public ExecutorService getExecutorService() { if (executorService == null) { synchronized (this) { if (executorService == null) { executorService = ExecutorServiceUtil.newExecutorService(); } } } return executorService; }
public ExecutorService getExecutorService() { if (executorService == null) { synchronized (this) { if (executorService == null) { executorService = ExecutorServiceUtil.newExecutorService(); } } } return executorService; }