forked from D-Net/dnet-hadoop
64 lines
1.7 KiB
Java
64 lines
1.7 KiB
Java
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package eu.dnetlib.dhp.broker.oa.matchers.relatedDatasets;
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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 org.apache.commons.lang3.tuple.Pair;
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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.UpdateInfo;
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import eu.dnetlib.dhp.schema.oaf.Dataset;
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import eu.dnetlib.dhp.schema.oaf.Result;
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public abstract class AbstractEnrichMissingDataset
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extends UpdateMatcher<Pair<Result, List<Dataset>>, eu.dnetlib.broker.objects.Dataset> {
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private final Topic topic;
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public AbstractEnrichMissingDataset(final Topic topic) {
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super(true);
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this.topic = topic;
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}
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@Override
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protected final List<UpdateInfo<eu.dnetlib.broker.objects.Dataset>> findUpdates(
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final Pair<Result, List<Dataset>> source,
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final Pair<Result, List<Dataset>> target) {
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final Set<String> existingDatasets = target
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.getRight()
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.stream()
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.map(Dataset::getId)
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.collect(Collectors.toSet());
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return source
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.getRight()
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.stream()
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.filter(d -> !existingDatasets.contains(d.getId()))
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.map(ConversionUtils::oafDatasetToBrokerDataset)
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.map(i -> generateUpdateInfo(i, source, target))
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.collect(Collectors.toList());
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}
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@Override
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protected final UpdateInfo<eu.dnetlib.broker.objects.Dataset> generateUpdateInfo(
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final eu.dnetlib.broker.objects.Dataset highlightValue,
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final Pair<Result, List<Dataset>> source,
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final Pair<Result, List<Dataset>> target) {
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return new UpdateInfo<>(
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getTopic(),
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highlightValue, source.getLeft(), target.getLeft(),
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(p, rel) -> p.getDatasets().add(rel),
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rel -> rel.getInstances().get(0).getUrl());
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}
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public Topic getTopic() {
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return topic;
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}
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}
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