oneToMany,ManyToOne双向关联
package com.xuguang.ext.xgerp.comm.workshop.bean;import java.io.Serializable;import java.util.List;import javax.persistence.Entity;import javax.persistence.Id;import javax.persistence.JoinColumn;import javax.persistence.ManyToOne;import javax.persistence.OneToMany;import javax.persistence.OrderBy;import javax.persistence.Table;import javax.persistence.FetchType;import org.hibernate.annotations.NotFound;import org.hibernate.annotations.NotFoundAction;/** * 工作点 * @author ztw * */@Entity@Table(name="comm_workshop")public class WorkShop implements Serializable {/** * */private static final long serialVersionUID = -7502127838260795796L;/** * 关键字 */private String workshopPK;/** * 编号 */private String workshopNo;/** * 名称 */private String workshopName;/** * 类型 */private String workshopType;/** * 父 */private WorkShop father;/** * 子 */private List<WorkShop> sons;@Idpublic String getWorkshopPK() {return workshopPK;}public void setWorkshopPK(String workshopPK) {this.workshopPK = workshopPK;}public String getWorkshopNo() {return workshopNo;}public void setWorkshopNo(String workshopNo) {this.workshopNo = workshopNo;}public String getWorkshopName() {return workshopName;}public void setWorkshopName(String workshopName) {this.workshopName = workshopName;}public String getWorkshopType() {return workshopType;}public void setWorkshopType(String workshopType) {this.workshopType = workshopType;}@ManyToOne(targetEntity=WorkShop.class)@JoinColumn(name="fatherPK")@NotFound(action=NotFoundAction.IGNORE)public WorkShop getFather() {return father;}public void setFather(WorkShop father) {this.father = father;}@OneToMany(mappedBy="father",fetch=FetchType.EAGER)@OrderBy("workshopName")public List<WorkShop> getSons() {return sons;}public void setSons(List<WorkShop> sons) {this.sons = sons;}}