108 lines
5.0 KiB
Java
108 lines
5.0 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 org.elasticsearch.client.core.CountRequest;
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import org.elasticsearch.client.core.CountResponse;
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import org.elasticsearch.client.indices.GetIndexRequest;
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import org.elasticsearch.action.get.GetRequest;
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import org.elasticsearch.action.get.GetResponse;
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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.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.QueryBuilders;
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import org.elasticsearch.search.builder.SearchSourceBuilder;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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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.UUID;
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import java.util.concurrent.ExecutionException;
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import java.util.stream.Collectors;
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@Service("datasetRepository")
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public class DatasetRepository extends ElasticRepository<Dataset, DatasetCriteria> {
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@Autowired
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public DatasetRepository(RestHighLevelClient client) {
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super(client);
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}
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@Override
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public Dataset createOrUpdate(Dataset entity) throws IOException {
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XContentBuilder builder = XContentFactory.jsonBuilder();
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IndexRequest request = new IndexRequest("datasets").id(entity.getId()).source(entity.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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@Override
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public Dataset findDocument(String id) throws IOException {
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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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@Override
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public List<Dataset> query(DatasetCriteria criteria) throws ExecutionException, InterruptedException, IOException {
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SearchRequest searchRequest = new SearchRequest("datasets");
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SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
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CountRequest countRequest = new CountRequest("datasets");
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countRequest.query(QueryBuilders.matchAllQuery());
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CountResponse countResponse = getClient().count(countRequest, RequestOptions.DEFAULT);
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Long count = countResponse.getCount();
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searchSourceBuilder.size(count.intValue());
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BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();
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if (criteria.getLabel() != null && !criteria.getLabel().isEmpty()) {
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boolQuery = boolQuery.should(QueryBuilders.matchPhrasePrefixQuery("label", criteria.getLabel()));
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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("template.keyword", 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("status.keyword", 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("dmp.keyword", criteria.getDmps().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("grant.keyword", criteria.getGrants().stream().map(UUID::toString).collect(Collectors.toList())));
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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("collaborators.id.keyword", criteria.getCollaborators().stream().map(UUID::toString).collect(Collectors.toList())));
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}
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if (boolQuery.should().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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searchSourceBuilder.query(boolQuery);
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searchRequest.source(searchSourceBuilder);
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SearchResponse response = this.getClient().search(searchRequest, RequestOptions.DEFAULT);
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return Arrays.stream(response.getHits().getHits()).map(x -> this.transformFromString(x.getSourceAsString(), Dataset.class)).collect(Collectors.toList());
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}
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@Override
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public boolean exists() throws IOException {
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GetIndexRequest request = new GetIndexRequest("datasets");
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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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}
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