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1   package de.dlr.shepard.neo4Core.entities;
2   
3   import de.dlr.shepard.mongoDB.StructuredData;
4   import de.dlr.shepard.util.Constants;
5   import de.dlr.shepard.util.HasId;
6   import java.util.ArrayList;
7   import java.util.List;
8   import java.util.Objects;
9   import lombok.Data;
10  import lombok.NoArgsConstructor;
11  import lombok.ToString;
12  import org.neo4j.ogm.annotation.NodeEntity;
13  import org.neo4j.ogm.annotation.Relationship;
14  
15  @NodeEntity
16  @Data
17  @NoArgsConstructor
18  public class StructuredDataReference extends BasicReference {
19  
20    @Relationship(type = Constants.HAS_PAYLOAD)
21    private List<StructuredData> structuredDatas = new ArrayList<>();
22  
23    @ToString.Exclude
24    @Relationship(type = Constants.IS_IN_CONTAINER)
25    private StructuredDataContainer structuredDataContainer;
26  
27    /**
28     * For testing purposes only
29     *
30     * @param id identifies the entity
31     */
32    public StructuredDataReference(long id) {
33      super(id);
34    }
35  
36    public void addStructuredData(StructuredData structuredData) {
37      structuredDatas.add(structuredData);
38    }
39  
40    @Override
41    public int hashCode() {
42      final int prime = 31;
43      int result = super.hashCode();
44      result = prime * result + Objects.hash(structuredDatas);
45      result = prime * result + HasId.hashcodeHelper(structuredDataContainer);
46      return result;
47    }
48  
49    @Override
50    public boolean equals(Object obj) {
51      if (this == obj) return true;
52      if (!super.equals(obj)) return false;
53      if (!(obj instanceof StructuredDataReference)) return false;
54      StructuredDataReference other = (StructuredDataReference) obj;
55      return (
56        HasId.equalsHelper(structuredDataContainer, other.structuredDataContainer) &&
57        Objects.equals(structuredDatas, other.structuredDatas)
58      );
59    }
60  }