public void batchUpdate() {
if (executing) return;
synchronized (batchDaoLock) {
// 数据库不可用，则直接退出批量保存。
DbState ds = DbMonitor.getInstance().getMonitor(dataSource);
if (null != ds && !ds.isAvailable()) return;
if (null != executeThreadName) {
log.error("BatchDao[key=" + key + "] has already been executed by : " + executeThreadName);
}
executeThreadName = Thread.currentThread().getName();
// 取消保存成功标志判断，以免保存异常后临时保存队列无法清空
// boolean success = false;
try {
executing = true;
_doBatchUpdate();
// success = true;
} catch (CannotGetJdbcConnectionException e) {
// 数据库连接异常，通知监控模块
tracer.trace("batch dao1 exception: CannotGetJdbcConnectionException");
if (null != ds) ds.setAvailable(false);
} catch (BadSqlGrammarException e) {
// 语法错误，必须纠正。正确情况下，系统不应该打印此错误信息
tracer.trace("batch dao1 exception:" + e.getLocalizedMessage(), e);
} catch (Exception e) {
tracer.trace("batch dao1 exception:" + e.getLocalizedMessage(), e);
log.warn("batch dao1 exception:" + e.getLocalizedMessage(), e);
} finally {
executing = false;
}
executeThreadName = null;
}
}
public boolean hasDelayData() {
DbState ds = DbMonitor.getInstance().getMonitor(dataSource);
boolean result = System.currentTimeMillis() - lastIoTime >= delay && size() > 0;
if (null != ds) result = result && ds.isAvailable();
return result;
}