Class MetricsSegmentListener

  • All Implemented Interfaces:

    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 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
        segment - The segment that has just ended