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Fix Tring to Mutate Immutable Collections 

Fixes two spots where #44665 caused a previously mutable collection to now be read as an immutable one, leading to errors
This commit is contained in:
Armin Braun 2019-07-22 10:47:28 +02:00
parent b9067ba1ba
commit a6adcecd20
2 changed files with 17 additions and 8 deletions
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23
modules/aggs-matrix-stats/src/main/java/org/elasticsearch/search/aggregations/matrix/stats/RunningStats.java
View File

@ -82,19 +82,28 @@ public class RunningStats implements Writeable, Cloneable {
// read doc count
docCount = (Long)in.readGenericValue();
// read fieldSum
fieldSum = (HashMap<String, Double>)in.readGenericValue();
fieldSum = convertIfNeeded((Map<String, Double>)in.readGenericValue());
// counts
counts = (HashMap<String, Long>)in.readGenericValue();
counts = convertIfNeeded((Map<String, Long>)in.readGenericValue());
// means
means = (HashMap<String, Double>)in.readGenericValue();
means = convertIfNeeded((Map<String, Double>)in.readGenericValue());
// variances
variances = (HashMap<String, Double>)in.readGenericValue();
variances = convertIfNeeded((Map<String, Double>)in.readGenericValue());
// skewness
skewness = (HashMap<String, Double>)in.readGenericValue();
skewness = convertIfNeeded((Map<String, Double>)in.readGenericValue());
// kurtosis
kurtosis = (HashMap<String, Double>)in.readGenericValue();
kurtosis = convertIfNeeded((Map<String, Double>)in.readGenericValue());
// read covariances
covariances = (HashMap<String, HashMap<String, Double>>)in.readGenericValue();
covariances = convertIfNeeded((Map<String, HashMap<String, Double>>)in.readGenericValue());
}
// Convert Map to HashMap if it isn't
private static <K, V> HashMap<K, V> convertIfNeeded(Map<K,V> map) {
if (map instanceof HashMap) {
return (HashMap<K, V>) map;
} else {
return new HashMap<>(map);
}
}
@Override

2
server/src/main/java/org/elasticsearch/index/query/InnerHitBuilder.java
View File

@ -365,7 +365,7 @@ public final class InnerHitBuilder implements Writeable, ToXContentObject {
* Adds a field to load from the docvalue and return.
*/
public InnerHitBuilder addDocValueField(String field, String format) {
if (docValueFields == null) {
if (docValueFields == null || docValueFields.isEmpty() == true) {
docValueFields = new ArrayList<>();
}
docValueFields.add(new FieldAndFormat(field, format));