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NoOpObservabilityPlugin

Struct NoOpObservabilityPlugin 

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pub struct NoOpObservabilityPlugin;
Expand description

No-op observability plugin that does nothing

This implementation provides zero runtime cost when observability is disabled. All methods are inlined and compile to nothing in release builds.

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impl NoOpObservabilityPlugin

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pub fn new() -> Self

Create a new no-op plugin

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pub fn shared() -> Arc<Self>

Create an Arc’d no-op plugin for sharing

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impl Default for NoOpObservabilityPlugin

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl ObservabilityPlugin for NoOpObservabilityPlugin

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fn start_span(&self, _name: &str, _attributes: &[(&str, &str)]) -> SpanGuard

Start a new span and return a guard
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fn end_span(&self, _span_id: &str)

End a span by ID
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fn add_span_attribute(&self, _span_id: &str, _key: &str, _value: &str)

Add an attribute to an existing span
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fn set_span_status(&self, _span_id: &str, _status: SpanStatus)

Set the status of a span
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fn record_metric(&self, _name: &str, _value: f64, _labels: &[(&str, &str)])

Record a metric with labels
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fn log_structured(&self, _level: LogLevel, _message: &str, _fields: &JsonValue)

Log a structured message with fields
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fn write_log(&self, _message: &str)

Write log output (implementation-specific)
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fn flush(&self) -> ObservabilityResult<()>

Flush any pending telemetry data
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fn is_enabled(&self) -> bool

Check if the plugin is enabled
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fn plugin_type(&self) -> &'static str

Get the plugin name/type
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fn increment_counter(&self, name: &str, labels: &[(&str, &str)])

Increment a counter metric
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fn record_histogram(&self, name: &str, value: f64, labels: &[(&str, &str)])

Record a histogram value
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fn log(&self, level: LogLevel, message: &str)

Log a simple message

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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> 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, 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