Mapping all relationships supported in ModelConstants and ModelSupport

dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/AbstractMdRecordToOafMapper.java

@@ -69,14 +69,16 @@ public abstract class AbstractMdRecordToOafMapper {
         nsContext.put("datacite", DATACITE_SCHEMA_KERNEL_3);
     }
 
-    protected static final Set<String> pidTypeWithAuthority = new HashSet<>();
+	// lowercase pidTypes as keys, normal casing for the values
+	protected static final Map<String, String> pidTypeWithAuthority = new HashMap<>();
 
     static {
-        pidTypeWithAuthority.addAll(IdentifierFactory.PID_AUTHORITY.keySet().stream()
-                .map(PidType::toString)
-                .map(String::toLowerCase)
-                .collect(Collectors.toCollection(HashSet::new)));
-    }
+		IdentifierFactory.PID_AUTHORITY
+				.keySet()
+				.stream()
+				.forEach(entry -> pidTypeWithAuthority.put(entry.toString().toLowerCase(), entry.toString()));
+
+	}
 
     protected AbstractMdRecordToOafMapper(final VocabularyGroup vocs, final boolean invisible,
                                           final boolean shouldHashId, final boolean forceOriginalId) {

dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/OdfToOafMapper.java

@@ -22,6 +22,8 @@ import com.google.common.collect.Lists;
 
 import eu.dnetlib.dhp.common.PacePerson;
 import eu.dnetlib.dhp.common.vocabulary.VocabularyGroup;
+import eu.dnetlib.dhp.schema.common.ModelSupport;
+import eu.dnetlib.dhp.schema.common.RelationInverse;
 import eu.dnetlib.dhp.schema.oaf.*;
 import eu.dnetlib.dhp.schema.oaf.utils.CleaningFunctions;
 import eu.dnetlib.dhp.schema.oaf.utils.IdentifierFactory;
@@ -400,55 +402,12 @@ public class OdfToOafMapper extends AbstractMdRecordToOafMapper {
 
 			if (StringUtils.isNotBlank(originalId)) {
 				final String idType = ((Node) o).valueOf("@relatedIdentifierType");
-				final String reltype = ((Node) o).valueOf("@relationType");
+				final String relType = ((Node) o).valueOf("@relationType");
 				String otherId = guessRelatedIdentifier(idType, originalId);
 				if (StringUtils.isNotBlank(otherId)) {
-					if (reltype.equalsIgnoreCase(IS_SUPPLEMENT_TO)) {
-						res
-							.add(
-								getRelation(
-									docId, otherId, RESULT_RESULT, SUPPLEMENT, IS_SUPPLEMENT_TO, entity));
-						res
-							.add(
-								getRelation(
-									otherId, docId, RESULT_RESULT, SUPPLEMENT, IS_SUPPLEMENTED_BY, entity));
-					} else {
-						if (reltype.equalsIgnoreCase(IS_SUPPLEMENTED_BY)) {
-							res
-								.add(
-									getRelation(
-										otherId, docId, RESULT_RESULT, SUPPLEMENT, IS_SUPPLEMENT_TO, entity));
-							res
-								.add(
-									getRelation(
-										docId, otherId, RESULT_RESULT, SUPPLEMENT, IS_SUPPLEMENTED_BY, entity));
-						} else {
-							if (reltype.equalsIgnoreCase(IS_PART_OF)) {
-								res
-									.add(
-										getRelation(
-											docId, otherId, RESULT_RESULT, PART, IS_PART_OF, entity));
-								res
-									.add(
-										getRelation(
-											otherId, docId, RESULT_RESULT, PART, HAS_PART, entity));
-							} else {
-								if (reltype.equalsIgnoreCase(HAS_PART)) {
-									res
-										.add(
-											getRelation(
-												otherId, docId, RESULT_RESULT, PART, IS_PART_OF, entity));
-									res
-										.add(
-											getRelation(
-												docId, otherId, RESULT_RESULT, PART, HAS_PART, entity));
-								}
-								// else TODO catch more semantics
-							}
-						}
-					}
-
+					res.addAll(getRelations(relType, docId, otherId, entity));
 				}
+
 			}
 		}
 		return res;
@@ -457,14 +416,33 @@ public class OdfToOafMapper extends AbstractMdRecordToOafMapper {
 	protected String guessRelatedIdentifier(final String idType, final String value) {
 		if (StringUtils.isBlank(idType) || StringUtils.isBlank(value))
 			return null;
-		if (idType.equalsIgnoreCase("OPENAIRE"))  return createOpenaireId(50, value, false);
-		if(pidTypeWithAuthority.contains(idType.toLowerCase())){
-            return IdentifierFactory.idFromPid("50", idType, value, true);
-        }
+		if (idType.equalsIgnoreCase("OPENAIRE"))
+			return createOpenaireId(50, value, false);
+		if (pidTypeWithAuthority.containsKey(idType.toLowerCase())) {
+			return IdentifierFactory.idFromPid("50", pidTypeWithAuthority.get(idType.toLowerCase()), value, true);
+		}
 		return null;
 
 	}
 
+	protected List<Oaf> getRelations(final String reltype, final String entityId, final String otherId,
+		final OafEntity entity) {
+		final List<Oaf> res = new ArrayList<>();
+		RelationInverse rel = ModelSupport.findRelation(reltype);
+		if (rel != null) {
+			res
+				.add(
+					getRelation(
+						entityId, otherId, rel.getRelType(), rel.getSubReltype(), rel.getRelClass(), entity));
+			res
+				.add(
+					getRelation(
+						otherId, entityId, rel.getRelType(), rel.getSubReltype(), rel.getInverseRelClass(), entity));
+
+		}
+		return res;
+	}
+
 	@Override
 	protected Qualifier prepareResourceType(final Document doc, final DataInfo info) {
 		return prepareQualifier(

dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/raw/MappersTest.java

@@ -579,8 +579,10 @@ class MappersTest {
 
 		final List<Oaf> list = new OdfToOafMapper(vocs, false, true).processMdRecord(xml);
 
-		assertEquals(1, list.size());
+		assertEquals(3, list.size());
 		assertTrue(list.get(0) instanceof Software);
+		assertTrue(list.get(1) instanceof Relation);
+		assertTrue(list.get(2) instanceof Relation);
 
 		final Software s = (Software) list.get(0);
 
@@ -590,6 +592,22 @@ class MappersTest {
 		assertTrue(s.getAuthor().size() > 0);
 		assertTrue(s.getSubject().size() > 0);
 		assertTrue(s.getInstance().size() > 0);
+
+		final Relation r1 = (Relation) list.get(1);
+		final Relation r2 = (Relation) list.get(2);
+
+		assertEquals(s.getId(), r1.getSource());
+		assertEquals("50|doi_________::b453e7b4b2130ace57ff0c3db470a982", r1.getTarget());
+		assertEquals(ModelConstants.RESULT_RESULT, r1.getRelType());
+		assertEquals(ModelConstants.RELATIONSHIP, r1.getSubRelType());
+		assertEquals(ModelConstants.IS_REFERENCED_BY, r1.getRelClass());
+
+		assertEquals(s.getId(), r2.getTarget());
+		assertEquals("50|doi_________::b453e7b4b2130ace57ff0c3db470a982", r2.getSource());
+		assertEquals(ModelConstants.RESULT_RESULT, r2.getRelType());
+		assertEquals(ModelConstants.RELATIONSHIP, r2.getSubRelType());
+		assertEquals(ModelConstants.REFERENCES, r2.getRelClass());
+
 	}
 
 	@Test
@@ -945,14 +963,14 @@ class MappersTest {
 		assertEquals(1, list.stream().filter(o -> o instanceof OtherResearchProduct).count());
 		assertEquals(6, list.stream().filter(o -> o instanceof Relation).count());
 
-		for(Oaf oaf : list){
-			if(oaf instanceof Relation){
+		for (Oaf oaf : list) {
+			if (oaf instanceof Relation) {
 				String source = ((Relation) oaf).getSource();
 				String target = ((Relation) oaf).getTarget();
 				assertNotEquals(source, target);
 				assertTrue(source.equals(p.getId()) || target.equals(p.getId()));
 				assertNotNull(((Relation) oaf).getSubRelType());
-				assertNotNull( ((Relation) oaf).getRelClass());
+				assertNotNull(((Relation) oaf).getRelClass());
 				assertNotNull(((Relation) oaf).getRelType());
 			}
 		}

dhp-workflows/dhp-graph-mapper/src/test/resources/eu/dnetlib/dhp/oa/graph/raw/odf_dataset.xml

@@ -69,7 +69,6 @@
       </dates>
       <resourceType resourceTypeGeneral="Dataset"/>
       <relatedIdentifiers>
-        <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.5281/zenodo.3234525</relatedIdentifier>
         <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://zenodo.org/communities/epfl</relatedIdentifier>
       </relatedIdentifiers>
       <version>1.0.0</version>

dhp-workflows/dhp-graph-mapper/src/test/resources/eu/dnetlib/dhp/oa/graph/raw/odf_software.xml

@@ -20,7 +20,7 @@
       <datacite:publisher>bio.tools</datacite:publisher>
       <datacite:relatedIdentifiers>
         <datacite:relatedIdentifier relatedIdentifierType="URL" relationType="IsDocumentedBy">http://maplab.imppc.org/chainy/</datacite:relatedIdentifier>
-        <datacite:relatedIdentifier relatedIdentifierType="DOI" relationType="isReferencedBy">10.1093/bioinformatics/btw839</datacite:relatedIdentifier>
+        <datacite:relatedIdentifier relatedIdentifierType="DOI" relationType="isreferencedBy">10.1093/bioinformatics/btw839</datacite:relatedIdentifier>
       </datacite:relatedIdentifiers>
       <datacite:alternateIdentifiers>
         <datacite:alternateIdentifier alternateIdentifierType="LandingPage">https://bio.tools/</datacite:alternateIdentifier>