forked from D-Net/dnet-hadoop
44 lines
1.0 KiB
Java
44 lines
1.0 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.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("outcome", 0);
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weights.put("supplement", 1);
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weights.put("review", 2);
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weights.put("citation", 3);
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weights.put("affiliation", 4);
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weights.put("relationship", 5);
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weights.put("publicationDataset", 6);
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weights.put("similarity", 7);
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weights.put("provision", 8);
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weights.put("participation", 9);
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weights.put("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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