diff options
Diffstat (limited to 'container-search/src/main/java/com/yahoo/search/ranking/WrappedHit.java')
-rw-r--r-- | container-search/src/main/java/com/yahoo/search/ranking/WrappedHit.java | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/container-search/src/main/java/com/yahoo/search/ranking/WrappedHit.java b/container-search/src/main/java/com/yahoo/search/ranking/WrappedHit.java new file mode 100644 index 00000000000..7c33b836e33 --- /dev/null +++ b/container-search/src/main/java/com/yahoo/search/ranking/WrappedHit.java @@ -0,0 +1,83 @@ +// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root. +package com.yahoo.search.ranking; + +import com.yahoo.search.result.FeatureData; +import com.yahoo.search.result.Hit; +import com.yahoo.tensor.Tensor; + +import static com.yahoo.searchlib.rankingexpression.Reference.RANKING_EXPRESSION_WRAPPER; + +import java.util.logging.Logger; + +class WrappedHit implements Comparable<WrappedHit> { + + private static final Logger logger = Logger.getLogger(WrappedHit.class.getName()); + private final Hit hit; + private final FeatureData matchFeatures; + private int idx = -1; + + private WrappedHit(Hit hit, FeatureData matchFeatures) { + this.hit = hit; + this.matchFeatures = matchFeatures; + } + + static WrappedHit from(Hit hit) { + if (hit.getField("matchfeatures") instanceof FeatureData mf) { + return new WrappedHit(hit, mf); + } else { + return null; + } + } + + double getScore() { + return hit.getRelevance().getScore(); + } + + void setScore(double value) { + hit.setRelevance(value); + } + + int getIdx() { + if (idx < 0) { + throw new IllegalStateException("Missing index"); + } + return idx; + } + + void setIdx(int value) { + if (idx == value) { + return; + } else if (idx < 0) { + idx = value; + } else { + throw new IllegalArgumentException("Cannot re-assign index " + idx + " -> " + value); + } + } + + public int compareTo(WrappedHit other) { + return hit.compareTo(other.hit); + } + + Tensor getTensor(String argName) { + var asTensor = matchFeatures.getTensor(argName); + if (asTensor == null) { + asTensor = matchFeatures.getTensor(alternate(argName)); + } + return asTensor; + } + + private static final String RE_PREFIX = RANKING_EXPRESSION_WRAPPER + "("; + private static final String RE_SUFFIX = ")"; + private static final int RE_PRE_LEN = RE_PREFIX.length(); + private static final int RE_SUF_LEN = RE_SUFFIX.length(); + + // rankingExpression(foo) <-> foo + static String alternate(String argName) { + if (argName.startsWith(RE_PREFIX) && argName.endsWith(RE_SUFFIX)) { + return argName.substring(RE_PRE_LEN, argName.length() - RE_SUF_LEN); + } else { + return RE_PREFIX + argName + RE_SUFFIX; + } + } + +} |