java - Hibernate 性能问题，响应太慢

Question

我正在做一个项目，一切正常，但问题是存在性能问题，代码响应太慢，我很困惑天气是我的映射问题，或者 Hibernate，或者我的编码风格。

每个代码都是工作属性，但我不知道该怎么做，但是即使在这个项目中的其他项目中，性能也太慢了，我还添加了分页，但这也不起作用，我必须等待得到响应。请帮我。

这是我的代码：

属性 .java

package org.property.companies.entitybeans;

import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.JoinTable;
import javax.persistence.OneToOne;
import javax.persistence.PrimaryKeyJoinColumn;
import javax.persistence.Table;

@Entity
@Table (name="property")
public class Property {
       @Id     
       @Column (name="property_id")
       @GeneratedValue(strategy = GenerationType.IDENTITY)
       private int property_id;
       @Column (name="p_user_id")
       private int p_user_id;  
       @Column (name="property_type_id")
       private int property_type_id;         
       @Column (name="property_for_id")
       private int property_for_id;         
       @Column (name="builder_id")
       private int builder_id;
       @Column (name="project_name")
       private String project_name;
       @Column (name="start_date")
       private String start_date;
       @Column (name="property_no")
       private String property_no;
       @Column (name="property_purpose")
       private String property_purpose;
       @Column (name="property_name_id")
       private int property_name_id;         
       @Column (name="block_building_name")
       private String block_building_name;     
       @Column (name="location_id")
       private int location_id;         
       @Column (name="area")
       private String area;         
       @Column (name="meas")
       private String meas;              
       @Column (name="bed_room")
       private String bed_room;         
       @Column (name="status")
       private String status;         
       @Column (name="price")
       private String price;                
       @Column (name="extra_features")
       private String extra_features;         
       @Column (name="company_id")
       private int company_id;         
       @Column (name="property_date")
       private String property_date;

       @OneToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
       @JoinTable(name = "property_owner", joinColumns = {
                @JoinColumn(name = "property_id")}, inverseJoinColumns = {
                @JoinColumn(name = "owner_id")})
       private PropertyOwner propertyowner;

       public Property() { }

       .. getter setter ..

}

PropertyOwner.java

package org.property.companies.entitybeans;

import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.OneToOne;
import javax.persistence.PrimaryKeyJoinColumn;
import javax.persistence.Table;

import org.hibernate.annotations.GenericGenerator;
import org.hibernate.annotations.Parameter;

@Entity
@Table (name="property_owner")
public class PropertyOwner {
    @Id
    @GeneratedValue
    @Column (name="owner_id")
    private int owner_id;   
    @Column (name="property_id")
    private int property_id;
    @Column (name="owner_name")
    private String owner_name;
    @Column (name="owner_no")
    private String owner_no; 
    @Column (name="owner_email")
    private String owner_email;
    @Column (name="booking_status")
    private String booking_status;
    @Column (name="booking_status_date")
    private String booking_status_date;
    @Column (name="remark")
    private String remark;   
    @Column (name="company_id")
    private int company_id;

    public PropertyOwner() { }


 Logic to get Residentail Property
 public List<ResidentialPropertyBean> getResidentialProperty(ResidentialPropertyActions rpa) {
    Session session = HibernateSessionFactory.getSessionFactory().openSession();
    Transaction transaction = null;
    List<ResidentialPropertyBean> residentialpropertylist = null;
    List<Property> result = null;

    try {
      transaction = session.beginTransaction();
      int id = Integer.parseInt(rpa.getCompany_id());
      Query query = session.createQuery("from Property p where p.company_id = "+id+"");
      result = query.list();  
      residentialpropertylist = new ArrayList<ResidentialPropertyBean>();
      for(Iterator it = result.iterator(); it.hasNext();) {
             Property p = (Property) it.next();
             PropertyOwner po = (PropertyOwner) p.getPropertyowner();

             ResidentialPropertyBean rpb = new ResidentialPropertyBean();

             rpb.setProperty_id(p.getProperty_id()+"");
             rpb.setResidential_property_user(p.getP_user_id()+"");
             rpb.setResidential_property_for(p.getProperty_for_id()+"");
             rpb.setResidential_property_type(p.getProperty_type_id()+"");
             rpb.setResidential_property_builder_name(p.getBuilder_id()+"");
             rpb.setResidentail_property_project_name(p.getProject_name());
             rpb.setResidentail_property_start_date(p.getStart_date());
             rpb.setResidential_property_no(p.getProperty_no());
             rpb.setResidential_property_name(p.getProperty_name_id()+"");
             rpb.setResidential_property_block_building_name(p.getBlock_building_name());
             rpb.setResidential_property_location(p.getLocation_id()+"");
             rpb.setResidential_property_area(p.getArea());
             rpb.setResidential_property_meas(p.getMeas());
             rpb.setResidential_property_bed_room(p.getBed_room());
             rpb.setResidential_property_status(p.getStatus());
             rpb.setResidential_property_price(p.getPrice());
             rpb.setResidential_property_extra_features(p.getExtra_features());
             rpb.setProperty_purpose(p.getProperty_purpose());

             rpb.setOwner_id(po.getOwner_id()+"");
             rpb.setResidential_property_owner_name(po.getOwner_name());
             rpb.setResidential_property_owner_phone(po.getOwner_no());
             rpb.setResidential_property_owner_email(po.getOwner_email());
             rpb.setResidential_property_booking_status(po.getBooking_status());
             rpb.setResidential_property_booking_status_date(po.getBooking_status_date());
             rpb.setResidential_property_remark(po.getRemark());

             residentialpropertylist.add(rpb);
      }
      session.getTransaction().commit();      
    }
    catch (Exception e) {
      e.printStackTrace();
      session.getTransaction().rollback();
      session.close();
    } finally {
      session.close();
    }
    return residentialpropertylist;
 }

住宅属性Bean.java

package org.property.companies.beans;

public class ResidentialPropertyBean {
    private String property_id;
    private String residential_property_user;
    private String residential_property_type;
    private String residential_property_for;
    private String residential_property_builder_name;
    private String residentail_property_project_name;
    private String residentail_property_start_date;
    private String residential_property_no;
    private String residential_property_name;
    private String property_purpose;
    private String residential_property_block_building_name;
    private String residential_property_location;
    private String residential_property_area;
    private String residential_property_meas;
    private String residential_property_bed_room;
    private String residential_property_status;
    private String residential_property_price;
    private String residential_property_price_meas;
    private String residential_property_extra_features;

    private String owner_id;
    private String residential_property_owner_name;
    private String residential_property_owner_phone;
    private String residential_property_owner_email;
    private String residential_property_booking_status;
    private String residential_property_booking_status_date;
    private String residential_property_remark;

struts.xml

 <action name="getResidentialProperty" class="org.property.companies.actions.ResidentialPropertyActions" method="getResidentialProperty" >
               <interceptor-ref name="companyStack" />
               <result name="success"  type="json" />
               <result name="login" type="redirectAction">index</result>    
           </action> 

JS文件

$(document).ready(function() {
            var residential_property_list = null;            
            var company_id = $("input[name='company_id']").val();

             dataTransation("getResidentialProperty.action",{token : "Verified", company_id : company_id},"GetResidentialProperty","json"); 

             function dataTransation(request,data,operation,type) {
                switch(type) {
                         case "default" : 
                                          $.ajax({
                                                type : "POST",
                                                data : data,
                                                url : request,
                                                success : function(response) {

                                                }
                                          });                                         
                                          break;
                         case "json" : 
                                          $.ajax({
                                                type : "POST",
                                                data : data,
                                                url : request,
                                                dataType : "json",
                                                success : function(response) {
                                                          if(operation == "GetResidentialProperty") {
                                                                 initializeResidentialPropertyList(response);                                                                
                                                          }
                                                }
                                          });                                         
                                          break;
                }
            }

            function initializeResidentialPropertyList(response) {
                residential_property_list = response;
                populateProperty();
            }


            function populateProperty() {
                $("#property_container").html("");

                $(residential_property_list.residentialproperty).each(function(index,data) {                         
                         $("#property_container").append("Fill Property Info");
                });
            }              
});