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package eu.dnetlib.data.search.solr;
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import eu.dnetlib.domain.EPR;
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import eu.dnetlib.domain.SecureDriverResource;
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import gr.uoa.di.driver.enabling.resultset.ResultSet;
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import gr.uoa.di.driver.enabling.resultset.ResultSetFactory;
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import io.micrometer.prometheus.PrometheusMeterRegistry;
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import org.apache.log4j.Logger;
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import org.apache.solr.client.solrj.impl.CloudSolrClient;
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import org.springframework.beans.factory.annotation.Autowired;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* Created by antleb on 2/4/14.
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*/
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public class SolrResultSetFactory implements ResultSetFactory {
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private Logger logger = Logger.getLogger(getClass());
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private Map<String, CloudSolrClient> clients = new HashMap<String, CloudSolrClient>();
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@Autowired
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private PrometheusMeterRegistry prometheusMeterRegistry;
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@Override
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public ResultSet<String> createResultSet(EPR epr) {
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try {
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String[] zkservers= epr.getAddress().split(",");
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CloudSolrClient solrClient;
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synchronized (clients) {
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solrClient = clients.get(epr.getAddress());
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}
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if (solrClient == null) {
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solrClient = new CloudSolrClient.Builder().withZkHost(Arrays.asList(zkservers)).build();
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clients.put(epr.getAddress(), solrClient);
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}
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ResultSet<String> solrResultSets = new SolrResultSet(epr, solrClient, prometheusMeterRegistry);
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return solrResultSets;
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} catch (Exception e) {
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logger.warn("Error creating solr client", e);
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}
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logger.debug("NOT HERE!");
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return null;
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}
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@Override
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public <D> ResultSet<D> createResultSet(EPR epr, Class<D> resourceClass) {
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return (ResultSet<D>) createResultSet(epr);
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}
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@Override
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public <D> ResultSet<D> createResultSet(ResultSet<?> rs, Class<D> resourceClass) {
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throw new UnsupportedOperationException();
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}
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@Override
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public <D extends SecureDriverResource> ResultSet<D> createSecurityAwareRS(EPR epr, Class<D> resourceClass) {
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throw new UnsupportedOperationException();
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}
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}
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