public static void trace(@Nonnull CloudProvider provider, @Nonnull String apiCall) { if (logger.isInfoEnabled()) { ProviderContext ctx = provider.getContext(); String accountNumber = getAccountNumber(ctx); String callName = provider.getProviderName().replaceAll(DELIMITER_REGEX, "_") + DELIMITER + provider.getCloudName().replaceAll(DELIMITER_REGEX, "_") + DELIMITER + accountNumber.replaceAll(DELIMITER_REGEX, "_") + DELIMITER + apiCall; try { CloudOperation current = null; if (logger.isDebugEnabled()) { long thread = Thread.currentThread().getId(); current = operations.get(thread); if (current != null) { while (current.currentChild != null) { current = current.currentChild; } current.calls++; } } synchronized (apiCount) { if (apiCount.containsKey(callName)) { apiCount.put(callName, apiCount.get(callName) + 1); } else { apiCount.put(callName, 1L); } } if (logger.isTraceEnabled()) { if (current != null) { if (current.apiCalls == null) { current.apiCalls = new ArrayList<String>(); } current.apiCalls.add(apiCall); } } } catch (Throwable t) { logger.warn("Error with API trace trace: " + t.getMessage()); } } }