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根據三個維度繼續過濾
在上一節中我們實現了根據流量信息過濾的代碼,但是我們的條件有可能是多條件一起傳給我們的檢索服務的,本節我們繼續實現根據推廣單元的三個維度條件的過濾。
在SearchImpl類中添加過濾方法
public class SearchImpl implements ISearch { @Override public SearchResponse fetchAds(SearchRequest request) { ... // 根據三個維度過濾 if (featureRelation == FeatureRelation.AND) { filterKeywordFeature(adUnitIdSet, keywordFeature); filterHobbyFeature(adUnitIdSet, hobbyFeatrue); filterDistrictFeature(adUnitIdSet, districtFeature); targetUnitIdSet = adUnitIdSet; } else { getOrRelationUnitIds(adUnitIdSet, keywordFeature, hobbyFeatrue, districtFeature); } } return null; }
定義三個方法實現過濾
/** * 獲取三個維度各自滿足時的廣告id */ private Set<Long> getOrRelationUnitIds(Set<Long> adUnitIdsSet, KeywordFeature keywordFeature, HobbyFeatrue hobbyFeatrue, DistrictFeature districtFeature) { if (CollectionUtils.isEmpty(adUnitIdsSet)) return Collections.EMPTY_SET; // 我們在處理的時候,需要對副本進行處理,大家可以考慮一下為什么需要這么做? Set<Long> keywordUnitIdSet = new HashSet<>(adUnitIdsSet); Set<Long> hobbyUnitIdSet = new HashSet<>(adUnitIdsSet); Set<Long> districtUnitIdSet = new HashSet<>(adUnitIdsSet); filterKeywordFeature(keywordUnitIdSet, keywordFeature); filterHobbyFeature(hobbyUnitIdSet, hobbyFeatrue); filterDistrictFeature(districtUnitIdSet, districtFeature); // 返回它們的并集 return new HashSet<>( CollectionUtils.union( CollectionUtils.union(keywordUnitIdSet, hobbyUnitIdSet), districtUnitIdSet ) ); } /** * 根據傳遞的關鍵詞過濾 */ private void filterKeywordFeature(Collection<Long> adUnitIds, KeywordFeature keywordFeature) { if (CollectionUtils.isEmpty(adUnitIds)) return; if (CollectionUtils.isNotEmpty(keywordFeature.getKeywords())) { // 如果存在需要過濾的關鍵詞,查找索引實例對象進行過濾處理 CollectionUtils.filter( adUnitIds, adUnitId -> IndexDataTableUtils.of(UnitKeywordIndexAwareImpl.class) .match(adUnitId, keywordFeature.getKeywords()) ); } } /** * 根據傳遞的興趣信息過濾 */ private void filterHobbyFeature(Collection<Long> adUnitIds, HobbyFeatrue hobbyFeatrue) { if (CollectionUtils.isEmpty(adUnitIds)) return; // 如果存在需要過濾的興趣,查找索引實例對象進行過濾處理 if (CollectionUtils.isNotEmpty(hobbyFeatrue.getHobbys())) { CollectionUtils.filter( adUnitIds, adUnitId -> IndexDataTableUtils.of(UnitHobbyIndexAwareImpl.class) .match(adUnitId, hobbyFeatrue.getHobbys()) ); } } /** * 根據傳遞的地域信息過濾 */ private void filterDistrictFeature(Collection<Long> adUnitIds, DistrictFeature districtFeature) { if (CollectionUtils.isEmpty(adUnitIds)) return; // 如果存在需要過濾的地域信息,查找索引實例對象進行過濾處理 if (CollectionUtils.isNotEmpty(districtFeature.getProvinceAndCities())) { CollectionUtils.filter( adUnitIds, adUnitId -> { return IndexDataTableUtils.of(UnitDistrictIndexAwareImpl.class) .match(adUnitId, districtFeature.getProvinceAndCities()); } ); } }
根據推廣單元id獲取推廣創意
我們知道,推廣單元和推廣創意的關系是多對多,從上文我們查詢到了推廣單元ids,接下來我們實現根據推廣單元id獲取推廣創意的代碼,let's code.
首先,我們需要在com.sxzhongf.ad.index.creative_relation_unit.CreativeRelationUnitIndexAwareImpl 關聯索引中查到推廣創意的ids
/** * 通過推廣單元id獲取推廣創意id */ public List<Long> selectAdCreativeIds(List<AdUnitIndexObject> unitIndexObjects) { if (CollectionUtils.isEmpty(unitIndexObjects)) return Collections.emptyList(); //獲取要返回的廣告創意ids List<Long> result = new ArrayList<>(); for (AdUnitIndexObject unitIndexObject : unitIndexObjects) { //根據推廣單元id獲取推廣創意 Set<Long> adCreativeIds = unitRelationCreativeMap.get(unitIndexObject.getUnitId()); if (CollectionUtils.isNotEmpty(adCreativeIds)) result.addAll(adCreativeIds); } return result; }
然后得到了推廣創意的id list后,我們在創意索引實現類com.sxzhongf.ad.index.creative.CreativeIndexAwareImpl中定義根據ids查詢創意的方法。
/** * 根據ids獲取創意list */ public List<CreativeIndexObject> findAllByIds(Collection<Long> ids) { if (CollectionUtils.isEmpty(ids)) return Collections.emptyList(); List<CreativeIndexObject> result = new ArrayList<>(); for (Long id : ids) { CreativeIndexObject object = get(id); if (null != object) result.add(object); } return result; }
自此,我們已經得到了想要的推廣單元和推廣創意,因為推廣單元包含了推廣計劃,所以我們想要的數據已經全部可以獲取到了,接下來,我們還得過濾一次當前我們查詢到的數據的狀態,因為有的數據,我們可能已經進行過邏輯刪除了,因此還需要判斷獲取的數據是否有效。在SearchImpl類中實現。
/** * 根據狀態信息過濾數據 */ private void filterAdUnitAndPlanStatus(List<AdUnitIndexObject> unitIndexObjects, CommonStatus status) { if (CollectionUtils.isEmpty(unitIndexObjects)) return; //同時判斷推廣單元和推廣計劃的狀態 CollectionUtils.filter( unitIndexObjects, unitIndexObject -> unitIndexObject.getUnitStatus().equals(status.getStatus()) && unitIndexObject.getAdPlanIndexObject().getPlanStatus().equals(status.getStatus()) ); }
在SearchImpl中我們實現廣告創意的查詢.
... //獲取 推廣計劃 對象list List<AdUnitIndexObject> unitIndexObjects = IndexDataTableUtils.of(AdUnitIndexAwareImpl.class).fetch(adUnitIdSet); //根據狀態過濾數據 filterAdUnitAndPlanStatus(unitIndexObjects, CommonStatus.VALID); //獲取 推廣創意 id list List<Long> creativeIds = IndexDataTableUtils.of(CreativeRelationUnitIndexAwareImpl.class) .selectAdCreativeIds(unitIndexObjects); //根據 推廣創意ids獲取推廣創意 List<CreativeIndexObject> creativeIndexObjects = IndexDataTableUtils.of(CreativeIndexAwareImpl.class) ...
根據廣告位adslot 實現對創意數據的過濾
因為我們的廣告位是有不同的大小,不同的類型,因此,我們在獲取到所有符合我們查詢維度以及流量類型的條件后,還需要針對不同的廣告位來展示不同的廣告創意信息。
/** * 根據廣告位類型以及參數獲取展示的合適廣告信息 * * @param creativeIndexObjects 所有廣告創意 * @param width 廣告位width * @param height 廣告位height */ private void filterCreativeByAdSlot(List<CreativeIndexObject> creativeIndexObjects, Integer width, Integer height, List<Integer> type) { if (CollectionUtils.isEmpty(creativeIndexObjects)) return; CollectionUtils.filter( creativeIndexObjects, creative -> { //審核狀態必須是通過 return creative.getAuditStatus().equals(CommonStatus.VALID.getStatus()) && creative.getWidth().equals(width) && creative.getHeight().equals(height) && type.contains(creative.getType()); } ); }
組建搜索返回對象
正常業務場景中,同一個廣告位可以展示多個廣告信息,也可以只展示一個廣告信息,這個需要根據具體的業務場景來做不同的處理,本次為了演示方便,會從返回的創意列表中隨機選擇一個創意廣告信息進行展示,當然大家也可以根據業務類型,設置不同的優先級或者權重值來進行廣告選擇。
/** * 從創意列表中隨機獲取一條創意廣告返回出去 * * @param creativeIndexObjects 創意廣告list */ private List<SearchResponse.Creative> buildCreativeResponse(List<CreativeIndexObject> creativeIndexObjects) { if (CollectionUtils.isEmpty(creativeIndexObjects)) return Collections.EMPTY_LIST; //隨機獲取一個廣告創意,也可以實現優先級排序,也可以根據權重值等等,具體根據業務 CreativeIndexObject randomObject = creativeIndexObjects.get( Math.abs(new Random().nextInt()) % creativeIndexObjects.size() ); //List<SearchResponse.Creative> result = new ArrayList<>(); //result.add(SearchResponse.convert(randomObject)); return Collections.singletonList( SearchResponse.convert(randomObject) ); }
完整的請求過濾實現方法:
@Service @Slf4j public class SearchImpl implements ISearch { @Override public SearchResponse fetchAds(SearchRequest request) { //獲取請求廣告位信息 List<AdSlot> adSlotList = request.getRequestInfo().getAdSlots(); //獲取三個Feature信息 KeywordFeature keywordFeature = request.getFeatureInfo().getKeywordFeature(); HobbyFeatrue hobbyFeatrue = request.getFeatureInfo().getHobbyFeatrue(); DistrictFeature districtFeature = request.getFeatureInfo().getDistrictFeature(); //Feature關系 FeatureRelation featureRelation = request.getFeatureInfo().getRelation(); //構造響應對象 SearchResponse response = new SearchResponse(); Map<String, List<SearchResponse.Creative>> adSlotRelationAds = response.getAdSlotRelationAds(); for (AdSlot adSlot : adSlotList) { Set<Long> targetUnitIdSet; //根據流量類型從緩存中獲取 初始 廣告信息 Set<Long> adUnitIdSet = IndexDataTableUtils.of( AdUnitIndexAwareImpl.class ).match(adSlot.getPositionType()); // 根據三個維度過濾 if (featureRelation == FeatureRelation.AND) { filterKeywordFeature(adUnitIdSet, keywordFeature); filterHobbyFeature(adUnitIdSet, hobbyFeatrue); filterDistrictFeature(adUnitIdSet, districtFeature); targetUnitIdSet = adUnitIdSet; } else { targetUnitIdSet = getOrRelationUnitIds(adUnitIdSet, keywordFeature, hobbyFeatrue, districtFeature); } //獲取 推廣計劃 對象list List<AdUnitIndexObject> unitIndexObjects = IndexDataTableUtils.of(AdUnitIndexAwareImpl.class) .fetch(targetUnitIdSet); //根據狀態過濾數據 filterAdUnitAndPlanStatus(unitIndexObjects, CommonStatus.VALID); //獲取 推廣創意 id list List<Long> creativeIds = IndexDataTableUtils.of(CreativeRelationUnitIndexAwareImpl.class) .selectAdCreativeIds(unitIndexObjects); //根據 推廣創意ids獲取推廣創意 List<CreativeIndexObject> creativeIndexObjects = IndexDataTableUtils.of(CreativeIndexAwareImpl.class) .fetch(creativeIds); //根據 廣告位adslot 實現對創意數據的過濾 filterCreativeByAdSlot(creativeIndexObjects, adSlot.getWidth(), adSlot.getHeight(), adSlot.getType()); //一個廣告位可以展示多個廣告,也可以僅展示一個廣告,具體根據業務來定 adSlotRelationAds.put( adSlot.getAdSlotCode(), buildCreativeResponse(creativeIndexObjects) ); } return response; } ...
檢索服務對外提供
暴露API接口
上文中,我們實現了檢索服務的核心邏輯,接下來,我們需要對外暴露我們的廣告檢索服務接口,在SearchController中提供:
@PostMapping("/fetchAd") public SearchResponse fetchAdCreative(@RequestBody SearchRequest request) { log.info("ad-serach: fetchAd ->{}", JSON.toJSONString(request)); return search.fetchAds(request); }
實現API網關配置
zuul: routes: sponsor: #在路由中自定義服務路由名稱 path: /ad-sponsor/** serviceId: mscx-ad-sponsor #微服務name strip-prefix: false search: #在路由中自定義服務路由名稱 path: /ad-search/** serviceId: mscx-ad-search #微服務name strip-prefix: false prefix: /gateway/api strip-prefix: true #不對 prefix: /gateway/api 設置的路徑進行截取,默認轉發會截取掉配置的前綴
以上就是本次分享的全部知識點內容,感謝大家對億速云的支持
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