forked from D-Net/dnet-hadoop
52 lines
1.5 KiB
Java
52 lines
1.5 KiB
Java
|
|
package eu.dnetlib.dhp.broker.oa.matchers.simple;
|
|
|
|
import java.util.List;
|
|
import java.util.Set;
|
|
import java.util.stream.Collectors;
|
|
|
|
import org.apache.commons.lang3.tuple.Pair;
|
|
|
|
import eu.dnetlib.dhp.broker.model.Topic;
|
|
import eu.dnetlib.dhp.broker.oa.matchers.UpdateMatcher;
|
|
import eu.dnetlib.dhp.broker.oa.util.ConversionUtils;
|
|
import eu.dnetlib.dhp.broker.oa.util.UpdateInfo;
|
|
import eu.dnetlib.dhp.schema.oaf.Result;
|
|
|
|
public class EnrichMoreSubject extends UpdateMatcher<Result, Pair<String, String>> {
|
|
|
|
public EnrichMoreSubject() {
|
|
super(true);
|
|
}
|
|
|
|
@Override
|
|
protected List<UpdateInfo<Pair<String, String>>> findUpdates(final Result source, final Result target) {
|
|
final Set<String> existingSubjects = target
|
|
.getSubject()
|
|
.stream()
|
|
.map(pid -> pid.getQualifier().getClassid() + "::" + pid.getValue())
|
|
.collect(Collectors.toSet());
|
|
|
|
return source
|
|
.getPid()
|
|
.stream()
|
|
.filter(pid -> !existingSubjects.contains(pid.getQualifier().getClassid() + "::" + pid.getValue()))
|
|
.map(ConversionUtils::oafSubjectToPair)
|
|
.map(i -> generateUpdateInfo(i, source, target))
|
|
.collect(Collectors.toList());
|
|
}
|
|
|
|
@Override
|
|
public UpdateInfo<Pair<String, String>> generateUpdateInfo(final Pair<String, String> highlightValue,
|
|
final Result source,
|
|
final Result target) {
|
|
|
|
return new UpdateInfo<>(
|
|
Topic.fromPath("ENRICH/MORE/SUBJECT/" + highlightValue.getLeft()),
|
|
highlightValue, source, target,
|
|
(p, pair) -> p.getSubjects().add(pair.getRight()),
|
|
pair -> pair.getLeft() + "::" + pair.getRight());
|
|
}
|
|
|
|
}
|