关于hibernate search的@ContainedIn问题

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关于hibernate search的@ContainedIn问题10

@ContainedIn是用于将被包含的对象的变化通知包含者，然而我写的程序不起作用，具体有

@Indexed
@Entity
@Table(name="blog")
public class Blog {

	private String id;
	private String title;
	private String content;
	private Date createDate;
	private int sort;
	
	private Set<BlogType> blogTypes;
	private Auther auther;
	
	@Id
	@GeneratedValue(generator = "system-uuid")
	@GenericGenerator(name="system-uuid", strategy="uuid")
	@DocumentId
	public String getId() {
		return id;
	}
	public void setId(String id) {
		this.id = id;
	}
	@Column
	@Field(name="title",index=Index.TOKENIZED,store=Store.YES)
	public String getTitle() {
		return title;
	}
	public void setTitle(String title) {
		this.title = title;
	}
	@Column
	@Field(name="content",index=Index.TOKENIZED,store=Store.NO)
	public String getContent() {
		return content;
	}
	public void setContent(String content) {
		this.content = content;
	}
	@Column
	@Field(name="date",index = Index.UN_TOKENIZED, store = Store.YES)
	@DateBridge(resolution = Resolution.DAY)
	public Date getCreateDate() {
		return createDate;
	}
	public void setCreateDate(Date createDate) {
		this.createDate = createDate;
	}
	@Field(name="sort",index = Index.UN_TOKENIZED, store = Store.YES)
	@NumericField
	@Column
	public int getSort() {
		return sort;
	}
	public void setSort(int sort) {
		this.sort = sort;
	}
	@OneToMany(mappedBy="blog")
	public Set<BlogType> getBlogTypes() {
		return blogTypes;
	}
	public void setBlogTypes(Set<BlogType> blogTypes) {
		this.blogTypes = blogTypes;
	}
	@ManyToOne
	@JoinColumn(name="autherId")
	@IndexedEmbedded
	public Auther getAuther() {
		return auther;
	}
	public void setAuther(Auther auther) {
		this.auther = auther;
	}

@Indexed
@Entity
@Table(name="auther")
public class Auther {

	
	private String id;
	private String name;
	private Set<Blog> blogs;
	
	@Id
	@GeneratedValue(generator = "system-uuid")
	@GenericGenerator(name="system-uuid", strategy="uuid")
	@DocumentId
	public String getId() {
		return id;
	}
	public void setId(String id) {
		this.id = id;
	}
	@Column
	@Field(name="authername",index=Index.TOKENIZED,store=Store.YES)
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	
	@OneToMany(mappedBy="auther",cascade = CascadeType.ALL)
	@ContainedIn
	public Set<Blog> getBlogs() {
		return blogs;
	}
	public void setBlogs(Set<Blog> blogs) {
		this.blogs = blogs;
	}
}

想用blog搜索其属性对象auther。当保存blog时指定一个auther，用此auther可以把相应的blog查询出，但此时如果把auther修改一下，那么就不能用修改的值搜索，还只能用原来的查询。比如当我保存blog时，指定auther.name=admin，此时我可以用admin搜索出此blog。但当我此时把admin改为admins时用admins是不能搜索出此blog，但用原来的admin能搜索出。难道是设置的@ContainedIn不起作用吗，但我看API@ContainedIn确实是这种作用啊，求解？？？