45 lines
1.2 KiB
Java
45 lines
1.2 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<String, Integer> weights = Maps.newHashMap();
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static {
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weights.put(ModelConstants.OUTCOME, 0);
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weights.put(ModelConstants.SUPPLEMENT, 1);
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weights.put(ModelConstants.REVIEW, 2);
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weights.put(ModelConstants.CITATION, 3);
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weights.put(ModelConstants.AFFILIATION, 4);
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weights.put(ModelConstants.RELATIONSHIP, 5);
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weights.put(ModelConstants.PUBLICATION_DATASET, 6);
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weights.put(ModelConstants.SIMILARITY, 7);
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weights.put(ModelConstants.PROVISION, 8);
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weights.put(ModelConstants.PARTICIPATION, 9);
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weights.put(ModelConstants.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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