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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.handler;
import com.yahoo.container.handler.Timing;
import com.yahoo.container.logging.HitCounts;
import com.yahoo.search.Query;
import com.yahoo.search.Result;
import com.yahoo.search.result.ErrorHit;
import com.yahoo.search.result.ErrorMessage;
import com.yahoo.search.result.Hit;
import java.util.ArrayList;
import java.util.Iterator;
/**
* Some leftover static methods.
*
* @author Steinar Knutsen
*/
public class SearchResponse {
// Remove (the empty) summary feature field if not requested.
static void removeEmptySummaryFeatureFields(Result result) {
// TODO: Move to some searcher in Vespa backend search chains
if ( ! result.hits().getQuery().getRanking().getListFeatures())
for (Iterator<Hit> i = result.hits().unorderedIterator(); i.hasNext();)
i.next().removeField(Hit.RANKFEATURES_FIELD);
}
static void trimHits(Result result) {
if (result.getConcreteHitCount() > result.hits().getQuery().getHits()) {
result.hits().trim(0, result.hits().getQuery().getHits());
}
}
static Iterator<? extends ErrorMessage> getErrorIterator(ErrorHit h) {
if (h == null) {
return new ArrayList<ErrorMessage>(0).iterator();
} else {
return h.errorIterator();
}
}
static boolean isSuccess(Result result) {
if (result.hits().getErrorHit() == null) return true;
for (Hit hit : result.hits()) {
if (hit.isMeta()) continue;
if ( ! hit.isFillable() || ! hit.getFilled().isEmpty()) return true;
}
return false;
}
public static Timing createTiming(Query query, Result result) {
long summaryStartTime = result.getElapsedTime().firstFill();
long queryStartTime = result.getElapsedTime().first();
return new Timing(summaryStartTime,
0,
queryStartTime == Long.MAX_VALUE ? 0 : queryStartTime,
query.getTimeout());
}
public static HitCounts createHitCounts(Query query, Result result) {
com.yahoo.container.handler.Coverage coverage = result.getCoverage(false);
return (coverage != null)
? new HitCounts(result.getHitCount(), result.getConcreteHitCount(), result.getTotalHitCount(),
query.getHits(), query.getOffset(), coverage.toLoggingCoverage())
: new HitCounts(result.getHitCount(), result.getConcreteHitCount(), result.getTotalHitCount(),
query.getHits(), query.getOffset(), null);
}
}
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