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package eu.dnetlib.resolver.mdstore.plugin;
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import com.mongodb.DBObject;
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import com.mongodb.client.MongoCollection;
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import eu.dnetlib.dli.DLIUtils;
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import eu.dnetlib.dli.resolver.model.CompletionStatus;
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import eu.dnetlib.dli.resolver.model.DLIObjectRelation;
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import eu.dnetlib.dli.resolver.model.DLIResolvedObject;
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import eu.dnetlib.dli.resolver.model.serializer.DLIResolverSerializer;
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import eu.dnetlib.pid.resolver.PIDResolver;
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import eu.dnetlib.pid.resolver.mdstore.plugin.AbstractRecordResolver;
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import eu.dnetlib.pid.resolver.mdstore.plugin.RecordResolver;
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import eu.dnetlib.pid.resolver.mdstore.plugin.ResolverMDStorePlugin;
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import eu.dnetlib.pid.resolver.mdstore.plugin.ResolverSerializer;
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import eu.dnetlib.pid.resolver.model.ObjectRelation;
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import eu.dnetlib.pid.resolver.model.ObjectType;
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import eu.dnetlib.pid.resolver.model.PID;
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import eu.dnetlib.pid.resolver.model.ResolvedObject;
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import eu.dnetlib.resolver.parser.DLIParser;
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import org.antlr.stringtemplate.StringTemplate;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.BlockingQueue;
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import java.util.function.Function;
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/**
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* Created by sandro on 9/22/16.
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*/
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public class DLIRecordResolver extends AbstractRecordResolver {
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private static final Log log = LogFactory.getLog(DLIRecordResolver.class);
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private final DLIParser parser = new DLIParser();
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public DLIRecordResolver(long ts, boolean forceResolver) {
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super(ts);
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this.forceResolver = forceResolver;
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}
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public String resolve(final String inputRecord) {
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final DLIResolvedObject inputObject = (DLIResolvedObject) parser.parse(inputRecord);
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if (inputObject==null)
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return null;
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if (!forceResolver && StringUtils.isNoneBlank(inputObject.getResolvedDate()))
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return null;
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if (!StringUtils.isBlank(inputObject.getPid())) {
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log.debug("trying to resolve " + inputObject.getPid());
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}
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boolean shouldUpdate = false;
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if (inputObject.getCompletionStatus() == null || !inputObject.getCompletionStatus().equals(CompletionStatus.complete.toString())) {
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shouldUpdate = tryToResolveRecord(inputObject);
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}
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return resolveRelations(inputRecord, inputObject, shouldUpdate,s -> {
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try {
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return DLIUtils.getInverse(s);
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} catch (Exception e) {
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log.error("Error on getting Inverse relation from "+s, e);
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return "";
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}
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});
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}
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@Override
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protected Map<String, ObjectType> tryToResolveRelation(final PID currentPid) {
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if (currentPid.getId() != null && currentPid.getId().contains("dli_resolver")) {
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return null;
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}
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log.debug("tryToResolveRelation " + currentPid);
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DLIResolvedObject resolvedObject = (DLIResolvedObject) pluginResolver.get(0).retrievePIDfromCache(currentPid.getId(), currentPid.getType());
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final Map<String, ObjectType> result_from_cache = fixResolvedRelation(currentPid, resolvedObject);
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if (result_from_cache != null) return result_from_cache;
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for (PIDResolver resolver : pluginResolver) {
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final DLIResolvedObject currentIdentifier = (DLIResolvedObject) resolver.retrievePID(currentPid.getId(), currentPid.getType(), offline);
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final Map<String, ObjectType> result = fixResolvedRelation(currentPid, currentIdentifier);
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if (result != null) return result;
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}
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return null;
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}
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private Map<String, ObjectType> fixResolvedRelation(PID currentPid, DLIResolvedObject currentIdentifier) {
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if (currentIdentifier != null && !StringUtils.isBlank(currentIdentifier.getPid()) && currentIdentifier.getPid().toLowerCase().equals(currentPid.getId().toLowerCase())) {
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final HashMap<String, ObjectType> result = new HashMap<>();
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result.put("dli_resolver::" + DLIUtils.generateIdentifier(currentIdentifier.getPid(), currentIdentifier.getPidType()),
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currentIdentifier.getType());
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return result;
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}
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return null;
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}
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private boolean tryToResolveRecord(final DLIResolvedObject object) {
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DLIResolvedObject resolvedObject1 = (DLIResolvedObject) pluginResolver.get(0).retrievePIDfromCache(object.getPid(), object.getPidType());
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if (fixResolvedObject(object, pluginResolver.get(0), resolvedObject1)) return true;
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for (PIDResolver resolver : pluginResolver) {
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final DLIResolvedObject resolvedObject = (DLIResolvedObject) resolver.retrievePID(object.getPid(), object.getPidType(), offline);
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if (fixResolvedObject(object, resolver, resolvedObject)) return true;
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}
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log.debug("Record NOT Resolved PID: " + object.getPid());
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return false;
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}
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private boolean fixResolvedObject(DLIResolvedObject object, PIDResolver resolver, DLIResolvedObject resolvedObject) {
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if (resolvedObject != null &&
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resolvedObject.getCompletionStatus() != null &&
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resolvedObject.getCompletionStatus().equals(CompletionStatus.complete.toString())) {
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{
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object.setAuthors(resolvedObject.getAuthors());
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object.setTitles(resolvedObject.getTitles());
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object.setCompletionStatus(resolvedObject.getCompletionStatus());
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object.setDate(resolvedObject.getDate());
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object.getDatasourceProvenance().addAll(resolvedObject.getDatasourceProvenance());
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object.setDescription(resolvedObject.getDescription());
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object.setSubjects(resolvedObject.getSubjects());
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object.setType(resolvedObject.getType());
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log.debug("Record Resolved by " + resolver.getClass().getCanonicalName() + " PID: " + object.getPid());
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return true;
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}
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}
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return false;
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}
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public void setPluginResolver(final List<PIDResolver> pluginResolver) {
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this.pluginResolver = pluginResolver;
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}
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public BlockingQueue<DBObject> getInputQueue() {
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return inputQueue;
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}
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public void setInputQueue(final BlockingQueue<DBObject> inputQueue) {
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this.inputQueue = inputQueue;
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}
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public MongoCollection<DBObject> getOutputCollection() {
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return outputCollection;
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}
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public void setOutputCollection(final MongoCollection<DBObject> outputCollection) {
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this.outputCollection = outputCollection;
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}
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public void setSerializer(final ResolverSerializer serializer) {
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final DLIResolverSerializer tmp = new DLIResolverSerializer();
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tmp.setPmfTemplate(new StringTemplate(((DLIResolverSerializer) serializer).getPmfTemplate().getTemplate()));
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tmp.setDmfTemplate(new StringTemplate(((DLIResolverSerializer) serializer).getDmfTemplate().getTemplate()));
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tmp.setScholixTemplate(new StringTemplate(((DLIResolverSerializer) serializer).getScholixTemplate().getTemplate()));
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this.serializer = tmp;
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}
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}
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