title: Set index on embedded document in Mongodb
body: <p>I use mongodb + springdata. My document looks like:</p>
  
  <pre><code>@Entity
  @Document(collection="MyCollection")
  public final class InfoItemMongoDBDocument {
  
      @Id
      private ObjectId id;
  
      @Column
      private String name;
  
      @Column
      @Indexed
      private int isFixed = 0;
  
  
      @Column
      private List&lt;DocumentCopies&gt; copy;
  </code></pre>
  
  <p>Where is DocumentCopies is POJO. Is it possible to set additional index on one of DocumentCopies field using Spring data annotations.</p>
  
  <p>Thanks a lot!</p>