package project.monitor.job.transferfrom; import java.util.concurrent.ConcurrentLinkedQueue; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import project.monitor.model.AutoMonitorOrder; public class TransferFromConfirmQueue { private static final Logger logger = LoggerFactory.getLogger(TransferFromConfirmQueue.class); private static ConcurrentLinkedQueue WORKING_EVENTS = new ConcurrentLinkedQueue(); public static void add(AutoMonitorOrder item) { try { WORKING_EVENTS.add(item); } catch (Throwable e) { logger.error("add(AutoMonitorOrder item) fail : ", e); } } public static int size() { return WORKING_EVENTS.size(); } public static AutoMonitorOrder poll() { AutoMonitorOrder item = null; try { item = WORKING_EVENTS.poll(); } catch (Throwable e) { logger.error("TransferFromConfirmQueue poll() fail : ", e); } return item; } }