one :
many:
<many-to-one name="schedule" class="com.oa.beans.Schedule" fetch="select" update="false" cascade="all">
<column name="SCHEDULE_ID" precision="8" scale="0" not-null="true" />
</many-to-one>
Schedule.java:
public class Schedule implements java.io.Serializable {
// Fields
private Long scheduleId;
private Meetinginfo meetinginfo;
private String title;
private String address;
private Date begintime;
private Date endtime;
private String schcontent;
private Userinfo userinfo;
private Date createtime;
private Long ifprivate;
private Set precontracts = new HashSet(0);
// Constructors
// Property accessors
public Long getScheduleId() {
return this.scheduleId;
}
public void setScheduleId(Long scheduleId) {
this.scheduleId = scheduleId;
}
public Meetinginfo getMeetinginfo() {
return this.meetinginfo;
}
public void setMeetinginfo(Meetinginfo meetinginfo) {
this.meetinginfo = meetinginfo;
}
public String getTitle() {
return this.title;
}
public void setTitle(String title) {
this.title = title;
}
public String getAddress() {
return this.address;
}
public void setAddress(String address) {
this.address = address;
}
public Date getBegintime() {
return this.begintime;
}
public void setBegintime(Date begintime) {
this.begintime = begintime;
}
public Date getEndtime() {
return this.endtime;
}
public void setEndtime(Date endtime) {
this.endtime = endtime;
}
public String getSchcontent() {
return this.schcontent;
}
public void setSchcontent(String schcontent) {
this.schcontent = schcontent;
}
public Date getCreatetime() {
return this.createtime;
}
public void setCreatetime(Date createtime) {
this.createtime = createtime;
}
public Long getIfprivate() {
return this.ifprivate;
}
public void setIfprivate(Long ifprivate) {
this.ifprivate = ifprivate;
}
public Set getPrecontracts() {
return this.precontracts;
}
public void setPrecontracts(Set precontracts) {
this.precontracts = precontracts;
}
public Userinfo getUserinfo() {
return userinfo;
}
public void setUserinfo(Userinfo userinfo) {
this.userinfo = userinfo;
}
}
Precontract.java:
public class Precontract implements java.io.Serializable {
// Fields
private Long precontractId;
private Userinfo userinfo;
private Schedule schedule;
// Constructors
/** default constructor */
public Precontract() {
}
/** full constructor */
public Precontract(Userinfo userinfo, Schedule schedule) {
this.userinfo = userinfo;
this.schedule = schedule;
}
// Property accessors
public Long getPrecontractId() {
return this.precontractId;
}
public void setPrecontractId(Long precontractId) {
this.precontractId = precontractId;
}
public Userinfo getUserinfo() {
return this.userinfo;
}
public void setUserinfo(Userinfo userinfo) {
this.userinfo = userinfo;
}
public Schedule getSchedule() {
return this.schedule;
}
public void setSchedule(Schedule schedule) {
this.schedule = schedule;
}
}
异常:
org.springframework.jdbc.UncategorizedSQLException: Hibernate flushing: Could not execute JDBC batch update; uncategorized SQLException for SQL [update OA.PRECONTRACT set SCHEDULE_ID=null where SCHEDULE_ID=?]; SQL state [72000]; error code [1407]; ORA-01407: 无法更新 ("OA"."PRECONTRACT"."SCHEDULE_ID") 为 NULL
; nested exception is java.sql.BatchUpdateException: ORA-01407: 无法更新 ("OA"."PRECONTRACT"."SCHEDULE_ID") 为 NULL