186 lines
8.0 KiB
Java
186 lines
8.0 KiB
Java
package eu.eudat.elastic.repository;
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import eu.eudat.elastic.criteria.DmpCriteria;
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import eu.eudat.elastic.entities.Dmp;
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import org.elasticsearch.action.admin.indices.delete.DeleteIndexRequest;
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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.index.IndexResponse;
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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.action.support.master.AcknowledgedResponse;
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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.core.CountRequest;
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import org.elasticsearch.client.core.CountResponse;
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import org.elasticsearch.client.indices.CreateIndexRequest;
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import org.elasticsearch.client.indices.GetIndexRequest;
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import org.elasticsearch.client.indices.PutMappingRequest;
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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.index.reindex.DeleteByQueryRequest;
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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.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.*;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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@Service("dmpRepository")
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public class DmpRepository extends ElasticRepository<Dmp, DmpCriteria> {
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private static final Logger logger = LoggerFactory.getLogger(DmpRepository.class);
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@Autowired
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public DmpRepository(RestHighLevelClient client) {
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super(client);
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}
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private void generateMapping() throws IOException {
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if (this.getClient() != null) {
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XContentBuilder builder = XContentFactory.jsonBuilder();
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builder.startObject();
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builder.startObject("properties");
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builder.startObject("datasets");
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builder.field("type", "nested");
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builder.endObject();
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builder.endObject();
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builder.endObject();
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PutMappingRequest putMappingRequest = new PutMappingRequest("dmps");
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putMappingRequest.source(builder);
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this.getClient().indices().putMapping(putMappingRequest, RequestOptions.DEFAULT);
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}
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}
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@Override
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public Dmp createOrUpdate(Dmp entity) throws IOException {
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if (this.getClient() != null) {
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XContentBuilder builder = XContentFactory.jsonBuilder();
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IndexRequest request = new IndexRequest("dmps").id(entity.getId().toString()).source(entity.toElasticEntity(builder));
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IndexResponse response = 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 Dmp findDocument(String id) throws IOException {
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if (this.getClient() != null) {
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GetRequest request = new GetRequest("dmps", id);
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GetResponse response = this.getClient().get(request, RequestOptions.DEFAULT);
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return new Dmp().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<Dmp> query(DmpCriteria 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");
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countRequest.query(QueryBuilders.boolQuery().mustNot(QueryBuilders.termsQuery(Dmp.MapKey.STATUS.getName(), Collections.singletonList(Dmp.DMPStatus.DELETED.getValue()))));
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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().mustNot(QueryBuilders.termsQuery(Dmp.MapKey.STATUS.getName(), Collections.singletonList(Dmp.DMPStatus.DELETED.getValue())));
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if (criteria.isPublic()) {
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boolQuery = boolQuery.should(QueryBuilders.termQuery(Dmp.MapKey.ISPUBLIC.getName(), true));
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boolQuery = boolQuery.should(QueryBuilders.termQuery(Dmp.MapKey.STATUS.getName(), Dmp.DMPStatus.FINALISED.getValue()));
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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()).fields(Stream.of(new Object[][]{
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{Dmp.MapKey.LABEL.getName(), 1.0f},
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{Dmp.MapKey.DESCRIPTION.getName(), 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.getTemplates() != null && criteria.getTemplates().size() > 0) {
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boolQuery = boolQuery.should(QueryBuilders.termsQuery(Dmp.MapKey.TEMPLATES.getName() + ".id.keyword", criteria.getTemplates().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(Dmp.MapKey.STATUS.getName(), criteria.getStatus().intValue()));
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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(Dmp.MapKey.GROUPID.getName(), 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(Dmp.MapKey.GRANT.getName() + ".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(Dmp.MapKey.COLLABORATORS.getName() + ".keyword", criteria.getCollaborators().stream().map(UUID::toString).collect(Collectors.toList())));
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}
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if (!criteria.isAllowAllVersions()) {
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boolQuery = boolQuery.should(QueryBuilders.termQuery(criteria.isPublic() ? Dmp.MapKey.LASTPUBLICVERSION.getName() : Dmp.MapKey.LASTVERSION.getName(), true));
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}
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if (criteria.getOrganizations() != null && criteria.getOrganizations().size() > 0) {
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boolQuery = boolQuery.should(QueryBuilders.termsQuery(Dmp.MapKey.ORGANIZATIONS.getName() + ".id.keyword", criteria.getOrganizations().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(Dmp.MapKey.GRANTSTATUS.getName(), criteria.getGrantStatus()));
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}
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if (boolQuery.should().isEmpty() && boolQuery.mustNot().isEmpty()) {
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boolQuery = 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 -> new Dmp().fromElasticEntity((Map<String, Object>) 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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public boolean createIndex() {
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try {
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if (!this.exists()) {
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CreateIndexRequest createIndexRequest = new CreateIndexRequest("dmps");
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this.getClient().indices().create(createIndexRequest, RequestOptions.DEFAULT);
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this.generateMapping();
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}
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return true;
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} catch (Exception e) {
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logger.error(e.getMessage(), e);
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return false;
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}
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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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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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if (exists()) {
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DeleteByQueryRequest delete = new DeleteByQueryRequest("dmps");
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delete.setQuery(QueryBuilders.matchAllQuery());
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this.getClient().deleteByQuery(delete, RequestOptions.DEFAULT);
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DeleteIndexRequest deleteIndexRequest = new DeleteIndexRequest("dmps");
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this.getClient().indices().delete(deleteIndexRequest, RequestOptions.DEFAULT);
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}
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}
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}
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