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+package com.tzld.piaoquan.ad.engine.service.score.scorer;
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+
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+import com.tzld.piaoquan.ad.engine.commons.score.AbstractScorer;
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+import com.tzld.piaoquan.ad.engine.commons.score.ScoreParam;
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+import com.tzld.piaoquan.ad.engine.commons.score.ScorerConfigInfo;
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+import com.tzld.piaoquan.ad.engine.commons.score.model.CreativeCalibrationModel;
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+import com.tzld.piaoquan.recommend.feature.domain.ad.base.AdRankItem;
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+import com.tzld.piaoquan.recommend.feature.domain.ad.base.UserAdFeature;
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+import org.apache.commons.collections4.CollectionUtils;
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+import org.apache.commons.lang.exception.ExceptionUtils;
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+import org.slf4j.Logger;
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+import org.slf4j.LoggerFactory;
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+
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+import java.util.ArrayList;
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+import java.util.Collections;
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+import java.util.List;
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+import java.util.Map;
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+import java.util.concurrent.*;
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+
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+public class CreativeCalibrationScorer extends AbstractScorer {
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+
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+
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+ private static final int LOCAL_TIME_OUT = 150;
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+ private static final Logger LOGGER = LoggerFactory.getLogger(CreativeCalibrationScorer.class);
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+ private static final ExecutorService executorService = Executors.newFixedThreadPool(128);
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+
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+ public CreativeCalibrationScorer(ScorerConfigInfo scorerConfigInfo) {
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+ super(scorerConfigInfo);
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+ }
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+
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+ @Override
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+ public void loadModel() {
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+ super.doLoadModel(CreativeCalibrationModel.class);
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+ }
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+
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+ @Override
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+ public List<AdRankItem> scoring(ScoreParam param, UserAdFeature userAdFeature, List<AdRankItem> rankItems) {
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+ throw new NoSuchMethodError();
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+ }
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+
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+ public List<AdRankItem> scoring(final Map<String, String> sceneFeatureMap,
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+ final Map<String, String> userFeatureMap,
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+ final List<AdRankItem> rankItems) {
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+ if (CollectionUtils.isEmpty(rankItems)) {
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+ return rankItems;
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+ }
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+
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+ long startTime = System.currentTimeMillis();
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+
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+ List<AdRankItem> result = rankByJava(sceneFeatureMap, userFeatureMap, rankItems);
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+
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+ LOGGER.debug("[CreativeCalibrationScorer] scoring items size={}, time={} ",
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+ result.size(), System.currentTimeMillis() - startTime);
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+
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+ return result;
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+ }
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+
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+ private List<AdRankItem> rankByJava(final Map<String, String> sceneFeatureMap,
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+ final Map<String, String> userFeatureMap,
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+ final List<AdRankItem> items) {
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+ long startTime = System.currentTimeMillis();
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+ CreativeCalibrationModel model = (CreativeCalibrationModel) this.getModel();
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+ LOGGER.debug("model size: [{}]", model.getModelSize());
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+
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+ // 所有都参与打分,按照ctr排序
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+ multipleCtrScore(items, userFeatureMap, sceneFeatureMap, model);
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+
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+ // debug log
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+ if (LOGGER.isDebugEnabled()) {
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+ for (AdRankItem item : items) {
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+ LOGGER.debug("before enter feeds model predict ctr score [{}] [{}]", item, item);
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+ }
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+ }
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+
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+ Collections.sort(items);
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+
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+ LOGGER.debug("[CreativeCalibrationScorer] items size={}, cost={} ",
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+ items.size(), System.currentTimeMillis() - startTime);
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+ return items;
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+ }
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+
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+ private void multipleCtrScore(final List<AdRankItem> items,
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+ final Map<String, String> userFeatureMap,
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+ final Map<String, String> sceneFeatureMap,
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+ final CreativeCalibrationModel model) {
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+
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+ List<Callable<Object>> calls = new ArrayList<Callable<Object>>();
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+ for (int index = 0; index < items.size(); index++) {
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+ final int fIndex = index;
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+ calls.add(new Callable<Object>() {
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+ @Override
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+ public Object call() throws Exception {
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+ try {
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+ calcScore(model, items.get(fIndex), userFeatureMap, sceneFeatureMap);
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+ } catch (Exception e) {
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+ LOGGER.error("ctr exception: [{}] [{}]", items.get(fIndex), ExceptionUtils.getFullStackTrace(e));
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+ }
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+ return new Object();
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+ }
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+ });
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+ }
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+
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+ List<Future<Object>> futures = null;
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+ try {
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+ futures = executorService.invokeAll(calls, LOCAL_TIME_OUT, TimeUnit.MILLISECONDS);
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+ } catch (InterruptedException e) {
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+ LOGGER.error("execute invoke fail: {}", ExceptionUtils.getFullStackTrace(e));
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+ }
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+
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+ // 等待所有请求的结果返回, 超时也返回
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+ int cancel = 0;
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+ if (futures != null) {
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+ for (Future<Object> future : futures) {
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+ try {
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+ if (!future.isDone() || future.isCancelled() || future.get() == null) {
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+ cancel++;
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+ }
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+ } catch (InterruptedException e) {
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+ LOGGER.error("InterruptedException: ", e);
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+ } catch (ExecutionException e) {
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+ LOGGER.error("ExecutionException {},", sceneFeatureMap.size(), e);
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+ }
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+ }
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+ }
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+ }
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+
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+ public double calcScore(final CreativeCalibrationModel model,
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+ final AdRankItem item,
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+ final Map<String, String> userFeatureMap,
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+ final Map<String, String> sceneFeatureMap) {
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+ double ctcvrScore = item.getLrScore();
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+ double newCtcvrScore = ctcvrScore;
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+ try {
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+
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+ double diffRate = model.getDiffRate(item.getAdId());
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+ newCtcvrScore = ctcvrScore / (1 + diffRate);
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+ item.setLrScore(newCtcvrScore);
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+ item.getScoreMap().put("diff_rate", diffRate);
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+ item.getScoreMap().put("originCtcvrScore", ctcvrScore);
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+ item.getScoreMap().put("ctcvrScore", newCtcvrScore);
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+ } catch (Exception e) {
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+ LOGGER.error("[score calibration] calcScore error: ", e);
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+ }
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+
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+ return newCtcvrScore;
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+ }
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+
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+}
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