HttpClientMetrics (instrumentation-api 1.4.1 API)

java.lang.Object
- io.opentelemetry.instrumentation.api.instrumenter.http.HttpClientMetrics

All Implemented Interfaces:

RequestListener
```
@UnstableApi
public final class HttpClientMetrics
extends Object
implements RequestListener
```
RequestListener which keeps track of HTTP client metrics.
To use this class, you may need to add the opentelemetry-api-metrics artifact to your dependencies.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`end(io.opentelemetry.context.Context context, io.opentelemetry.api.common.Attributes responseAttributes)`	Listener method that is called at the end of a request.
`static RequestMetrics`	`get()`	Returns a `RequestMetrics` which can be used to enable recording of `HttpClientMetrics` on an `InstrumenterBuilder`.
`io.opentelemetry.context.Context`	`start(io.opentelemetry.context.Context context, io.opentelemetry.api.common.Attributes requestAttributes)`	Listener method that is called at the start of a request.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - get
```
@UnstableApi
public static RequestMetrics get()
```
    Returns a RequestMetrics which can be used to enable recording of HttpClientMetrics on an InstrumenterBuilder.
  - start
```
public io.opentelemetry.context.Context start(io.opentelemetry.context.Context context,
                                              io.opentelemetry.api.common.Attributes requestAttributes)
```
    Description copied from interface: RequestListener
    
    Listener method that is called at the start of a request. If any state needs to be kept between the start and end of the request, e.g., an in-progress span, it should be added to the passed in Context and returned.
    
    Specified by:
    
    start in interface RequestListener
  - end
```
public void end(io.opentelemetry.context.Context context,
                io.opentelemetry.api.common.Attributes responseAttributes)
```
    Description copied from interface: RequestListener
    
    Listener method that is called at the end of a request.
    
    Specified by:
    
    end in interface RequestListener