View Javadoc
1   package de.dlr.shepard.neo4Core.dao;
2   
3   import de.dlr.shepard.neo4Core.entities.TimeseriesContainer;
4   import de.dlr.shepard.util.CypherQueryHelper;
5   import de.dlr.shepard.util.CypherQueryHelper.Neighborhood;
6   import de.dlr.shepard.util.QueryParamHelper;
7   import jakarta.enterprise.context.RequestScoped;
8   import java.util.ArrayList;
9   import java.util.HashMap;
10  import java.util.List;
11  import java.util.Map;
12  
13  @RequestScoped
14  public class TimeseriesContainerDAO extends GenericDAO<TimeseriesContainer> {
15  
16    public List<TimeseriesContainer> findAllTimeseriesContainers(QueryParamHelper params, String username) {
17      String query;
18      Map<String, Object> paramsMap = new HashMap<>();
19      paramsMap.put("name", params.getName());
20      if (params.hasPagination()) {
21        paramsMap.put("offset", params.getPagination().getOffset());
22        paramsMap.put("size", params.getPagination().getSize());
23      }
24  
25      query = String.format(
26        "MATCH %s WHERE %s WITH c",
27        CypherQueryHelper.getObjectPart("c", "TimeseriesContainer", params.hasName()),
28        CypherQueryHelper.getReadableByQuery("c", username)
29      );
30      if (params.hasOrderByAttribute()) {
31        query += " " + CypherQueryHelper.getOrderByPart("c", params.getOrderByAttribute(), params.getOrderDesc());
32      }
33      if (params.hasPagination()) {
34        query += " " + CypherQueryHelper.getPaginationPart();
35      }
36      query += " " + CypherQueryHelper.getReturnPart("c", Neighborhood.ESSENTIAL);
37      var result = new ArrayList<TimeseriesContainer>();
38      for (var container : findByQuery(query, paramsMap)) {
39        if (matchName(container, params.getName())) {
40          result.add(container);
41        }
42      }
43      return result;
44    }
45  
46    private boolean matchName(TimeseriesContainer container, String name) {
47      return name == null || container.getName().equalsIgnoreCase(name);
48    }
49  
50    @Override
51    public Class<TimeseriesContainer> getEntityType() {
52      return TimeseriesContainer.class;
53    }
54  }