@Entity
@Indexed
@Table(name="Resources")
@XmlRootElement(namespace="www.xxx.de", name="resource")
@JsonIgnoreProperties(value={"users","languages","areas","collections"})
public class Resource extends Transformable {

   protected Long id = null;

   protected String uuid = null;

   protected String name = null;

   protected String description = null;
…
   protected ResourceType type = null;

   protected Set<Language> languages = null;

   protected Set<Tag> tags = null;

   protected List<User> users = null;

   protected Set<Area> areas = null;
…
   @Id
   @GeneratedValue(strategy = GenerationType.AUTO)
   @Column(name = "resourceId")
   public Long getId() {
      return this.id;
   }

   public void setId(Long id) {
      this.id = id;
   }
…
// Here the indexing works beautifully! Example: Type.id:2
   @ManyToOne(cascade = {CascadeType.PERSIST, CascadeType.MERGE})
   @JoinColumn(name = "resourcetypeId", nullable = true, referencedColumnName = "resourcetypeId")
   @IndexedEmbedded(depth=1,targetElement=ResourceType.class)
   @JsonIgnore
   @XmlTransient
   public ResourceType getType() {
      return type;
   }

   public void setType(ResourceType type) {
      this.type = type;
   }
…
/* Although the index is created here, but there is also the IDs of the areas in the field IDs in which there are already RessourcenIDs. Therefore, a search on the index is not useful if I only want a certain resource of areas. Example: Areas.id: 2
*/
@ManyToMany(cascade = {CascadeType.PERSIST, CascadeType.MERGE})
   @IndexedEmbedded(depth = 1)
   @JoinTable(name = "resources_areas", joinColumns = {@JoinColumn(name = "resourceId")}, inverseJoinColumns = {@JoinColumn(name = "areaId")})
   @XmlTransient
   @JsonIgnore
   public Set<Area> getAreas() {
      return areas;
   }

   public void setAreas(Set<Area> areas) {
      this.areas = areas;
   }
   
   // Same here …
   @ManyToMany(cascade = {CascadeType.PERSIST, CascadeType.MERGE})
   @IndexedEmbedded(depth = 1)
   @JoinTable(name = "resources_collections", joinColumns = {@JoinColumn(name = "resourceId")}, inverseJoinColumns = {@JoinColumn(name = "collectionId")})
   @XmlTransient
   @JsonIgnore
   public Set<Collection> getCollections() {
      return collections;
   }

   public void setCollections(Set<Collection> collections) {
      this.collections = collections;
   }
   // and here
   @ManyToMany(cascade = {CascadeType.PERSIST, CascadeType.MERGE})
   @IndexedEmbedded(depth = 1)
   @JoinTable(name = "resources_languages", joinColumns = {@JoinColumn(name = "resourceId")}, inverseJoinColumns = {@JoinColumn(name = "languageId")})
   @XmlTransient
   @JsonIgnore
   public Set<Language> getLanguages() {
      return languages;
   }

   public void setLanguages(Set<Language> language) {
      this.languages = language;
   }

@Entity
@Indexed()
@Table(name = "Areas")
@XmlRootElement(namespace="www.xxx.de", name="area")
public class Area extends Transformable {

   protected Long id = null;

   protected String code = null;

   protected Set<Resource> resources = null;

   protected Set<Collection> collections = null;

   protected URI uri = null;
   protected List<URI> resourceUri = null;
   protected List<URI> collectionUri = null;
   
   public void transform(UriInfo uriInfo) {
      
       
       resourceUri = new LinkedList<URI>();
       collectionUri = new LinkedList<URI>();
       
          
       setUri(uriInfo.getAbsolutePathBuilder().path(getId().toString()).build());
       
      
        for(Resource r : getResources())
         resourceUri.add(uriInfo.getBaseUriBuilder().path("resource").path(r.getId().toString()).build());
      
      for(Collection c : getCollections())
         collectionUri.add(uriInfo.getBaseUriBuilder().path("collection").path(c.getId().toString()).build());
      
      setResourceUri(resourceUri);
      setCollectionUri(collectionUri);
   
   }
   
   
   
   @Transient
   public URI getUri() {
      return uri;
   }

   public void setUri(URI uri) {
      this.uri = uri;
   }

   @Transient
   @XmlElementWrapper(name="resources")
   public List<URI> getResourceUri() {
      return resourceUri;
   }

   public void setResourceUri(List<URI> resourceUri) {
      this.resourceUri = resourceUri;
   }

   @Transient
   @XmlElementWrapper(name="collections")
   public List<URI> getCollectionUri() {
      return collectionUri;
   }

   public void setCollectionUri(List<URI> collectionUri) {
      this.collectionUri = collectionUri;
   }

   public Area() {}

   public Area(String code) {
      this.code = code;
   }

   @Id
   @GeneratedValue(strategy = GenerationType.AUTO)
   @Column(name="areaId")
   public Long getId() {
      return this.id;
   }

   public void setId(Long id) {
      this.id = id;
   }

   @Column(name = "code", unique = true, nullable = false)
   @Field(store = Store.YES, index = Index.UN_TOKENIZED)
   public String getCode() {
      return code;
   }

   public void setCode(String code) {
      this.code = code;
   }

   @ManyToMany(mappedBy = "areas")
   @IndexedEmbedded(depth = 1)
   @XmlTransient
   @JsonIgnore
   public Set<Resource> getResources() {
      return resources;
   }

   public void setResources(Set<Resource> resources) {
      this.resources = resources;
   }

   @ManyToMany(mappedBy = "areas")
   @IndexedEmbedded(depth = 1)
   @XmlTransient
   @JsonIgnore
   public Set<Collection> getCollections() {
      return collections;
   }

   public void setCollections(Set<Collection> collections) {
      this.collections = collections;
   }
}

@Entity
@Indexed
@Table(name="ResourceTypes")
@XmlRootElement(namespace="www.xxx.de", name="resourceType")
public class ResourceType extends Transformable {
   
   protected Long id = null;
   
   protected String code = null;
   
   protected URI uri = null;
   protected List<URI> resourcesUri = null;
   
   
   @Transient
   public URI getUri() {
      return uri;
   }

   public void setUri(URI uri) {
      this.uri = uri;
   }

   
   
   @Transient
   @XmlElementWrapper(name="resources")   
   public List<URI> getResourcesUri() {
      return resourcesUri;
   }

   public void setResourcesUri(List<URI> resourcesUri) {
      this.resourcesUri = resourcesUri;
   }
   
   public ResourceType() {
   }
   
   public ResourceType(String code) {
      this.code = code;
   }
   
   @Id
   @GeneratedValue(strategy=GenerationType.AUTO)
   @Column(name="resourcetypeId")
   @DocumentId
   public Long getId() {
      return this.id;
   }
   
   public void setId(Long id) {
      this.id = id;
   }
   
   @Field(index = Index.TOKENIZED, store = Store.NO)
   @Column(name="code", unique=true, nullable=false)
   public String getCode() {
      return code;
   }

   public void setCode(String code) {
      this.code = code;
   }

   @Override
   public void transform(UriInfo uriInfo) {
      // TODO Auto-generated method stub
      
   }
}