SynchronousInstrument (opentelemetry-api 0.12.0 API)

Type Parameters:

B - the specific type of Bound Instrument this instrument can provide.

All Superinterfaces:

Instrument

All Known Subinterfaces:

DoubleCounter, DoubleUpDownCounter, DoubleValueRecorder, LongCounter, LongUpDownCounter, LongValueRecorder
```
@ThreadSafe
public interface SynchronousInstrument<B extends SynchronousInstrument.BoundInstrument>
extends Instrument
```
SynchronousInstrument is an interface that defines a type of instruments that are used to report measurements synchronously. That is, when the user reports individual measurements as they occur.
Synchronous instrument events additionally have a Context associated with them, describing properties of the associated trace and distributed correlation values.

Nested Class Summary

Nested Classes
Modifier and Type	Interface	Description
`static interface`	`SynchronousInstrument.BoundInstrument`
`static interface`	`SynchronousInstrument.Builder`	Builder class for `SynchronousInstrument`.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type Method Description

B bind(Labels labels)
Returns a Bound Instrument associated with the specified labels.

- Method Detail
  - bind
```
B bind(Labels labels)
```
    Returns a Bound Instrument associated with the specified labels. Multiples requests with the same set of labels may return the same Bound Instrument instance.
    It is recommended that callers keep a reference to the Bound Instrument instead of always calling this method for every operation.
    
    Parameters:
    
    labels - the set of labels, as key-value pairs.
    
    Returns:
    
    a Bound Instrument
    
    Throws:
    
    java.lang.NullPointerException - if labelValues is null.