private void setLogLevelBasedOnSamplingRate()

in powertools-logging/src/main/java/software/amazon/lambda/powertools/logging/internal/LambdaLoggingAspect.java [125:153]

• 22 lines of code
• 6 McCabe index (conditional complexity)

    private void setLogLevelBasedOnSamplingRate(final ProceedingJoinPoint pjp,
                                                final Logging logging) {
        double samplingRate = samplingRate(logging);

        if (isHandlerMethod(pjp)) {

            if (samplingRate < 0 || samplingRate > 1) {
                LOG.debug("Skipping sampling rate configuration because of invalid value. Sampling rate: {}", samplingRate);
                return;
            }

            appendKey("samplingRate", String.valueOf(samplingRate));

            if (samplingRate == 0) {
                return;
            }

            float sample = SAMPLER.nextFloat();

            if (samplingRate > sample) {
                resetLogLevels(Level.DEBUG);

                LOG.debug("Changed log level to DEBUG based on Sampling configuration. " +
                        "Sampling Rate: {}, Sampler Value: {}.", samplingRate, sample);
            } else if (LEVEL_AT_INITIALISATION != LOG.getLevel()) {
                resetLogLevels(LEVEL_AT_INITIALISATION);
            }
        }
    }