130 lines
5.3 KiB
Java
130 lines
5.3 KiB
Java
package eu.dnetlib.ariadneplus.elasticsearch;
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import eu.dnetlib.ariadneplus.elasticsearch.model.*;
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import eu.dnetlib.ariadneplus.reader.ResourceManager;
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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.apache.http.HttpHost;
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import org.elasticsearch.action.bulk.BulkRequest;
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import org.elasticsearch.action.bulk.BulkResponse;
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import org.elasticsearch.action.index.IndexRequest;
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import org.elasticsearch.client.RequestOptions;
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import org.elasticsearch.client.RestClient;
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import org.elasticsearch.client.RestHighLevelClient;
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import org.elasticsearch.common.xcontent.XContentType;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Service;
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import javax.annotation.PostConstruct;
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import java.io.IOException;
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import java.lang.reflect.InvocationTargetException;
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import java.util.Arrays;
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@Service
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public class BulkUpload {
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private static final Log log = LogFactory.getLog(BulkUpload.class);
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@Value("${elasticsearch.hostname}")
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private String elasticSearchHostName;
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@Value("${elasticsearch.indexname}")
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private String elasticSearchIndexName;
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private RestHighLevelClient client;
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public void init(String elasticSearchHostName, String elasticSearchIndexName) throws IOException {
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this.elasticSearchIndexName = elasticSearchIndexName;
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client = new RestHighLevelClient(
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RestClient.builder(
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new HttpHost(elasticSearchHostName,9200,"http")));
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}
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@PostConstruct
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public void init() throws IOException {
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client = new RestHighLevelClient(
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RestClient.builder(
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new HttpHost(elasticSearchHostName,9200,"http")));
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}
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public void index(ResourceManager manager, boolean isCollection) {
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BulkRequest request = new BulkRequest();
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while (manager.hasNext()){
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try {
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Object next = manager.next();
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AriadneCatalogEntry ace = ((AriadneCatalogEntry) next);
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if (isCollection) {
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ace.setResourceType("collection");
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}
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else {
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ace.setResourceType("dataset");
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Spatial esSpatial = new Spatial();
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ace.getSpatial().stream().filter(s -> s.getPlaceName()!=null).forEach(s -> {
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esSpatial.setPlaceName(s.getPlaceName());
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});
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ace.getSpatial().stream().filter(s -> s.getLocation()!=null).forEach(s -> {
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esSpatial.setLocation(s.getLocation());
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});
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ace.getSpatial().clear();
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ace.setSpatial(Arrays.asList(esSpatial));
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}
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String uniqueIsPartOf = ace.getUniqueIsPartOf();
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if (uniqueIsPartOf!=null) {
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ace.setIsPartOf(Arrays.asList(uniqueIsPartOf));
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}
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if (ace.getContributor()!=null) {
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ace.getContributor().clear();
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ace.setContributor(ace.getCreator());
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}
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Distribution distribution = new Distribution();
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AgentInfo distrPublisher = new AgentInfo();
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distrPublisher.setEmail("");
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distrPublisher.setName("");
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distrPublisher.setType("");
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distribution.setPublisher(Arrays.asList(distrPublisher));
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ace.setDistribution(Arrays.asList(distribution));
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ItemMetadataStructure ims = new ItemMetadataStructure();
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ace.setHasItemMetadataStructure(Arrays.asList(ims));
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MetadataRecord mr = new MetadataRecord();
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Dex dex = new Dex();
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mr.setConformsTo(Arrays.asList(dex));
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ace.setHasMetadataRecord(Arrays.asList(mr));
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ace.setKeyword(Arrays.asList(new String("")));
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AgentInfo sr = new AgentInfo();
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ace.setScientificResponsible(Arrays.asList(sr));
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AgentInfo tr = new AgentInfo();
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ace.setTechnicalResponsible(Arrays.asList(tr));
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AgentInfo testPublisher = new AgentInfo();
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testPublisher.setName("TEST");
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ace.getPublisher().add(testPublisher);
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String[] splits = ace.getIdentifier().split("/");
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request.add(new IndexRequest(elasticSearchIndexName).id(splits[splits.length-1])
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.source(ace.toJson(),XContentType.JSON));
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BulkResponse bulkResponse = client.bulk(request, RequestOptions.DEFAULT);
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log.info("Indexing to ES completed with status: "+bulkResponse.status());
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if (bulkResponse.hasFailures()) {
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log.error("FailureMessage: "+bulkResponse.buildFailureMessage());
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}
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} catch (ClassNotFoundException e) {
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e.printStackTrace();
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} catch (NoSuchMethodException e) {
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e.printStackTrace();
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} catch (InstantiationException e) {
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e.printStackTrace();
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} catch (IllegalAccessException e) {
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e.printStackTrace();
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} catch (InvocationTargetException e) {
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e.printStackTrace();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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}
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