47 lines
1.4 KiB
Java
47 lines
1.4 KiB
Java
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package eu.dnetlib.dhp.oa.provision;
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import java.util.Comparator;
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import java.util.Map;
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import java.util.Optional;
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import com.google.common.collect.ComparisonChain;
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import com.google.common.collect.Maps;
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import eu.dnetlib.dhp.schema.common.ModelConstants;
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import eu.dnetlib.dhp.schema.oaf.Relation;
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public class RelationComparator implements Comparator<Relation> {
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private static final Map<Relation.SUBRELTYPE, Integer> weights = Maps.newHashMap();
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static {
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weights.put(Relation.SUBRELTYPE.outcome, 0);
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weights.put(Relation.SUBRELTYPE.supplement, 1);
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weights.put(Relation.SUBRELTYPE.review, 2);
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weights.put(Relation.SUBRELTYPE.citation, 3);
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weights.put(Relation.SUBRELTYPE.affiliation, 4);
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//TODO CLAUDIO PLEASE CHECK IF the SUBSTITUTION OF publicationDataset WITH RELATIONSHIPS IS OK
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// weights.put(Relation.SUBRELTYPE.relationship, 5);
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weights.put(Relation.SUBRELTYPE.relationship, 6);
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weights.put(Relation.SUBRELTYPE.similarity, 7);
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weights.put(Relation.SUBRELTYPE.provision, 8);
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weights.put(Relation.SUBRELTYPE.participation, 9);
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weights.put(Relation.SUBRELTYPE.dedup, 10);
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}
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private Integer getWeight(Relation o) {
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return Optional.ofNullable(weights.get(o.getSubRelType())).orElse(Integer.MAX_VALUE);
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}
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@Override
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public int compare(Relation o1, Relation o2) {
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return ComparisonChain
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.start()
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.compare(getWeight(o1), getWeight(o2))
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.result();
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}
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}
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