264 lines
12 KiB
Java
264 lines
12 KiB
Java
package eu.dnetlib.ariadneplus.elasticsearch;
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import eu.dnetlib.ariadneplus.elasticsearch.model.AriadnePlusEntry;
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import eu.dnetlib.ariadneplus.elasticsearch.model.AriadneResource;
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import eu.dnetlib.ariadneplus.elasticsearch.model.Spatial;
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import eu.dnetlib.ariadneplus.reader.ResourceManager;
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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 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.geo.GeoPoint;
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import org.elasticsearch.common.geo.builders.CoordinatesBuilder;
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import org.elasticsearch.common.geo.builders.PolygonBuilder;
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import org.elasticsearch.common.xcontent.XContentType;
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import org.locationtech.jts.algorithm.Centroid;
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import org.locationtech.jts.geom.Coordinate;
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import org.locationtech.jts.geom.Geometry;
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import org.locationtech.jts.geom.util.GeometryTransformer;
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import org.locationtech.jts.io.ParseException;
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import org.locationtech.jts.io.WKTReader;
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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.util.Arrays;
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import java.util.List;
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import java.util.Map;
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import java.util.Objects;
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import java.util.stream.Collectors;
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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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private WKTReader wktReader = new WKTReader();
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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 int index(ResourceManager manager, boolean isCollection) {
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BulkRequest request = new BulkRequest();
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int esResponseCode = 0;
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while (manager.hasNext()){
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try {
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Object next = manager.next();
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AriadnePlusEntry ace = ((AriadnePlusEntry) next);
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AriadneResource uri = new AriadneResource();
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uri.setUri(ace.getTypeURI());
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uri.setLabel(ace.getTypeLabel());
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ace.setHas_type(uri);
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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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if (ace.getSpatial()!=null) {
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ace.getSpatial()
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.stream()
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.filter(s -> Objects.nonNull(s.getLat()) && Objects.nonNull(s.getLon()))
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.forEach(s -> {
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double lat = Double.parseDouble(s.getLat());
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double lon = Double.parseDouble(s.getLon());
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org.elasticsearch.common.geo.GeoPoint geopoint = new org.elasticsearch.common.geo.GeoPoint(lat, lon);
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s.setGeopoint(geopoint);
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s.setCentroid(geopoint);
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});
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}
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if (isCollection) {
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ace.setResourceType("collection");
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if (ace.getSpatial()!=null) {
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ace.getSpatial()
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.stream()
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.filter(s -> Objects.nonNull(s.getWkt()))
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.forEach(s -> {
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s.setPolygon(s.getWkt());
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s.setCentroid(calculateCentroid(s.getWkt()));
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});
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}
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}
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else {
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ace.setResourceType("dataset");
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if (ace.getDigitalImage()!=null) {
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ace.getDigitalImage()
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.stream()
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.filter(i -> i.getProviderUri()!=null)
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.forEach(i -> {
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i.setPrimary("true");
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});
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}
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if (ace.getSpatial()!=null) {
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ace.getSpatial()
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.stream()
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.filter(s -> Objects.nonNull(s.getBoundingBoxMaxLat())
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&& Objects.nonNull(s.getBoundingBoxMaxLon())
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&& Objects.nonNull(s.getBoundingBoxMinLat())
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&& Objects.nonNull(s.getBoundingBoxMinLon()))
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.forEach(s -> {
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double maxlat = Double.parseDouble(s.getBoundingBoxMaxLat());
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double minlat = Double.parseDouble(s.getBoundingBoxMinLat());
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double minlon = Double.parseDouble(s.getBoundingBoxMinLon());
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double maxlon = Double.parseDouble(s.getBoundingBoxMaxLon());
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CoordinatesBuilder coordinatesBuilder = new CoordinatesBuilder();
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coordinatesBuilder.coordinate(minlon, maxlat);
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coordinatesBuilder.coordinate(minlon, minlat);
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coordinatesBuilder.coordinate(maxlon, minlat);
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coordinatesBuilder.coordinate(maxlon, maxlat);
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coordinatesBuilder.coordinate(minlon, maxlat);
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PolygonBuilder polygonBuilder = new PolygonBuilder(coordinatesBuilder);
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String wkt = polygonBuilder.toWKT();
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s.setBoundingbox(wkt);
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s.setCentroid(calculateCentroid(wkt));
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});
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ace.getSpatial()
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.stream()
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.filter(s -> Objects.nonNull(s.getPolygonGeoPoints()) && s.getPolygonGeoPoints().size() >= 4)
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.forEach(s -> {
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//FIXME: What did you want to do? Nothing is set anywhere
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CoordinatesBuilder coordinatesBuilder = new CoordinatesBuilder();
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s.getPolygonGeoPoints().forEach(p -> {
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coordinatesBuilder.coordinate(
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Double.parseDouble(p.getLon()),
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Double.parseDouble(p.getLat()));
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});
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});
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ace.getSpatial()
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.stream()
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.filter(s -> Objects.nonNull(s.getWkt()))
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.forEach(s -> {
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s.setPolygon(s.getWkt());
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s.setCentroid(calculateCentroid(s.getWkt()));
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});
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}
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}
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if (ace.getSpatial() != null) {
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if (ace.getSpatial().size() == 2) {
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Spatial uniqueSpatial = new Spatial();
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boolean uniquePlaceNameFound = ace.getSpatial().stream().filter(s -> s.getPlaceName()!=null).count()==1;
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boolean uniqueLocationFound = ace.getSpatial().stream().filter(s -> s.getGeopoint()!=null).count()==1;
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if (uniquePlaceNameFound&&uniqueLocationFound) {
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ace.getSpatial().stream().filter(s -> s.getPlaceName()!=null).forEach(s -> {
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uniqueSpatial.setPlaceName(s.getPlaceName());
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});
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ace.getSpatial().stream().filter(s -> s.getGeopoint()!=null).forEach(s -> {
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uniqueSpatial.setGeopoint(s.getGeopoint());
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uniqueSpatial.setCentroid(s.getGeopoint());
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});
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ace.getSpatial().clear();
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ace.setSpatial(Arrays.asList(uniqueSpatial));
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}
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}
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List<Spatial> dedupSpatials = removeDuplicates(ace.getSpatial());
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ace.getSpatial().clear();
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ace.setSpatial(dedupSpatials);
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}
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String[] splits = ace.getIdentifier().split("/");
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log.debug("JSON >>>> "+ace.toJson());
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String idES = splits[splits.length-1];
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request.add(new IndexRequest(elasticSearchIndexName).id(idES)
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.source(ace.toJson(),XContentType.JSON));
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long start = System.currentTimeMillis();
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BulkResponse bulkResponse = client.bulk(request, RequestOptions.DEFAULT);
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long end = System.currentTimeMillis();
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if (bulkResponse!=null) {
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esResponseCode = bulkResponse.status().getStatus();
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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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esResponseCode = -7;
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}
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}
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else {
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esResponseCode = -3;
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}
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log.debug(idES+" es_index_time(sec): "+(end-start)/1000+" response_code: "+esResponseCode);
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} catch (Throwable t) {
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t.printStackTrace();
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log.error("Indexing "+t.getMessage());
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return -1;
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}
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}
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return esResponseCode;
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}
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protected GeoPoint calculateCentroid(final String wkt){
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try {
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Geometry geo = wktReader.read(wkt);
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Coordinate coord = Centroid.getCentroid(geo);
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return new org.elasticsearch.common.geo.GeoPoint(coord.getY(), coord.getX());
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} catch (ParseException e) {
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log.fatal("Cannot calculate centroid for WKT "+wkt+"\n Cause: "+e.getCause().getMessage());
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return null;
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}
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}
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public static List<Spatial> removeDuplicates(List<Spatial> spatialList) {
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Map<String, List<Spatial>> duplicatesMap = getDuplicatesMap(spatialList);
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return duplicatesMap.values().stream()
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.filter(spatials -> spatials!=null)
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.map(spatials -> spatials.get(0))
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.collect(Collectors.toList());
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}
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private static Map<String, List<Spatial>> getDuplicatesMap(List<Spatial> spatialList) {
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return spatialList.stream().collect(Collectors.groupingBy(BulkUpload::uniqueAttributes));
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}
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private static String uniqueAttributes(Spatial spatial){
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if(Objects.isNull(spatial)){
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return StringUtils.EMPTY;
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}
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String name = "";
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if (!Objects.isNull(spatial.getPlaceName())) {
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name = spatial.getPlaceName();
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}
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String lat = "";
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String lon = "";
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if (!Objects.isNull(spatial.getGeopoint())) {
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lat = Double.toString(spatial.getGeopoint().getLat());
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lon = Double.toString(spatial.getGeopoint().getLon());
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}
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String uniqueAttribute = (name) + (lat) + (lon);
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return uniqueAttribute;
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}
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}
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