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媒体方(手机APP打开的展示广告,走在路上看到的大屏幕广告等等)
从上图我们可以看出,在媒体方向我们的广告检索系统发起请求的时候,请求中会有很多的请求参数信息,他们分为了三个部分,我们来编码封装这几个参数对象信息以及我们请求本身的信息。Let's code.
/**
* ISearch for 请求接口,
* 根据广告请求对象,获取广告响应信息
*
* @author Isaac.Zhang | 若初
*/
@FunctionalInterface
public interface ISearch {
/**
* 根据请求返回广告结果
*/
SearchResponse fetchAds(SearchRequest request);
}
mediaId
,RequestInfo
,FeatureInfo
@Data
@NoArgsConstructor
@AllArgsConstructor
public class SearchRequest {
//媒体方请求标示
private String mediaId;
//请求基本信息
private RequestInfo requestInfo;
//匹配信息
private FeatureInfo featureInfo;
@Data
@NoArgsConstructor
@AllArgsConstructor
public static class RequestInfo {
private String requestId;
private List adSlots;
private App app;
private Geo geo;
private Device device;
}
@Data
@NoArgsConstructor
@AllArgsConstructor
public static class FeatureInfo {
private KeywordFeature keywordFeature;
private DistrictFeature districtFeature;
private HobbyFeatrue hobbyFeatrue;
private FeatureRelation relation = FeatureRelation.AND;
}
}
其他的对象大家可以去github传送门 & gitee传送门 下载源码。
/**
* SearchResponse for 检索API响应对象
*
* @author Isaac.Zhang | 若初
*/
@Data
@Builder
@NoArgsConstructor
@AllArgsConstructor
public class SearchResponse {
//一个广告位,可以展示多个广告
//Map key为广告位 AdSlot#adSlotCode
public Map> adSlotRelationAds = new HashMap<>();
@Data
@Builder
@NoArgsConstructor
@AllArgsConstructor
public static class Creative {
private Long adId;
private String adUrl;
private Integer width;
private Integer height;
private Integer type;
private Integer materialType;
//展示监控url
private List showMonitorUrl = Arrays.asList("www.life-runner.com", "www.babydy.cn");
//点击监控url
private List clickMonitorUrl = Arrays.asList("www.life-runner.com", "www.babydy.cn");
}
/**
* 我们的检索服务针对的是内存中的索引检索,那么我们就需要一个转换方法
*/
public static Creative convert(CreativeIndexObject object) {
return Creative.builder()
.adId(object.getAdId())
.adUrl(object.getAdUrl())
.width(object.getWidth())
.height(object.getHeight())
.type(object.getType())
.materialType(object.getMaterialType())
.build();
}
}
流量类型本身属于推广单元下的类目,有很多种类贴片广告
,开屏广告
等等,这些类型需要同步到媒体方,媒体方会根据不同的流量类型发起不同的广告请求,我们需要先定义一个流量类型的信息类。
public class AdUnitConstants {
public static class PositionType{
//App启动时展示的、展示时间短暂的全屏化广告形式。
private static final int KAIPING = 1;
//电影开始之前的广告
private static final int TIEPIAN = 2;
//电影播放中途广告
private static final int TIEPIAN_MIDDLE = 4;
//暂停视频时候播放的广告
private static final int TIEPIAN_PAUSE = 8;
//视频播放完
private static final int TIEPIAN_POST = 16;
}
}
从上述类型的数字,我们可以看出是2的倍数,这是为了使用位运算提升性能。
在com.sxzhongf.ad.index.adunit.AdUnitIndexObject
中,我们添加类型校验方法:
public static boolean isAdSlotType(int adSlotType, int positionType) {
switch (adSlotType) {
case AdUnitConstants.PositionType.KAIPING:
return isKaiPing(positionType);
case AdUnitConstants.PositionType.TIEPIAN:
return isTiePian(positionType);
case AdUnitConstants.PositionType.TIEPIAN_MIDDLE:
return isTiePianMiddle(positionType);
case AdUnitConstants.PositionType.TIEPIAN_PAUSE:
return isTiePianPause(positionType);
case AdUnitConstants.PositionType.TIEPIAN_POST:
return isTiePianPost(positionType);
default:
return false;
}
}
/**
* 与运算,低位取等,高位补零。
* 如果 > 0,则为开屏
*/
private static boolean isKaiPing(int positionType) {
return (positionType & AdUnitConstants.PositionType.KAIPING) > 0;
}
private static boolean isTiePianMiddle(int positionType) {
return (positionType & AdUnitConstants.PositionType.TIEPIAN_MIDDLE) > 0;
}
private static boolean isTiePianPause(int positionType) {
return (positionType & AdUnitConstants.PositionType.TIEPIAN_PAUSE) > 0;
}
private static boolean isTiePianPost(int positionType) {
return (positionType & AdUnitConstants.PositionType.TIEPIAN_POST) > 0;
}
private static boolean isTiePian(int positionType) {
return (positionType & AdUnitConstants.PositionType.TIEPIAN) > 0;
}
无所如何,我们都是需要根据positionType进行数据查询过滤,我们在之前的com.sxzhongf.ad.index.adunit.AdUnitIndexAwareImpl
中添加2个方法来实现过滤:
/**
* 过滤当前是否存在满足positionType的UnitIds
*/
public Set match(Integer positionType) {
Set adUnitIds = new HashSet<>();
objectMap.forEach((k, v) -> {
if (AdUnitIndexObject.isAdSlotType(positionType, v.getPositionType())) {
adUnitIds.add(k);
}
});
return adUnitIds;
}
/**
* 根据UnitIds查询AdUnit list
*/
public List fetch(Collection adUnitIds) {
if (CollectionUtils.isEmpty(adUnitIds)) {
return Collections.EMPTY_LIST;
}
List result = new ArrayList<>();
adUnitIds.forEach(id -> {
AdUnitIndexObject object = get(id);
if (null == object) {
log.error("AdUnitIndexObject does not found:{}", id);
return;
}
result.add(object);
});
return result;
}
上述我们准备了一系列的查询方法,都是为了根据流量类型查询广告单元信息,我们现在开始实现我们的查询接口,查询接口中,我们可以获取到媒体方的请求对象信息,它带有一系列查询所需要的过滤参数:
/**
* SearchImpl for 实现search 服务
*
* @author Isaac.Zhang | 若初
*/
@Service
@Slf4j
public class SearchImpl implements ISearch {
@Override
public SearchResponse fetchAds(SearchRequest request) {
//获取请求广告位信息
List adSlotList = request.getRequestInfo().getAdSlots();
//获取三个Feature信息
KeywordFeature keywordFeature = request.getFeatureInfo().getKeywordFeature();
HobbyFeatrue hobbyFeatrue = request.getFeatureInfo().getHobbyFeatrue();
DistrictFeature districtFeature = request.getFeatureInfo().getDistrictFeature();
//Feature关系
FeatureRelation featureRelation = request.getFeatureInfo().getRelation();
//构造响应对象
SearchResponse response = new SearchResponse();
Map> adSlotRelationAds = response.getAdSlotRelationAds();
for (AdSlot adSlot : adSlotList) {
Set targetUnitIdSet;
//根据流量类型从缓存中获取 初始 广告信息
Set adUnitIdSet = IndexDataTableUtils.of(
AdUnitIndexAwareImpl.class
).match(adSlot.getPositionType());
}
return null;
}
}