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213 lines
12 KiB
Java
213 lines
12 KiB
Java
package eu.eudat.elastic.repository;
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import eu.eudat.elastic.criteria.DatasetCriteria;
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import eu.eudat.elastic.entities.Dataset;
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import eu.eudat.elastic.entities.Dmp;
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import eu.eudat.elastic.entities.Tag;
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import org.apache.lucene.search.join.ScoreMode;
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import org.elasticsearch.action.index.IndexRequest;
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import org.elasticsearch.action.search.SearchRequest;
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import org.elasticsearch.action.search.SearchResponse;
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import org.elasticsearch.client.RequestOptions;
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import org.elasticsearch.client.RestHighLevelClient;
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import org.elasticsearch.client.indices.GetIndexRequest;
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import org.elasticsearch.common.xcontent.XContentBuilder;
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import org.elasticsearch.common.xcontent.XContentFactory;
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import org.elasticsearch.index.query.BoolQueryBuilder;
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import org.elasticsearch.index.query.InnerHitBuilder;
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import org.elasticsearch.index.query.NestedQueryBuilder;
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import org.elasticsearch.index.query.QueryBuilders;
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import org.elasticsearch.search.SearchHits;
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import org.elasticsearch.search.aggregations.AggregationBuilders;
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import org.elasticsearch.search.aggregations.bucket.filter.FiltersAggregationBuilder;
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import org.elasticsearch.search.aggregations.bucket.filter.ParsedFilters;
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import org.elasticsearch.search.aggregations.bucket.nested.NestedAggregationBuilder;
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import org.elasticsearch.search.aggregations.bucket.nested.ParsedNested;
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import org.elasticsearch.search.builder.SearchSourceBuilder;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.stereotype.Service;
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import java.io.IOException;
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import java.util.*;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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@Service("datasetRepository")
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public class DatasetRepository extends ElasticRepository<Dataset, DatasetCriteria> {
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private final DmpRepository dmpRepository;
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public DatasetRepository(RestHighLevelClient client, DmpRepository dmpRepository) {
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super(client);
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this.dmpRepository = dmpRepository;
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}
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@Override
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public Dataset createOrUpdate(Dataset entity) throws IOException {
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if (this.getClient() != null) {
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XContentBuilder builder = XContentFactory.jsonBuilder();
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Dmp dmp = this.dmpRepository.findDocument(entity.getDmp().toString());
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boolean found = false;
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if (dmp.getDatasets() != null && !dmp.getDatasets().isEmpty()) {
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for (int i = 0; i < dmp.getDatasets().size(); i++) {
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if (dmp.getDatasets().get(i).getId().equals(entity.getId())) {
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dmp.getDatasets().set(i, entity);
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found = true;
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break;
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}
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}
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}
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if (!found) {
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if (dmp.getDatasets() == null) {
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dmp.setDatasets(new ArrayList<>());
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}
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dmp.getDatasets().add(entity);
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}
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IndexRequest request = new IndexRequest("dmps").id(dmp.getId().toString()).source(dmp.toElasticEntity(builder));//new IndexRequest("datasets", "doc", entity.getId()).source(entity.toElasticEntity(builder));
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this.getClient().index(request, RequestOptions.DEFAULT);
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return entity;
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}
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return null;
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}
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@Override
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public Dataset findDocument(String id) throws IOException {
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if (this.getClient() != null) {
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SearchRequest searchRequest = new SearchRequest("dmps");
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SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
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BoolQueryBuilder boolQuery = QueryBuilders.boolQuery().should(QueryBuilders.termQuery("datasets.id.keyword", id));
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NestedQueryBuilder nestedQueryBuilder = QueryBuilders.nestedQuery( "datasets", boolQuery, ScoreMode.Avg).innerHit(new InnerHitBuilder());
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searchSourceBuilder.query(nestedQueryBuilder);
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searchRequest.source(searchSourceBuilder);
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SearchResponse response = this.getClient().search(searchRequest, RequestOptions.DEFAULT);
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return ((Stream<Dataset>)Arrays.stream(response.getHits().getHits())
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.map(hit -> hit.getInnerHits().values()).flatMap(Collection::stream)
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.map(SearchHits::getHits).flatMap(Arrays::stream)
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.map(x -> new Dataset().fromElasticEntity(this.transformFromString(x.getSourceAsString(), Map.class)))).findFirst().orElse(null);
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// GetRequest request = new GetRequest("datasets", id);
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// GetResponse response = this.getClient().get(request, RequestOptions.DEFAULT);
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// return new Dataset().fromElasticEntity(response.getSourceAsMap());
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}
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return null;
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}
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@Override
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public List<Dataset> query(DatasetCriteria criteria) throws IOException {
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if (this.getClient() != null) {
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SearchRequest searchRequest = new SearchRequest("dmps");
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SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
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/*CountRequest countRequest = new CountRequest("dmps").routing("datasets").routing("id");
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countRequest.query(QueryBuilders.boolQuery().mustNot(QueryBuilders.termsQuery("datasets.status.keyword", Stream.of(Dataset.Status.DELETED.getValue(), Dataset.Status.CANCELED.getValue()).collect(Collectors.toList()))));
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CountResponse countResponse = getClient().count(countRequest, RequestOptions.DEFAULT);
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Long count = countResponse.getCount();*/
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SearchRequest countRequest = new SearchRequest("dmps");
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NestedAggregationBuilder nestedAggregationBuilder = AggregationBuilders.nested("by_dataset", "datasets");
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FiltersAggregationBuilder filtersAggregationBuilder = AggregationBuilders.filters("dataset_query", QueryBuilders.boolQuery().mustNot(QueryBuilders.termsQuery("datasets.status.keyword", Stream.of(Dataset.Status.DELETED.getValue(), Dataset.Status.CANCELED.getValue()).collect(Collectors.toList()))));
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nestedAggregationBuilder.subAggregation(filtersAggregationBuilder);
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SearchSourceBuilder countSourceBuilder = new SearchSourceBuilder();
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countSourceBuilder.aggregation(nestedAggregationBuilder);
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countRequest.source(countSourceBuilder);
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SearchResponse countResponse = getClient().search(countRequest, RequestOptions.DEFAULT);
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Long count = ((ParsedFilters)((ParsedNested)countResponse.getAggregations().asMap().get("by_dataset")).getAggregations().get("dataset_query")).getBuckets().get(0).getDocCount();
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searchSourceBuilder.size(count.intValue());
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BoolQueryBuilder boolQuery = QueryBuilders.boolQuery().mustNot(QueryBuilders.termsQuery("datasets.status", Stream.of(Dataset.Status.DELETED.getValue(), Dataset.Status.CANCELED.getValue()).collect(Collectors.toList())));
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if (criteria.isPublic()) {
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boolQuery = boolQuery.should(QueryBuilders.termQuery("datasets.public", "true"));
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boolQuery = boolQuery.should(QueryBuilders.termQuery("datasets.status", Dataset.Status.FINALISED.getValue()));
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boolQuery = boolQuery.should(QueryBuilders.termQuery("datasets.lastPublicVersion", "true"));
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}
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if (criteria.getLike() != null && !criteria.getLike().isEmpty()) {
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boolQuery = boolQuery.should(QueryBuilders.queryStringQuery(criteria.getLike()).allowLeadingWildcard(true).fields(Stream.of(new Object[][]{
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{"datasets.label", 1.0f},
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{"datasets.description", 1.0f},
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{"datasets.formData", 1.0f}
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}).collect(Collectors.toMap(data -> (String) data[0], data -> (Float) data[1]))));
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}
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if (criteria.getDatasetTemplates() != null && criteria.getDatasetTemplates().size() > 0) {
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boolQuery = boolQuery.should(QueryBuilders.termsQuery("datasets.template", criteria.getDatasetTemplates().stream().map(UUID::toString).collect(Collectors.toList())));
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}
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if (criteria.getStatus() != null) {
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boolQuery = boolQuery.should(QueryBuilders.termQuery("datasets.status", criteria.getStatus().toString()));
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}
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if (criteria.getDmps() != null && criteria.getDmps().size() > 0) {
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boolQuery = boolQuery.should(QueryBuilders.termsQuery("datasets.dmp", criteria.getDmps().stream().map(UUID::toString).collect(Collectors.toList())));
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}
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if (criteria.getGroupIds() != null && criteria.getGroupIds().size() > 0) {
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boolQuery = boolQuery.should(QueryBuilders.termsQuery("datasets.group", criteria.getGroupIds().stream().map(UUID::toString).collect(Collectors.toList())));
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}
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if (criteria.getGrants() != null && criteria.getGrants().size() > 0) {
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boolQuery = boolQuery.should(QueryBuilders.termsQuery("datasets.grant", criteria.getGrants().stream().map(UUID::toString).collect(Collectors.toList())));
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}
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if (criteria.getGrantStatus() != null) {
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boolQuery = boolQuery.should(QueryBuilders.termQuery("datasets.grantStatus", criteria.getGrantStatus().toString()));
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}
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if (criteria.getCollaborators() != null && criteria.getCollaborators().size() > 0) {
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boolQuery = boolQuery.should(QueryBuilders.termsQuery("datasets.collaborators.id", criteria.getCollaborators().stream().map(UUID::toString).collect(Collectors.toList())));
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}
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if (!criteria.isPublic()) {
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if (criteria.getAllowAllVersions() != null && !criteria.getAllowAllVersions()) {
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boolQuery = boolQuery.should(QueryBuilders.termQuery("datasets.lastVersion", "true"));
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}
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}
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if (criteria.getOrganiztions() != null && criteria.getOrganiztions().size() > 0) {
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boolQuery = boolQuery.should(QueryBuilders.termsQuery("datasets.organizations.id", criteria.getOrganiztions()));
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}
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if (criteria.getTags() != null && criteria.getTags().size() > 0) {
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boolQuery = boolQuery.should(QueryBuilders.termsQuery("datasets.tags.name", criteria.getTags().stream().map(Tag::getName).collect(Collectors.toList())));
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}
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if (boolQuery.should().isEmpty() && boolQuery.mustNot().isEmpty()) {
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boolQuery.should(QueryBuilders.matchAllQuery());
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} else {
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boolQuery.minimumShouldMatch(boolQuery.should().size());
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}
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NestedQueryBuilder nestedQueryBuilder = QueryBuilders.nestedQuery("datasets", boolQuery, ScoreMode.Avg).innerHit(new InnerHitBuilder());
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searchSourceBuilder.query(nestedQueryBuilder);
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searchRequest.source(searchSourceBuilder);
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SearchResponse response = this.getClient().search(searchRequest, RequestOptions.DEFAULT);
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return ((Stream<Dataset>)Arrays.stream(response.getHits().getHits())
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.map(hit -> hit.getInnerHits().values()).flatMap(Collection::stream)
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.map(SearchHits::getHits).flatMap(Arrays::stream)
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.map(x -> new Dataset().fromElasticEntity(this.transformFromString(x.getSourceAsString(), Map.class)))).collect(Collectors.toList());
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}
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return null;
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}
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@Override
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public boolean exists() throws IOException {
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if (this.getClient() != null) {
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GetIndexRequest request = new GetIndexRequest("dmps");
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// request.indices("datasets");
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return this.getClient().indices().exists(request, RequestOptions.DEFAULT);
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}
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return false;
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}
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@Override
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public void clear() throws IOException {
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//DON'T
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/* if (exists()) {
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DeleteByQueryRequest delete = new DeleteByQueryRequest("datasets");
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delete.setQuery(QueryBuilders.matchAllQuery());
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this.getClient().deleteByQuery(delete, RequestOptions.DEFAULT);
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}*/
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}
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}
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