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package eu.dnetlib.parthenos.jrr;
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import java.util.List;
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import eu.dnetlib.parthenos.virtuoso.VirtuosoReadAPI;
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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 org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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/**
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* Created by Alessia Bardi on 2019-06-26.
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*
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* @author Alessia Bardi
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*/
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@Component
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public class JRRPublisherHelper {
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private static final Log log = LogFactory.getLog(JRRPublisherHelper.class);
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protected final static int LIMIT = 100;
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protected static final String ANY_TIME_QUERY_MS = "1800000"; //1800000 == 3 mins
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@Autowired
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private VirtuosoReadAPI virtuosoReadAPI;
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@Autowired
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private JRRPublisher jrrPublisher;
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public int publish(final String typeNamespace, final String typeName, final String apiId, final String datasourceName) {
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int offset = 0;
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boolean again;
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int countSuccess = 0;
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int countFailed = 0;
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do {
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//get list of subjects of the entityType in the apiURI graph
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List<String> subjects = virtuosoReadAPI.getSubjectsForApiWithType(apiId, typeNamespace, typeName, LIMIT, offset);
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//get the RDF
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for(String subject : subjects) {
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try {
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String fullTypeName = typeNamespace + typeName;
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String record = virtuosoReadAPI.getRDF(subject, fullTypeName, apiId, ANY_TIME_QUERY_MS);
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//request publishing on JRR (need to have the OAI header with the proper subject as objIdentifier
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jrrPublisher.register(record, subject, datasourceName);
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countSuccess++;
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}catch(Throwable t){
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log.warn(String.format("Cannot publish %s with URL %s", typeName, subject));
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log.warn(t.getMessage());
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countFailed++;
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}
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}
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again = subjects.size() == LIMIT;
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offset += LIMIT;
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} while(again);
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log.info(String.format("%s : published %d, failed %d", typeName, countSuccess, countFailed));
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return countSuccess;
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}
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public JRRPublisherHelper(){
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}
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public VirtuosoReadAPI getVirtuosoReadAPI() {
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return virtuosoReadAPI;
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}
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public void setVirtuosoReadAPI(final VirtuosoReadAPI virtuosoReadAPI) {
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this.virtuosoReadAPI = virtuosoReadAPI;
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}
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public JRRPublisher getJrrPublisher() {
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return jrrPublisher;
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}
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public void setJrrPublisher(final JRRPublisher jrrPublisher) {
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this.jrrPublisher = jrrPublisher;
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}
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}
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