private void update()

in archaius2-core/src/main/java/com/netflix/archaius/config/PollingDynamicConfig.java [98:126]

• 27 lines of code
• 5 McCabe index (conditional complexity)

    private void update() throws Exception {
        // OK to ignore calls to update() if already busy updating 
        if (busy.compareAndSet(false, true)) {
            updateCounter.incrementAndGet();
            try {
                PollingResponse response = reader.call();
                if (response.hasData()) {
                    current = Collections.unmodifiableMap(response.getToAdd());
                    currentIds = Collections.unmodifiableMap(response.getNameToIdsMap());
                    notifyConfigUpdated(this);
                }
            }
            catch (Exception e) {
                LOG.trace("Error reading data from remote server ", e);
                
                errorCounter.incrementAndGet();
                try {
                    notifyError(e, this);
                }
                catch (Exception e2) {
                    LOG.warn("Failed to notify error observer", e2);
                }
                throw e;
            }
            finally {
                busy.set(false);
            }
        }
    }