LiveQuery

Struct LiveQuery 

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pub struct LiveQuery<R: View>(/* private fields */);

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impl<R: View> LiveQuery<R>

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pub async fn wait_initialized(&self)

Wait for the LiveQuery to be fully initialized with initial states

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pub fn resultset(&self) -> ResultSet<R>

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pub fn loaded(&self) -> bool

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pub fn ids(&self) -> Vec<EntityId>

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pub fn ids_sorted(&self) -> Vec<EntityId>

Methods from Deref<Target = EntityLiveQuery>§

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pub async fn wait_initialized(&self)

Wait for the LiveQuery to be fully initialized with initial states

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pub fn update_selection( &self, new_selection: impl TryInto<Selection, Error = impl Into<RetrievalError>>, ) -> Result<(), RetrievalError>

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pub async fn update_selection_wait( &self, new_selection: impl TryInto<Selection, Error = impl Into<RetrievalError>>, ) -> Result<(), RetrievalError>

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pub fn error(&self) -> Option<RetrievalError>

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pub fn query_id(&self) -> QueryId

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pub fn weak(&self) -> WeakEntityLiveQuery

Create a weak reference to this LiveQuery

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pub fn mark_initialized(&self, version: u32)

Mark initialization as complete for a given version

Trait Implementations§

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impl<R: Clone + View> Clone for LiveQuery<R>

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fn clone(&self) -> LiveQuery<R>

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<R: View> Deref for LiveQuery<R>

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type Target = EntityLiveQuery

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.
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impl<R: View + Clone + 'static> Get<Vec<R>> for LiveQuery<R>

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fn get(&self) -> Vec<R>

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impl<R: View + Clone + 'static> Peek<Vec<R>> for LiveQuery<R>

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fn peek(&self) -> Vec<R>

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impl<R: View> Signal for LiveQuery<R>

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fn listen(&self, listener: Listener) -> ListenerGuard

Listen to changes to this signal with a listener function
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fn broadcast_id(&self) -> BroadcastId

Get the broadcast identifier for this signal. Multiple signals may return the same broadcast_id if they share a broadcast. The broadcast_id remains valid as a deduplication key as long as any ListenerGuard for that broadcast exists.
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impl<R> Subscribe<ChangeSet<R>> for LiveQuery<R>
where R: Clone + Send + Sync + 'static + View,

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fn subscribe<L>(&self, listener: L) -> SubscriptionGuard

Subscribe to changes with a listener that receives the new value

Auto Trait Implementations§

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impl<R> Freeze for LiveQuery<R>

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impl<R> !RefUnwindSafe for LiveQuery<R>

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impl<R> Send for LiveQuery<R>
where R: Send,

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impl<R> Sync for LiveQuery<R>
where R: Sync,

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impl<R> Unpin for LiveQuery<R>
where R: Unpin,

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impl<R> !UnwindSafe for LiveQuery<R>

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

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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,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<S, T> DynSubscribe<T> for S
where T: 'static, S: Subscribe<T>,

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fn dyn_subscribe( &self, listener: Box<dyn Fn(T) + Sync + Send>, ) -> SubscriptionGuard

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Iterable<T> for T

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type Iter<'a> = Once<&'a T> where T: 'a

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fn iterable(&self) -> <T as Iterable<T>>::Iter<'_>

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impl<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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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, S> GetAndDynSubscribe<T> for S
where T: 'static, S: Get<T> + Peek<T> + DynSubscribe<T>,