InteractionMetrics (Vert.x Stack - Docs 5.0.0.CR3 API)

All Known Implementing Classes:

DefaultInteractionMetrics
```
@Unstable
public interface InteractionMetrics<M>
```
Gather metrics for a request/response interaction with the server, this interface is write-only and used to report usage to build statistics for a load balancing purpose.

Author:

Julien Viet

Field Summary

Fields
Modifier and Type Field Description

static InteractionMetrics<?> INSTANCE

Method Summary

All Methods Instance Methods Default Methods
Modifier and Type	Method	Description
`default M`	`initiateRequest()`	Initiate a request
`default void`	`reportFailure(M metric, Throwable failure)`	Signal the failure of a request/response to the `metric`
`default void`	`reportRequestBegin(M metric)`	Signal the beginning of the request attached to the `metric`
`default void`	`reportRequestEnd(M metric)`	Signal the end of the request attached to the `metric`
`default void`	`reportResponseBegin(M metric)`	Signal the beginning of the response attached to the `metric`
`default void`	`reportResponseEnd(M metric)`	Signal the end of the response attached to the `metric`

- Field Detail
  - INSTANCE
```
static final InteractionMetrics<?> INSTANCE
```
- Method Detail
  - initiateRequest
```
default M initiateRequest()
```
    Initiate a request
    
    Returns:
    
    the request metric
  - reportFailure
```
default void reportFailure(M metric,
                           Throwable failure)
```
    Signal the failure of a request/response to the metric
    
    Parameters:
    
    metric - the request metric
    
    failure - the failure
  - reportRequestBegin
```
default void reportRequestBegin(M metric)
```
    Signal the beginning of the request attached to the metric
    
    Parameters:
    
    metric - the request/response metric
  - reportRequestEnd
```
default void reportRequestEnd(M metric)
```
    Signal the end of the request attached to the metric
    
    Parameters:
    
    metric - the request/response metric
  - reportResponseBegin
```
default void reportResponseBegin(M metric)
```
    Signal the beginning of the response attached to the metric
    
    Parameters:
    
    metric - the request/response metric
  - reportResponseEnd
```
default void reportResponseEnd(M metric)
```
    Signal the end of the response attached to the metric
    
    Parameters:
    
    metric - the request metric