Struct holochain_state::query::Txns

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pub struct Txns<'borrow, 'txn> { /* private fields */ }

Expand description

Wrapper around a collection of Txns, to which trait impls are attached

Trait Implementations

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impl<'borrow, 'txn> From<&'borrow [&'borrow Transaction<'txn>]> for Txns<'borrow, 'txn>

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fn from(txns: &'borrow Transactions<'borrow, 'txn>) -> Self

Converts to this type from the input type.

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impl<'stmt> Store for Txns<'stmt, '_>

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fn get_entry(&self, hash: &EntryHash) -> StateQueryResult<Option<Entry>>

Get an [Entry] from this store.

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fn contains_entry(&self, hash: &EntryHash) -> StateQueryResult<bool>

Check if an entry is contained in the store

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fn contains_header(&self, hash: &HeaderHash) -> StateQueryResult<bool>

Check if a header is contained in the store

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fn get_header(
&self,
hash: &HeaderHash
) -> StateQueryResult<Option<SignedHeaderHashed>>

Get an [SignedHeaderHashed] from this store.

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fn get_element(&self, hash: &AnyDhtHash) -> StateQueryResult<Option<Element>>

Get an [Element] from this store.

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fn get_public_or_authored_entry(
 &self,
 hash: &EntryHash,
 author: Option<&AgentPubKey>
) -> StateQueryResult<Option<Entry>>

Get an [Entry] from this store. Read more

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fn get_public_or_authored_element(
 &self,
 hash: &AnyDhtHash,
 author: Option<&AgentPubKey>
) -> StateQueryResult<Option<Element>>

Get an [Element] from this store that is either public or authored by the given key. Read more

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fn contains_hash(&self, hash: &AnyDhtHash) -> StateQueryResult<bool>

Check if a hash is contained in the store

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impl<'stmt, Q: Query> Stores<Q> for Txns<'stmt, '_>

type O = QueryStmts<'stmt, Q>

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fn get_initial_data(&self, query: Q) -> StateQueryResult<Self::O>

Gets the raw initial data from the database, needed to begin the query.

Auto Trait Implementations

impl<'borrow, 'txn> !RefUnwindSafe for Txns<'borrow, 'txn>

impl<'borrow, 'txn> !Send for Txns<'borrow, 'txn>

impl<'borrow, 'txn> !Sync for Txns<'borrow, 'txn>

impl<'borrow, 'txn> Unpin for Txns<'borrow, 'txn> where
'txn: 'borrow,

impl<'borrow, 'txn> !UnwindSafe for Txns<'borrow, 'txn>

Blanket Implementations

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Any for T where
T: Any + ?Sized,

fn type_id_compat(&self) -> TypeId

TODO: once 1.33.0 is the minimum supported compiler version, remove Any::type_id_compat and use StdAny::type_id instead. https://github.com/rust-lang/rust/issues/27745 Read more

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

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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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

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> FutureExt for T

fn with_context(self, otel_cx: Context) -> WithContext<Self>

Attaches the provided Context to this type, returning a WithContext wrapper. Read more

fn with_current_context(self) -> WithContext<Self>

Attaches the current Context to this type, returning a WithContext wrapper. Read more

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impl<T> Instrument for T

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

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

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fn in_current_span(self) -> Instrumented<Self>

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

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impl<T> Instrument for T

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

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

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fn in_current_span(self) -> Instrumented<Self>

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

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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.

impl<T> Pointable for T

const ALIGN: usize = mem::align_of::()

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

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impl<T> Same<T> for T

type Output = T

Should always be Self

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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.

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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

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impl<T> WithSubscriber for T

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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

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fn with_current_subscriber(self) -> WithDispatch<Self>

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

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impl<T> WithSubscriber for T

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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

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fn with_current_subscriber(self) -> WithDispatch<Self>

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

Struct holochain_state::query::Txns

Trait Implementations

impl<'borrow, 'txn> From<&'borrow [&'borrow Transaction<'txn>]> for Txns<'borrow, 'txn>

fn from(txns: &'borrow Transactions<'borrow, 'txn>) -> Self

impl<'stmt> Store for Txns<'stmt, '_>

fn get_entry(&self, hash: &EntryHash) -> StateQueryResult<Option<Entry>>

fn contains_entry(&self, hash: &EntryHash) -> StateQueryResult<bool>

fn contains_header(&self, hash: &HeaderHash) -> StateQueryResult<bool>

fn get_header( &self, hash: &HeaderHash) -> StateQueryResult<Option<SignedHeaderHashed>>

fn get_element(&self, hash: &AnyDhtHash) -> StateQueryResult<Option<Element>>

fn get_public_or_authored_entry( &self, hash: &EntryHash, author: Option<&AgentPubKey>) -> StateQueryResult<Option<Entry>>

fn get_public_or_authored_element( &self, hash: &AnyDhtHash, author: Option<&AgentPubKey>) -> StateQueryResult<Option<Element>>

fn contains_hash(&self, hash: &AnyDhtHash) -> StateQueryResult<bool>

impl<'stmt, Q: Query> Stores<Q> for Txns<'stmt, '_>

type O = QueryStmts<'stmt, Q>

fn get_initial_data(&self, query: Q) -> StateQueryResult<Self::O>

Auto Trait Implementations

impl<'borrow, 'txn> !RefUnwindSafe for Txns<'borrow, 'txn>

impl<'borrow, 'txn> !Send for Txns<'borrow, 'txn>

impl<'borrow, 'txn> !Sync for Txns<'borrow, 'txn>

impl<'borrow, 'txn> Unpin for Txns<'borrow, 'txn> where 'txn: 'borrow,

impl<'borrow, 'txn> !UnwindSafe for Txns<'borrow, 'txn>

Blanket Implementations

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

fn type_id(&self) -> TypeId

impl<T> Any for T where T: Any + ?Sized,

fn type_id_compat(&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<T> From<T> for T

fn from(t: T) -> T

impl<T> FutureExt for T

fn with_context(self, otel_cx: Context) -> WithContext<Self>

fn with_current_context(self) -> WithContext<Self>

impl<T> Instrument for T

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

fn in_current_span(self) -> Instrumented<Self>

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<T> Pointable for T

const ALIGN: usize = mem::align_of::()

type Init = T

unsafe fn init(init: <T as Pointable>::Init) -> usize

unsafe fn deref<'a>(ptr: usize) -> &'a T

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

unsafe fn drop(ptr: usize)

impl<T> Same<T> for T

type Output = T

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>

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 get_header(
&self,
hash: &HeaderHash
) -> StateQueryResult<Option<SignedHeaderHashed>>

fn get_public_or_authored_entry(
&self,
hash: &EntryHash,
author: Option<&AgentPubKey>
) -> StateQueryResult<Option<Entry>>

fn get_public_or_authored_element(
&self,
hash: &AnyDhtHash,
author: Option<&AgentPubKey>
) -> StateQueryResult<Option<Element>>

impl<'borrow, 'txn> Unpin for Txns<'borrow, 'txn> where
'txn: 'borrow,

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

impl<T> Any for T where
T: Any + ?Sized,

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

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

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

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>,

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