public T register()

in core/src/main/java/com/spotify/metrics/core/SemanticMetricRegistry.java [117:133]

• 17 lines of code
• 4 McCabe index (conditional complexity)

    public <T extends Metric> T register(@NonNull final MetricId name, @NonNull final T metric)
        throws IllegalArgumentException {
        if (metric == null) {
            throw new IllegalArgumentException("A metric cannot be null");
        }
        if (metric instanceof SemanticMetricSet) {
            registerAll(name, (SemanticMetricSet) metric);
        } else {
            final Metric existing = metrics.putIfAbsent(name, metric);
            if (existing == null) {
                onMetricAdded(name, metric);
            } else {
                throw new IllegalArgumentException("A metric named " + name + " already exists");
            }
        }
        return metric;
    }