Examples with KafkaMetricException com.ibm.streamsx.kafka.KafkaMetricException used on opensource projects

Example 6 with KafkaMetricException

use of com.ibm.streamsx.kafka.KafkaMetricException in project streamsx.kafka by IBMStreams.

the class AbstractCustomMetricReporter method tryCreateCustomMetric.

/**
 * creates a custom metric if it is not yet present.
 * The custom metric name is created using {@link #createCustomMetricName(MetricName)}.
 * @param metric The name of the Kafka metric
 */
private void tryCreateCustomMetric(final Metric metric) {
    final MetricName metricName = metric.metricName();
    try {
        final String customMetricName = createCustomMetricName(metricName);
        OperatorMetrics operatorMetrics = operatorCtx.getMetrics();
        if (operatorMetrics.getCustomMetrics().containsKey(customMetricName)) {
            trace.info("Custom metric already created: " + customMetricName);
            operatorMetrics.getCustomMetric(customMetricName).setValue(getFilter().getConverter(metric).convert(metric.metricValue()));
            return;
        }
        operatorMetrics.createCustomMetric(customMetricName, metricName.description(), com.ibm.streams.operator.metrics.Metric.Kind.GAUGE);
        operatorMetrics.getCustomMetric(customMetricName).setValue(getFilter().getConverter(metric).convert(metric.metricValue()));
        trace.info("custom metric created: " + customMetricName + " (" + metricName.description() + ")");
    } catch (KafkaMetricException e) {
        trace.warn("Cannot create custom metric from Kafka metric '" + metricName + "': " + e.getLocalizedMessage());
    }
}