forked from D-Net/dnet-hadoop
52 lines
1.5 KiB
Java
52 lines
1.5 KiB
Java
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package eu.dnetlib.dhp.broker.oa.matchers.relatedPublications;
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import java.util.List;
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import java.util.Set;
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import java.util.stream.Collectors;
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import eu.dnetlib.dhp.broker.model.Topic;
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import eu.dnetlib.dhp.broker.oa.matchers.UpdateMatcher;
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import eu.dnetlib.dhp.broker.oa.util.ConversionUtils;
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import eu.dnetlib.dhp.broker.oa.util.aggregators.withRels.RelatedPublication;
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import eu.dnetlib.dhp.broker.oa.util.aggregators.withRels.ResultWithRelations;
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import eu.dnetlib.dhp.schema.oaf.Publication;
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public abstract class AbstractEnrichMissingPublication
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extends UpdateMatcher<eu.dnetlib.broker.objects.Publication> {
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public AbstractEnrichMissingPublication(final Topic topic) {
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super(true,
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rel -> topic,
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(p, rel) -> p.getPublications().add(rel),
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rel -> rel.getInstances().get(0).getUrl());
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}
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protected abstract boolean filterByType(String relType);
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@Override
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protected final List<eu.dnetlib.broker.objects.Publication> findDifferences(
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final ResultWithRelations source,
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final ResultWithRelations target) {
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final Set<String> existingPublications = target
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.getPublications()
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.stream()
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.filter(rel -> filterByType(rel.getRelType()))
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.map(RelatedPublication::getRelPublication)
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.map(Publication::getId)
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.collect(Collectors.toSet());
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return source
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.getPublications()
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.stream()
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.filter(rel -> filterByType(rel.getRelType()))
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.map(RelatedPublication::getRelPublication)
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.filter(d -> !existingPublications.contains(d.getId()))
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.map(ConversionUtils::oafResultToBrokerPublication)
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.collect(Collectors.toList());
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}
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}
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