@Entity @Searchable
public class Department implements Serializable {
    /**
     * 
     */
    private static final long serialVersionUID = 1L;
    private int id;
    private String name;
    private String content;
    private Set<Employee> employee = new HashSet<Employee>();
    @Id @GeneratedValue @Column(length=16) @SearchableId
    public int getId() {
        return id;
    }
    public void setId(int id) {
        this.id = id;
    }
    @Column(length=32 , nullable=false)   @SearchableProperty(index=Index.NOT_ANALYZED,store=Store.YES)
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    @OneToMany(mappedBy ="department",cascade=CascadeType.ALL,fetch=FetchType.LAZY)
    public Set<Employee> getEmployee() {
        return employee;
    }
    public void setEmployee(Set<Employee> employee) {
        this.employee = employee;
    }
    @SearchableProperty(index=Index.NOT_ANALYZED,store=Store.YES)
    public String getContent() {
        return content;
    }
    public void setContent(String content) {
        this.content = content;
    }
    }

@Service
public class DepartmentServiceBean  extends DaoSupport<Department> implements DepartmentService{
    private CompassTemplate compassTemplate = null;
    @Resource
    public void setCompass(Compass compass){
        this.compassTemplate = new CompassTemplate(compass);
    }
     
    //某个产品类别下的产品
    public  QueryResult<Department> searchDeparment(String keyword, int firstIndex, int  maxResult) {   
         QueryResult<Department> qr = new  QueryResult<Department>();   
        try{
            qr = compassTemplate.execute(new QueryCallback(keyword,  firstIndex, maxResult));
         } catch  (CompassException e) {   
                  e.printStackTrace();   
         }finally {   
         }   
         return  qr;   
    }


}

public class QueryCallback implements CompassCallback<QueryResult<Department>>{
    private String keyword;
    private int  firstIndex; 
    private int  maxResult;
    
    public QueryCallback(String keyword, int firstIndex, int maxResult) {
        this.keyword = keyword;
        this.firstIndex = firstIndex;
        this.maxResult = maxResult;
    }

    public QueryResult<Department> doInCompass(CompassSession session)
            throws CompassException {
        QueryResult<Department> queryResult = new QueryResult<Department>();
        try {
        CompassHits hits =  session.find(keyword);
        int lenght = firstIndex + maxResult>hits.length()?hits.length():firstIndex + maxResult;
        queryResult.setTotalrecord(hits.length());
        List <Department> departList = new ArrayList<Department>();
        for (int i = firstIndex; i < lenght; i++) {
            Department department = (Department) hits.data(i);
            System.out.println("department="+department==null);
            if(hits.highlighter(i).fragment("name")!=null){
                department.setName(hits.highlighter(i).fragment("name"));
            }
            if(hits.highlighter(i).fragment("content")!=null){
                department.setContent(hits.highlighter(i).fragment(&