java8根據字段過濾list

ConstructionAppropriationEntity fundAppropriationQuery = new ConstructionAppropriationEntity();
List<ConstructionAppropriationEntity> fundAppropriationEntityList = appropriationService.findList(fundAppropriationQuery).stream()
.filter(

fundAppropriationQuery 

-> projectIdList.contains(

fundAppropriationQuery 

.getProjectId())).collect(Collectors.toList());

=======================

public List<GeneralChartModel<String, List<GeneralChartModel<String, Double>>>> fundAppropriationStatisticsV2(List<ConstructionAppropriationEntity> fundAppropriationEntities, Optional<Tuple2<Integer, Integer>> yearMonthOptional) {
    List<ConstructionAppropriationEntity> fundAppropriationEntityList = fundAppropriationEntities.stream()
            .filter(entity -> yearMonthOptional.map(yM -> yM.v1().equals(entity.getYear()) && yM.v2().equals(entity.getMonth())).orElse(true)).collect(Collectors.toList());