MetricsSegmentListener

java.lang.Object
- com.amazonaws.xray.metrics.MetricsSegmentListener

All Implemented Interfaces:

SegmentListener
```
public class MetricsSegmentListener
extends java.lang.Object
implements SegmentListener
```
Listener that extracts metrics from Segments and emits them to CloudWatch using a structured log mechanism. Structured logs are sent via UDP to the CloudWatch agent. Configuration of UDP metric emissions is described in MetricsDaemonConfiguration. For a list of supported metrics see EMFMetricFormatter.

Constructor Summary

Constructors
Constructor Description

MetricsSegmentListener()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`afterEndSegment(Segment segment)`	afterEndSegment is invoked after a segment is ended by the recorder and emitted to the daemon.

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

Methods inherited from interface com.amazonaws.xray.listeners.SegmentListener
afterEndSubsegment, beforeEndSegment, beforeEndSubsegment, onBeginSegment, onBeginSubsegment, onClearEntity, onSetEntity

- Constructor Detail
  - MetricsSegmentListener
```
public MetricsSegmentListener()
```
- Method Detail
  - afterEndSegment
```
public void afterEndSegment(Segment segment)
```
    Description copied from interface: SegmentListener
    
    afterEndSegment is invoked after a segment is ended by the recorder and emitted to the daemon. The segment must not be modified since it has already been sent to X-Ray's backend. Attempts to do so will raise an AlreadyEmittedException.
    
    Specified by:
    
    afterEndSegment in interface SegmentListener
    
    Parameters:
    
    segment - The segment that has just ended