Lambda表达式实用

public List<SettlementExportView> querySettlementExport(SettlementDemandQueryReq req) {
JdbcQuery.Builder queryBuilder = JdbcQuery.from(SettlementExportView.class);
SettlementExportViewMetaData md = SettlementExportViewMetaData.instance;
DateFormat format = new SimpleDateFormat("yyyy-MM-dd");
//开始结束日期
querySettleCondition(req, DemandViewEntityMetaData.instance, queryBuilder); List<SettlementExportView> list = InstanceFactory.getInstance(SettlementExportViewDao.class).query(queryBuilder.build());
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
return list.stream()
.filter(input -> input.getScore()!=null && input.getScore() > 0)
.map(view -> {
if (view.getUploadQuantity() == null) {
view.setUploadQuantity(0d);
}
if (view.getFinishQuantity() == null) {
view.setFinishQuantity(0d);
}
switch (view.getStatus()) {
case SETTLEMENT:
view.setStatusName("已结算");
view.setSettlePeriod(dateFormat.format(view.getSettlementDate()));
break;
case FINISH:
if (view.isNeedCheck()) {
view.setNeedCheckStr("Y");
}else{
view.setNeedCheckStr("N");
}
if (view.getSettlementDate() != null) {
view.setStatusName("已结算");
view.setSettlePeriod(dateFormat.format(view.getSettlementDate()));
}
break;
default:
view.setStatusName("未结算");
view.setFinishDate(null);
}
return view;
})
.collect(Collectors.toList()); }
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