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package eu.dnetlib.openaire.exporter.datasource.clients;
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import java.io.IOException;
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import java.nio.charset.Charset;
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import java.util.List;
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import java.util.Queue;
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import com.google.common.collect.Lists;
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import eu.dnetlib.OpenaireExporterConfig;
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import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpService;
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import eu.dnetlib.openaire.exporter.datasource.clients.utils.IndexDsInfo;
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import org.apache.commons.io.IOUtils;
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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.cache.annotation.CacheEvict;
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import org.springframework.cache.annotation.Cacheable;
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import org.springframework.core.io.ClassPathResource;
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import org.springframework.stereotype.Component;
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/**
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* Created by claudio on 20/10/2016.
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*/
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@Component
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public class ISLookupClient {
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private static final Log log = LogFactory.getLog(ISLookupClient.class);
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@Autowired
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private OpenaireExporterConfig config;
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@Autowired
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private ISLookUpService isLookUpService;
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@Cacheable("datasources-is-cache")
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public IndexDsInfo calculateCurrentIndexDsInfo(final Queue<Throwable> errors) throws IOException {
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log.warn("calculateCurrentIndexDsInfo(): not using cache");
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final String[] arr = _isLookUp(_getQuery(config.getFindIndexDsInfo()), errors).split("@@@");
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return new IndexDsInfo(
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_isLookUp(_getQuery(config.getFindSolrIndexUrl()), errors),
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arr[0].trim(), arr[1].trim(), arr[2].trim());
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}
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@Cacheable("datasources-is-cache")
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public String getObjectStoreId(final String dsId, final Queue<Throwable> errors) throws IOException {
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log.warn(String.format("getObjectStoreId(%s): not using cache", dsId));
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final String xqueryTemplate = _getQuery(config.getFindObjectStore());
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return _isLookUp(String.format(xqueryTemplate, dsId), errors);
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}
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public List<String> getContextProfiles(final Queue<Throwable> errors) throws IOException {
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log.warn("getContextProfiles(): not using cache");
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final String xqueryTemplate = _getQuery(config.getFindFunderContexts());
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return _quickSeachProfile(xqueryTemplate, errors);
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}
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private String _getQuery(final ClassPathResource resource) throws IOException {
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return IOUtils.toString(resource.getInputStream(), Charset.defaultCharset());
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}
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private String _isLookUp(final String xquery, final Queue<Throwable> errors) {
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try {
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log.debug(String.format("running xquery: %s", xquery));
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final String res = isLookUpService.getResourceProfileByQuery(xquery);
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log.debug(String.format("query result: %s", res));
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return res;
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} catch (Throwable e) {
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errors.add(e);
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return "";
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}
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}
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private List<String> _quickSeachProfile(final String xquery, final Queue<Throwable> errors) {
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final List<String> res = Lists.newArrayList();
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try {
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log.debug(String.format("running xquery: %s", xquery));
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res.addAll(isLookUpService.quickSearchProfile(xquery)) ;
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log.debug(String.format("query result size: %s", res.size()));
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} catch (Throwable e) {
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errors.add(e);
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return Lists.newArrayList();
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} finally {
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return res;
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}
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}
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@CacheEvict(cacheNames = "datasources-is-cache", allEntries = true)
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public void dropCache() {
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log.info("dropped dsManager IS cache");
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}
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}
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