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[CountryPropagation] fix NPE issue

This commit is contained in:
Miriam Baglioni 2022-05-20 09:11:46 +02:00
parent eaf9385ae5
commit c298c148cb
1 changed files with 12 additions and 6 deletions
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18
dhp-workflows/dhp-enrichment/src/main/java/eu/dnetlib/dhp/countrypropagation/SparkCountryPropagationJob.java
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@ -102,21 +102,27 @@ public class SparkCountryPropagationJob {
private static <R extends Result> MapFunction<Tuple2<R, ResultCountrySet>, R> getCountryMergeFn() {
return t -> {
Optional.ofNullable(t._2()).ifPresent(r -> {
t._1().getCountry().addAll(merge(t._1().getCountry(), r.getCountrySet()));
if(Optional.ofNullable(t._1().getCountry()).isPresent())
t._1().getCountry().addAll(merge(t._1().getCountry(), r.getCountrySet()));
else
t._1().setCountry(merge(null, t._2().getCountrySet()));
});
return t._1();
};
}
private static List<Country> merge(List<Country> c1, List<CountrySbs> c2) {
HashSet<String> countries = c1
.stream()
.map(Qualifier::getClassid)
.collect(Collectors.toCollection(HashSet::new));
HashSet<String> countries = new HashSet<>();
if(Optional.ofNullable(c1).isPresent()){
countries = c1.stream().map(Qualifier::getClassid)
.collect(Collectors.toCollection(HashSet::new));
}
HashSet<String> finalCountries = countries;
return c2
.stream()
.filter(c -> !countries.contains(c.getClassid()))
.filter(c -> !finalCountries.contains(c.getClassid()))
.map(c -> getCountry(c.getClassid(), c.getClassname()))
.collect(Collectors.toList());
}