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Remote private SearchHits.Total class (#39556) 

This is now possible as Lucene's `TotalHits` implements `equals`/`hashcode`,
all the other methods can be in-lined in `SearchHits` instead, no need for
a specific wrapper class.
This commit is contained in:
Luca Cavanna 2019-03-04 09:52:23 +01:00
parent b8659fcb83
commit 9ddaabba88
1 changed files with 9 additions and 49 deletions
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58
server/src/main/java/org/elasticsearch/search/SearchHits.java
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@ -55,7 +55,7 @@ public final class SearchHits implements Writeable, ToXContentFragment, Iterable
public static final SearchHit[] EMPTY = new SearchHit[0];
private final SearchHit[] hits;
private final Total totalHits;
private final TotalHits totalHits;
private final float maxScore;
@Nullable
private final SortField[] sortFields;
@ -71,7 +71,7 @@ public final class SearchHits implements Writeable, ToXContentFragment, Iterable
public SearchHits(SearchHit[] hits, @Nullable TotalHits totalHits, float maxScore, @Nullable SortField[] sortFields,
@Nullable String collapseField, @Nullable Object[] collapseValues) {
this.hits = hits;
this.totalHits = totalHits == null ? null : new Total(totalHits);
this.totalHits = totalHits;
this.maxScore = maxScore;
this.sortFields = sortFields;
this.collapseField = collapseField;
@ -80,7 +80,7 @@ public final class SearchHits implements Writeable, ToXContentFragment, Iterable
public SearchHits(StreamInput in) throws IOException {
if (in.readBoolean()) {
totalHits = new Total(in);
totalHits = Lucene.readTotalHits(in);
} else {
// track_total_hits is false
totalHits = null;
@ -111,7 +111,7 @@ public final class SearchHits implements Writeable, ToXContentFragment, Iterable
final boolean hasTotalHits = totalHits != null;
out.writeBoolean(hasTotalHits);
if (hasTotalHits) {
totalHits.writeTo(out);
Lucene.writeTotalHits(out, totalHits);
}
out.writeFloat(maxScore);
out.writeVInt(hits.length);
@ -131,8 +131,9 @@ public final class SearchHits implements Writeable, ToXContentFragment, Iterable
* The total number of hits for the query or null if the tracking of total hits
* is disabled in the request.
*/
@Nullable
public TotalHits getTotalHits() {
return totalHits == null ? null : totalHits.in;
return totalHits;
}
/**
@ -197,11 +198,12 @@ public final class SearchHits implements Writeable, ToXContentFragment, Iterable
builder.startObject(Fields.HITS);
boolean totalHitAsInt = params.paramAsBoolean(RestSearchAction.TOTAL_HITS_AS_INT_PARAM, false);
if (totalHitAsInt) {
long total = totalHits == null ? -1 : totalHits.in.value;
long total = totalHits == null ? -1 : totalHits.value;
builder.field(Fields.TOTAL, total);
} else if (totalHits != null) {
builder.startObject(Fields.TOTAL);
totalHits.toXContent(builder, params);
builder.field("value", totalHits.value);
builder.field("relation", totalHits.relation == Relation.EQUAL_TO ? "eq" : "gte");
builder.endObject();
}
if (Float.isNaN(maxScore)) {
@ -313,46 +315,4 @@ public final class SearchHits implements Writeable, ToXContentFragment, Iterable
throw new IllegalArgumentException("invalid total hits relation: " + relation);
}
}
private static String printRelation(Relation relation) {
return relation == Relation.EQUAL_TO ? "eq" : "gte";
}
private static class Total implements Writeable, ToXContentFragment {
final TotalHits in;
Total(TotalHits in) {
this.in = Objects.requireNonNull(in);
}
Total(StreamInput in) throws IOException {
this.in = Lucene.readTotalHits(in);
}
@Override
public void writeTo(StreamOutput out) throws IOException {
Lucene.writeTotalHits(out, in);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Total total = (Total) o;
return in.value == total.in.value &&
in.relation == total.in.relation;
}
@Override
public int hashCode() {
return Objects.hash(in.value, in.relation);
}
@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
builder.field("value", in.value);
builder.field("relation", printRelation(in.relation));
return builder;
}
}
}