if (index < futures.size()) {// 小于代表有错误，需要对未完成的记录进行cancel操作，对已完成的结果进行收集，做重复录入过滤记录
for (int errorIndex = 0; errorIndex < futures.size(); errorIndex++) {
Future future = futures.get(errorIndex);
if (future.isDone()) {
try {
LoadContext loadContext = (LoadContext) future.get();
if (loadContext instanceof DbLoadContext) {
dbInterceptor.error((DbLoadContext) loadContext);// 做一下出错处理，记录到store中
}
} catch (InterruptedException e) {
// ignore
} catch (ExecutionException e) {
// ignore
} catch (Exception e) {
logger.error("interceptor process error failed", e);
}
} else {
future.cancel(true); // 对未完成的进行取消
}
}
} else {
for (int i = 0; i < futures.size(); i++) {// 收集一下正确处理完成的结果
Future future = futures.get(i);
try {
LoadContext loadContext = (LoadContext) future.get();
if (loadContext instanceof DbLoadContext) {
processedContexts.add((DbLoadContext) loadContext);
}
} catch (InterruptedException e) {