List<Object[]> result = fts
	.createFullTextQuery(
			mj.createQuery(), 
			BaseWallPost.class)
	.setProjection(ProjectionConstants.ID, "post.id")
	.list();		
		
	for(Object[] tuple : result){
	//	Long postId = tuple[1] != null? Long.valueOf((String) tuple[1]) : null;
		Long postId = (Long) tuple[1];
	}
	
	@Entity
	public abstract class BaseComment{
	
		@Id
		@GeneratedValue(strategy = GenerationType.AUTO)
		@Column
		@Field(name="longCommentId",index=Index.YES,store=Store.YES,analyze=Analyze.NO)
		@DocumentId
		public Long id;
		
	}
	
	@Entity
	public abstract class BasePost extends BaseComment{

		@ManyToOne
		@JoinColumn
		@IndexedEmbedded(includePaths={"id","type","longCommentId"},indexNullAs=Field.DEFAULT_NULL_TOKEN,includeEmbeddedObjectId=true)
		@ContainedIn//Update the shareCount
		public Post post;
	
	}

	@Entity
	public class Post extends BasePost{
	
	}

	@Entity
	public class Comment extends BaseComment{

		@ManyToOne
		@JoinColumn
		@IndexedEmbedded(includePaths={"id","type","blocked","longCommentId"},indexNullAs=Field.DEFAULT_NULL_TOKEN,includeEmbeddedObjectId=true)
		@ContainedIn
		public BasePost post;
	
	}