Added inverse Relation utility
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Sandro La Bruzzo
parent
3b5b4c565b
commit
80ecc865f7
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@ -9,18 +9,21 @@ import java.util.Objects;
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/**
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* Relation models any edge between two nodes in the OpenAIRE graph. It has a source id and a target id pointing to
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* graph node identifiers and it is further characterised by the semantic of the link through the fields relType,
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* graph node identifiers, and it is further characterised by the semantic of the link through the fields relType,
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* subRelType and relClass. Provenance information is modeled according to the dataInfo element and collectedFrom, while
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* individual relationship types can provide extra information via the properties field.
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*/
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public class Relation extends Oaf implements Serializable {
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public enum RELTYPE {
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resultResult,
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resultProject,
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resultOrganization,
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projectOrganization,
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datasourceOrganization
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//TODO organizationOrganization ????
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}
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public enum SUBRELTYPE {
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@ -36,8 +39,7 @@ public class Relation extends Oaf implements Serializable {
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similarity,
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supplement,
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version;
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public boolean exists(String subreltype) {
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public static boolean exists(String subreltype) {
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try {
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SUBRELTYPE.valueOf(subreltype);
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return true;
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@ -83,6 +85,7 @@ public class Relation extends Oaf implements Serializable {
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IsVariantFormOf,
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isProducedBy,
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IsMetadataFor,
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HasAssociationWith,
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Cites,
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IsRequiredBy,
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IsOriginalFormOf,
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@ -95,6 +98,7 @@ public class Relation extends Oaf implements Serializable {
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IsDerivedFrom,
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Obsoletes,
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Reviews,
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isSimilarTo,
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produces;
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public static boolean exists(String relclass) {
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@ -105,6 +109,75 @@ public class Relation extends Oaf implements Serializable {
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return false;
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}
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}
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@Transient
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public SUBRELTYPE getSubRel() {
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switch (this) {
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case isParticipant:
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case hasParticipant:
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return SUBRELTYPE.participation;
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case isAuthorInstitutionOf:
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case hasAuthorInstitution:
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return SUBRELTYPE.affiliation;
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case isMergedIn:
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case merges:
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case isSimilarTo:
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return SUBRELTYPE.dedup;
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case isProducedBy:
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case produces:
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return SUBRELTYPE.outcome;
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case isProvidedBy:
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case provides:
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return SUBRELTYPE.provision;
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case IsAmongTopNSimilarDocuments:
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case HasAmongTopNSimilarDocuments:
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return SUBRELTYPE.similarity;
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case IsSupplementedBy:
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case IsSupplementTo:
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return SUBRELTYPE.supplement;
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case IsPartOf:
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case HasPart:
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return SUBRELTYPE.part;
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case IsCitedBy:
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case Cites:
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return SUBRELTYPE.citation;
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case IsIdenticalTo:
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case IsReferencedBy:
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case References:
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case IsContinuedBy:
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case Continues:
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case IsDocumentedBy:
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case Documents:
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case IsDerivedFrom:
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case IsSourceOf:
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case IsRelatedTo:
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case IsCompiledBy:
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case Compiles:
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case IsDescribedBy:
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case Describes:
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case IsMetadataFor:
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case IsMetadataOf:
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case HasAssociationWith:
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case IsRequiredBy:
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case Requires:
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case IsChildOf:
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case IsParentOf:
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return SUBRELTYPE.relationship;
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case IsPreviousVersionOf:
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case IsNewVersionOf:
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case IsVariantFormOf:
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case IsOriginalFormOf:
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case IsObsoletedBy:
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case Obsoletes:
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case IsVersionOf:
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case HasVersion:
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return SUBRELTYPE.version;
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case IsReviewedBy:
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case Reviews:
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return SUBRELTYPE.review;
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}
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// makes the compiler happy
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throw new IllegalArgumentException("missing SubRel mapping for" + this);
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}
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@Transient
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public RELCLASS getInverse() {
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@ -341,6 +414,20 @@ public class Relation extends Oaf implements Serializable {
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&& target.equals(relation.target);
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}
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public Relation inverse() {
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final Relation inverse = new Relation();
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inverse.setSource(this.target);
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inverse.setTarget(this.source);
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inverse.setRelClass(this.relClass.getInverse());
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inverse.setRelType(this.relType);
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inverse.setSubRelType(this.subRelType);
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inverse.setProperties(this.properties);
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inverse.setValidated(validated);
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inverse.setProvenance(provenance);
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inverse.setValidationDate(validationDate);
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return inverse;
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}
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@Override
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public int hashCode() {
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return Objects.hash(relType, subRelType, relClass, source, target, provenance);
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@ -0,0 +1,26 @@
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package eu.dnetlib.dhp.schema.oaf;
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import static org.junit.jupiter.api.Assertions.*;
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import org.junit.jupiter.api.Test;
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public class RelationTest {
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@Test
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public void checkExistRelType() {
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assertTrue(Relation.SUBRELTYPE.exists(Relation.SUBRELTYPE.dedup.toString()));
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assertFalse(Relation.SUBRELTYPE.exists("foo"));
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}
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@Test
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public void checSubRelType() {
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Relation.RELCLASS rc = Relation.RELCLASS.merges;
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assertEquals(Relation.SUBRELTYPE.dedup, rc.getSubRel());
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for (Relation.RELCLASS value : Relation.RELCLASS.values()) {
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System.out.printf("%s => %s\n", value, value.getSubRel());
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}
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}
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}
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