'life0, 'life1, 'async_trait>(
&'life0 self,
txn_id: &'life1 TxnId
) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>> where
'life0: 'async_trait,
'life1: 'async_trait,
Self: 'async_trait,

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<F, T> CastFrom<F> for T where
T: From<F>,

impl<T, F> CastInto<F> for T where
F: CastFrom<T>,

impl<T, U> Into<U> for T where
U: From<T>,

fn matches<T>(&self) -> bool where
T: TryCastFrom<Self>,

impl<T> ToOwned for T where
T: Clone,

impl<F, T> TryCastFrom<F> for T where
T: CastFrom<F>,

fn try_cast_from<Err, OnErr>(value: T, on_err: OnErr) -> Result<Self, Err> where
OnErr: FnOnce(&T) -> Err,

impl<F, T> TryCastInto<T> for F where
T: TryCastFrom<F>,

fn try_cast_into<Err, OnErr>(self, on_err: OnErr) -> Result<T, Err> where
OnErr: FnOnce(&Self) -> Err,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,