added instance.alternativeIdentifiers to the graph model, adjusted the mapping applied to the contents from the aggregator

dhp-common/src/main/java/eu/dnetlib/dhp/schema/oaf/utils/IdentifierFactory.java

@@ -10,8 +10,10 @@ import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 import org.apache.commons.lang3.StringUtils;
+import org.jetbrains.annotations.NotNull;
 
 import com.google.common.collect.HashBiMap;
+import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 
 import eu.dnetlib.dhp.schema.oaf.*;
@@ -54,6 +56,10 @@ public class IdentifierFactory implements Serializable {
 		PID_AUTHORITY.get(PidType.arXiv).put(ARXIV_ID, "arXiv.org e-Print Archive");
 	}
 
+	public static List<StructuredProperty> getPids(List<StructuredProperty> pid, KeyValue collectedFrom) {
+		return pidFromInstance(pid, collectedFrom).collect(Collectors.toList());
+	}
+
 	/**
 	 * Creates an identifier from the most relevant PID (if available) provided by a known PID authority in the given
 	 * entity T. Returns entity.id when none of the PIDs meet the selection criteria is available.
@@ -91,37 +97,7 @@ public class IdentifierFactory implements Serializable {
 			return Optional
 				.ofNullable(((Result) entity).getInstance())
 				.map(
-					instance -> instance
-						.stream()
-						.map(
-							i -> Optional
-								.ofNullable(i.getPid())
-								.map(
-									pp -> pp
-										.stream()
-										// filter away PIDs provided by a DS that is not considered an authority for the
-										// given PID Type
-										.filter(p -> {
-											final PidType pType = PidType.tryValueOf(p.getQualifier().getClassid());
-											return Optional.ofNullable(i.getCollectedfrom()).isPresent() &&
-												Optional
-													.ofNullable(PID_AUTHORITY.get(pType))
-													.map(authorities -> {
-														final KeyValue cf = i.getCollectedfrom();
-														return authorities.containsKey(cf.getKey())
-															|| authorities.containsValue(cf.getValue());
-													})
-													.orElse(false);
-										})
-										.map(CleaningFunctions::normalizePidValue)
-										.filter(IdentifierFactory::pidFilter))
-								.orElse(Stream.empty()))
-						.flatMap(Function.identity())
-						.collect(
-							Collectors
-								.groupingBy(
-									p -> p.getQualifier().getClassid(),
-									Collectors.mapping(p -> p, Collectors.toList()))))
+					instance -> mapPids(instance))
 				.orElse(new HashMap<>());
 		} else {
 			return entity
@@ -137,6 +113,42 @@ public class IdentifierFactory implements Serializable {
 		}
 	}
 
+	private static Map<String, List<StructuredProperty>> mapPids(List<Instance> instance) {
+		return instance
+			.stream()
+			.map(i -> pidFromInstance(i.getPid(), i.getCollectedfrom()))
+			.flatMap(Function.identity())
+			.collect(
+				Collectors
+					.groupingBy(
+						p -> p.getQualifier().getClassid(),
+						Collectors.mapping(p -> p, Collectors.toList())));
+	}
+
+	private static Stream<StructuredProperty> pidFromInstance(List<StructuredProperty> pid, KeyValue collectedFrom) {
+		return Optional
+			.ofNullable(pid)
+			.map(
+				pp -> pp
+					.stream()
+					// filter away PIDs provided by a DS that is not considered an authority for the
+					// given PID Type
+					.filter(p -> {
+						final PidType pType = PidType.tryValueOf(p.getQualifier().getClassid());
+						return Optional.ofNullable(collectedFrom).isPresent() &&
+							Optional
+								.ofNullable(PID_AUTHORITY.get(pType))
+								.map(authorities -> {
+									return authorities.containsKey(collectedFrom.getKey())
+										|| authorities.containsValue(collectedFrom.getValue());
+								})
+								.orElse(false);
+					})
+					.map(CleaningFunctions::normalizePidValue)
+					.filter(IdentifierFactory::pidFilter))
+			.orElse(Stream.empty());
+	}
+
 	/**
 	 * @see {@link IdentifierFactory#createIdentifier(OafEntity, boolean)}
 	 */

dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/common/ModelConstants.java

@@ -18,7 +18,7 @@ public class ModelConstants {
 	public static final String PUBMED_CENTRAL_ID = "10|opendoar____::eda80a3d5b344bc40f3bc04f65b7a357";
 	public static final String ARXIV_ID = "10|opendoar____::6f4922f45568161a8cdf4ad2299f6d23";
 
-	//VOCABULARY VALUE
+	// VOCABULARY VALUE
 	public static final String ACCESS_RIGHT_OPEN = "OPEN";
 
 	public static final String DNET_SUBJECT_TYPOLOGIES = "dnet:subject_classification_typologies";

dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/oaf/Instance.java

@@ -23,6 +23,8 @@ public class Instance implements Serializable {
 
 	private List<StructuredProperty> pid;
 
+	private List<StructuredProperty> alternateIdentifier;
+
 	private Field<String> dateofacceptance;
 
 	// ( article | book ) processing charges. Defined here to cope with possible wrongly typed
@@ -107,6 +109,14 @@ public class Instance implements Serializable {
 		this.dateofacceptance = dateofacceptance;
 	}
 
+	public List<StructuredProperty> getAlternateIdentifier() {
+		return alternateIdentifier;
+	}
+
+	public void setAlternateIdentifier(List<StructuredProperty> alternateIdentifier) {
+		this.alternateIdentifier = alternateIdentifier;
+	}
+
 	public Field<String> getProcessingchargeamount() {
 		return processingchargeamount;
 	}
@@ -159,4 +169,5 @@ public class Instance implements Serializable {
 
 		return toComparableString().equals(other.toComparableString());
 	}
+
 }

dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/oaf/StructuredProperty.java

@@ -2,6 +2,13 @@
 package eu.dnetlib.dhp.schema.oaf;
 
 import java.io.Serializable;
+import java.util.Optional;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import org.apache.commons.lang3.StringUtils;
+
+import com.google.common.base.Joiner;
 
 public class StructuredProperty implements Serializable {
 
@@ -36,7 +43,12 @@ public class StructuredProperty implements Serializable {
 	}
 
 	public String toComparableString() {
-		return value != null ? value.toLowerCase() : "";
+		return Stream
+			.of(
+				getQualifier().toComparableString(),
+				Optional.ofNullable(getValue()).map(String::toLowerCase).orElse(""))
+			.filter(StringUtils::isNotBlank)
+			.collect(Collectors.joining("||"));
 	}
 
 	@Override

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

@@ -284,8 +284,8 @@ public abstract class AbstractMdRecordToOafMapper {
 
 		r.setCollectedfrom(Arrays.asList(collectedFrom));
 		r.setPid(prepareResultPids(doc, info));
-		r.setDateofcollection(doc.valueOf("//dr:dateOfCollection|//dri:dateOfCollection"));
-		r.setDateoftransformation(doc.valueOf("//dr:dateOfTransformation|//dri:dateOfTransformation"));
+		r.setDateofcollection(doc.valueOf("//dr:dateOfCollection/text()|//dri:dateOfCollection/text()"));
+		r.setDateoftransformation(doc.valueOf("//dr:dateOfTransformation/text()|//dri:dateOfTransformation/text()"));
 		r.setExtraInfo(new ArrayList<>()); // NOT PRESENT IN MDSTORES
 		r.setOaiprovenance(prepareOAIprovenance(doc));
 		r.setAuthor(prepareAuthors(doc, info));

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

@@ -5,7 +5,9 @@ import static eu.dnetlib.dhp.schema.common.ModelConstants.*;
 import static eu.dnetlib.dhp.schema.oaf.OafMapperUtils.*;
 
 import java.util.ArrayList;
+import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
 import java.util.stream.Collectors;
 
 import org.apache.commons.lang3.StringUtils;
@@ -19,6 +21,7 @@ import eu.dnetlib.dhp.common.PacePerson;
 import eu.dnetlib.dhp.oa.graph.raw.common.VocabularyGroup;
 import eu.dnetlib.dhp.schema.oaf.*;
 import eu.dnetlib.dhp.schema.oaf.CleaningFunctions;
+import eu.dnetlib.dhp.schema.oaf.utils.IdentifierFactory;
 
 public class OafToOafMapper extends AbstractMdRecordToOafMapper {
 
@@ -125,7 +128,17 @@ public class OafToOafMapper extends AbstractMdRecordToOafMapper {
 			.setInstancetype(prepareQualifier(doc, "//dr:CobjCategory", DNET_PUBLICATION_RESOURCE));
 		instance.setCollectedfrom(collectedfrom);
 		instance.setHostedby(hostedby);
-		instance.setPid(prepareResultPids(doc, info));
+
+		final List<StructuredProperty> alternateIdentifier = prepareResultPids(doc, info);
+		final List<StructuredProperty> pid = IdentifierFactory.getPids(alternateIdentifier, collectedfrom);
+
+		final Set<StructuredProperty> pids = pid.stream().collect(Collectors.toCollection(HashSet::new));
+
+		instance
+			.setAlternateIdentifier(
+				alternateIdentifier.stream().filter(i -> !pids.contains(i)).collect(Collectors.toList()));
+		instance.setPid(pid);
+
 		instance.setDateofacceptance(field(doc.valueOf("//oaf:dateAccepted"), info));
 		instance.setDistributionlocation(doc.valueOf("//oaf:distributionlocation"));
 		instance

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

@@ -5,6 +5,7 @@ import static eu.dnetlib.dhp.schema.common.ModelConstants.*;
 import static eu.dnetlib.dhp.schema.oaf.OafMapperUtils.*;
 
 import java.util.*;
+import java.util.function.Function;
 import java.util.stream.Collectors;
 
 import org.apache.commons.lang3.StringUtils;
@@ -14,6 +15,7 @@ import org.dom4j.Node;
 import eu.dnetlib.dhp.common.PacePerson;
 import eu.dnetlib.dhp.oa.graph.raw.common.VocabularyGroup;
 import eu.dnetlib.dhp.schema.oaf.*;
+import eu.dnetlib.dhp.schema.oaf.utils.IdentifierFactory;
 
 public class OdfToOafMapper extends AbstractMdRecordToOafMapper {
 
@@ -102,7 +104,17 @@ public class OdfToOafMapper extends AbstractMdRecordToOafMapper {
 			.setInstancetype(prepareQualifier(doc, "//dr:CobjCategory", DNET_PUBLICATION_RESOURCE));
 		instance.setCollectedfrom(collectedfrom);
 		instance.setHostedby(hostedby);
-		instance.setPid(prepareResultPids(doc, info));
+
+		final List<StructuredProperty> alternateIdentifier = prepareResultPids(doc, info);
+		final List<StructuredProperty> pid = IdentifierFactory.getPids(alternateIdentifier, collectedfrom);
+
+		final Set<StructuredProperty> pids = pid.stream().collect(Collectors.toCollection(HashSet::new));
+
+		instance
+			.setAlternateIdentifier(
+				alternateIdentifier.stream().filter(i -> !pids.contains(i)).collect(Collectors.toList()));
+		instance.setPid(pid);
+
 		instance.setDateofacceptance(field(doc.valueOf("//oaf:dateAccepted"), info));
 		instance.setDistributionlocation(doc.valueOf("//oaf:distributionlocation"));
 		instance

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

@@ -123,9 +123,11 @@ public class MappersTest {
 			});
 		assertEquals("0001", p.getInstance().get(0).getRefereed().getClassid());
 		assertNotNull(p.getInstance().get(0).getPid());
-		assertTrue(p.getInstance().get(0).getPid().size() == 1);
-		assertEquals("doi", p.getInstance().get(0).getPid().get(0).getQualifier().getClassid());
-		assertEquals("10.3897/oneeco.2.e13718", p.getInstance().get(0).getPid().get(0).getValue());
+		assertTrue(p.getInstance().get(0).getPid().isEmpty());
+
+		assertTrue(!p.getInstance().get(0).getAlternateIdentifier().isEmpty());
+		assertEquals("doi", p.getInstance().get(0).getAlternateIdentifier().get(0).getQualifier().getClassid());
+		assertEquals("10.3897/oneeco.2.e13718", p.getInstance().get(0).getAlternateIdentifier().get(0).getValue());
 
 		assertNotNull(p.getBestaccessright());
 		assertEquals("OPEN", p.getBestaccessright().getClassid());
@@ -154,6 +156,78 @@ public class MappersTest {
 		// System.out.println(new ObjectMapper().writeValueAsString(r2));
 	}
 
+	@Test
+	void testPublication_PubMed() throws IOException {
+
+		final String xml = IOUtils.toString(getClass().getResourceAsStream("oaf_record_pubmed.xml"));
+
+		final List<Oaf> list = new OafToOafMapper(vocs, false, true).processMdRecord(xml);
+
+		assertEquals(1, list.size());
+		assertTrue(list.get(0) instanceof Publication);
+
+		final Publication p = (Publication) list.get(0);
+
+		assertValidId(p.getId());
+
+		assertEquals(2, p.getOriginalId().size());
+		assertTrue(p.getOriginalId().contains("oai:pubmedcentral.nih.gov:1517292"));
+
+		assertValidId(p.getCollectedfrom().get(0).getKey());
+		assertTrue(StringUtils.isNotBlank(p.getTitle().get(0).getValue()));
+		assertFalse(p.getDataInfo().getInvisible());
+		assertTrue(StringUtils.isNotBlank(p.getDateofcollection()));
+		assertTrue(StringUtils.isNotBlank(p.getDateoftransformation()));
+
+		assertTrue(p.getAuthor().size() > 0);
+		final Optional<Author> author = p
+			.getAuthor()
+			.stream()
+			.filter(a -> a.getPid() != null && !a.getPid().isEmpty())
+			.findFirst();
+		assertTrue(author.isPresent());
+
+		final StructuredProperty pid = author
+			.get()
+			.getPid()
+			.stream()
+			.findFirst()
+			.get();
+		assertEquals("0000-0001-6651-1178", pid.getValue());
+		assertEquals("ORCID", pid.getQualifier().getClassid());
+		assertEquals("Open Researcher and Contributor ID", pid.getQualifier().getClassname());
+		assertEquals(ModelConstants.DNET_PID_TYPES, pid.getQualifier().getSchemeid());
+		assertEquals(ModelConstants.DNET_PID_TYPES, pid.getQualifier().getSchemename());
+		assertEquals("Votsi,Nefta", author.get().getFullname());
+		assertEquals("Votsi", author.get().getSurname());
+		assertEquals("Nefta", author.get().getName());
+
+		assertTrue(p.getSubject().size() > 0);
+		assertTrue(p.getPid().size() > 0);
+		assertEquals(p.getPid().get(0).getValue(), "PMC1517292");
+		assertEquals(p.getPid().get(0).getQualifier().getClassid(), "pmc");
+
+		assertNotNull(p.getInstance());
+		assertTrue(p.getInstance().size() > 0);
+		p
+			.getInstance()
+			.stream()
+			.forEach(i -> {
+				assertNotNull(i.getAccessright());
+				assertEquals("OPEN", i.getAccessright().getClassid());
+			});
+		assertEquals("UNKNOWN", p.getInstance().get(0).getRefereed().getClassid());
+		assertNotNull(p.getInstance().get(0).getPid());
+		assertTrue(p.getInstance().get(0).getPid().size() == 2);
+
+		assertTrue(p.getInstance().get(0).getAlternateIdentifier().size() == 1);
+		assertEquals("doi", p.getInstance().get(0).getAlternateIdentifier().get(0).getQualifier().getClassid());
+		assertEquals("10.3897/oneeco.2.e13718", p.getInstance().get(0).getAlternateIdentifier().get(0).getValue());
+
+		assertNotNull(p.getBestaccessright());
+		assertEquals("OPEN", p.getBestaccessright().getClassid());
+	}
+
 	@Test
 	void testPublicationInvisible() throws IOException {
 
@@ -239,9 +313,10 @@ public class MappersTest {
 			});
 		assertEquals("0001", d.getInstance().get(0).getRefereed().getClassid());
 		assertNotNull(d.getInstance().get(0).getPid());
-		assertTrue(d.getInstance().get(0).getPid().size() == 1);
-		assertEquals("doi", d.getInstance().get(0).getPid().get(0).getQualifier().getClassid());
-		assertEquals("10.5281/zenodo.3234526", d.getInstance().get(0).getPid().get(0).getValue());
+		assertTrue(d.getInstance().get(0).getPid().isEmpty());
+
+		assertEquals("doi", d.getInstance().get(0).getAlternateIdentifier().get(0).getQualifier().getClassid());
+		assertEquals("10.5281/zenodo.3234526", d.getInstance().get(0).getAlternateIdentifier().get(0).getValue());
 
 		assertValidId(r1.getSource());
 		assertValidId(r1.getTarget());

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

@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<record xmlns:dc="http://purl.org/dc/elements/1.1/"
+        xmlns:dr="http://www.driver-repository.eu/namespace/dr"
+        xmlns:dri="http://www.driver-repository.eu/namespace/dri"
+        xmlns:oaf="http://namespace.openaire.eu/oaf"
+        xmlns:oai="http://www.openarchives.org/OAI/2.0/"
+        xmlns:prov="http://www.openarchives.org/OAI/2.0/provenance" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <header xmlns="http://namespace.openaire.eu/">
+    <dri:objIdentifier>od_______267::0000072375bc0e68fa09d4e6b7658248</dri:objIdentifier>
+    <dri:recordIdentifier>oai:pubmedcentral.nih.gov:1517292</dri:recordIdentifier>
+    <dri:dateOfCollection/>
+    <dri:mdFormat/>
+    <dri:mdFormatInterpretation/>
+    <dri:repositoryId/>
+    <dr:objectIdentifier/>
+    <dr:dateOfCollection>2020-08-03T18:38:58Z</dr:dateOfCollection>
+    <dr:dateOfTransformation>2020-08-03T19:38:58Z</dr:dateOfTransformation>
+    <oaf:datasourceprefix>od_______267</oaf:datasourceprefix>
+  </header>
+  <metadata xmlns="http://namespace.openaire.eu/">
+    <dc:title>DEATHS</dc:title>
+    <dc:creator>Nikolaidou,Charitini</dc:creator>
+    <dc:creator nameIdentifier="0000-0001-6651-1178" nameIdentifierScheme="ORCID">Votsi,Nefta</dc:creator>
+    <dc:creator>Sgardelis,Steanos</dc:creator>
+    <dc:creator>Halley,John</dc:creator>
+    <dc:creator>Pantis,John</dc:creator>
+    <dc:creator>Tsiafouli,Maria</dc:creator>
+    <dc:date>1922-07</dc:date>
+    <dc:description/>
+    <dc:identifier>https://europepmc.org/articles/PMC1517292/</dc:identifier>
+    <dc:language>eng</dc:language>
+    <dc:subject>Articles</dc:subject>
+    <dc:type>Text</dc:type>
+    <dr:CobjCategory type="publication">0038</dr:CobjCategory>
+    <dr:CobjIdentifier/>
+    <oaf:dateAccepted>1922-07-01</oaf:dateAccepted>
+    <oaf:collectedDatasourceid>opendoar____::267</oaf:collectedDatasourceid>
+    <oaf:accessrights>OPEN</oaf:accessrights>
+    <oaf:hostedBy id="opendoar____::908" name="Europe PubMed Central"/>
+    <oaf:collectedFrom id="opendoar____::267" name="PubMed Central"/>
+    <oaf:identifier identifierType="pmc">PMC1517292</oaf:identifier>
+    <oaf:identifier identifierType="pmid">18738762</oaf:identifier>
+    <oaf:identifier identifierType="doi">10.3897/oneeco.2.e13718</oaf:identifier>
+  </metadata>
+  <about>
+    <provenance xmlns="http://www.openarchives.org/OAI/2.0/provenance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/provenance http://www.openarchives.org/OAI/2.0/provenance.xsd">
+      <originDescription altered="true" harvestDate="2018-07-13T13:07:32.339Z">
+        <baseURL>https://www.ncbi.nlm.nih.gov/pmc/oai/oai.cgi</baseURL>
+        <identifier>oai:pubmedcentral.nih.gov:1517292</identifier>
+        <datestamp>2006-08-14</datestamp>
+        <metadataNamespace>http://www.openarchives.org/OAI/2.0/oai_dc/</metadataNamespace>
+      </originDescription>
+    </provenance>
+    <oaf:datainfo>
+      <oaf:inferred>false</oaf:inferred>
+      <oaf:deletedbyinference>false</oaf:deletedbyinference>
+      <oaf:trust>0.9</oaf:trust>
+      <oaf:inferenceprovenance/>
+      <oaf:provenanceaction classid="sysimport:crosswalk:repository"
+                            classname="sysimport:crosswalk:repository"
+                            schemeid="dnet:provenanceActions" schemename="dnet:provenanceActions"/>
+    </oaf:datainfo>
+  </about>
+</record>