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package eu.dnetlib.data.mapreduce.hbase.broker.mapping;
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import java.io.StringReader;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import com.google.common.base.Function;
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import com.google.common.collect.Iterables;
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import com.google.common.collect.Lists;
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import com.google.common.collect.Maps;
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import com.google.common.collect.Sets;
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import eu.dnetlib.broker.objects.*;
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import eu.dnetlib.data.proto.FieldTypeProtos.StructuredProperty;
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import eu.dnetlib.data.proto.OafProtos.Oaf;
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import eu.dnetlib.data.proto.OafProtos.OafEntity;
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import eu.dnetlib.data.proto.ProjectProtos;
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import eu.dnetlib.data.proto.ResultProtos;
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import eu.dnetlib.data.proto.ResultProtos.Result;
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import org.apache.commons.lang.StringUtils;
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import org.dom4j.Document;
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import org.dom4j.DocumentException;
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import org.dom4j.io.SAXReader;
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import static eu.dnetlib.data.mapreduce.util.OafHbaseUtils.getKey;
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import static eu.dnetlib.data.mapreduce.util.OafHbaseUtils.getValue;
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/**
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* Created by claudio on 22/07/16.
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*/
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public abstract class ProtoMapping {
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protected static List<Instance> mapInstances(final List<Result.Instance> in) {
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final Set<Instance> instances = Sets.newHashSet(Iterables.transform(in, new Function<Result.Instance, Instance>() {
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@Override
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public Instance apply(final Result.Instance i) {
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return new Instance()
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.setHostedby(getValue(i.getHostedby()))
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.setInstancetype(getValue(i.getInstancetype()))
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.setLicense(getKey(i.getLicence()))
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.setUrl(Iterables.getFirst(i.getUrlList(), ""));
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}
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}));
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return Lists.newArrayList(instances);
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}
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protected static List<Pid> mapPids(final List<StructuredProperty> sp) {
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return Lists.newArrayList(Iterables.transform(sp, new Function<StructuredProperty, Pid>() {
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@Override
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public Pid apply(final StructuredProperty sp) {
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return new Pid().setType(sp.getQualifier().getClassid()).setValue(sp.getValue());
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}
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}));
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}
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protected static Journal mapJournal(final ResultProtos.Result.Journal j) {
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return new eu.dnetlib.broker.objects.Journal()
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.setName(j.getName())
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.setIssn(j.getIssnPrinted())
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.setEissn(j.getIssnOnline())
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.setLissn(j.getIssnLinking());
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}
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protected static List<ExternalReference> mapExternalRefs(final List<Result.ExternalReference> ext) {
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return Lists.newArrayList(Iterables.transform(ext, new Function<Result.ExternalReference, ExternalReference>() {
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@Override
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public ExternalReference apply(final Result.ExternalReference e) {
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return new ExternalReference()
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.setUrl(e.getUrl())
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.setType(getKey(e.getQualifier()))
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.setRefidentifier(e.getRefidentifier())
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.setSitename(e.getSitename());
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}
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}));
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}
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protected static final List<Project> mapRelatedProjects(final OafEntity entity) {
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final Map<String, Oaf> projectMap = Maps.newHashMap();
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for(Oaf rel : entity.getCachedOafRelList()) {
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final OafEntity p = rel.getRel().getCachedOafTarget().getEntity();
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projectMap.put(p.getId(), Oaf.newBuilder(rel).build());
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}
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return Lists.transform(Lists.newArrayList(projectMap.values()), getProjectMappingFunction());
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}
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protected static final Project mapRelatedProject(final ProjectProtos.Project project) {
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final Project p = new Project();
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final ProjectProtos.Project.Metadata mp = project.getMetadata();
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p.setCode(getValue(mp.getCode()));
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p.setAcronym(getValue(mp.getAcronym()));
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p.setTitle(getValue(mp.getTitle()));
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final String ftree = getValue(mp.getFundingtreeList());
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if (StringUtils.isNotBlank(ftree)) {
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try {
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final Document fdoc = new SAXReader().read(new StringReader(ftree));
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p.setFunder(fdoc.valueOf("/fundingtree/funder/shortname"));
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p.setJurisdiction(fdoc.valueOf("/fundingtree/funder/jurisdiction"));
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p.setFundingProgram(fdoc.valueOf("//funding_level_0/name"));
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} catch (final DocumentException e) {
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throw new RuntimeException(e);
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}
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}
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//System.out.println("ProtoMapping.mapRelatedProjects project = " + project.toJSON());
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return p;
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}
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private static Function<Oaf, Project> getProjectMappingFunction() {
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return new Function<Oaf, Project>() {
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@Override
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public Project apply(final Oaf oafRel) {
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return mapRelatedProject(oafRel.getRel().getCachedOafTarget().getEntity().getProject());
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}
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};
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}
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}
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