Java 在hibernate中使用@Transient时出现异常
我想在bean类中有一个额外变量,因此我在额外成员变量上使用了@Transient,即字符串日期。正如我在其他教程中提到的那样 有如下额外的列Java 在hibernate中使用@Transient时出现异常,java,hibernate,jpa,jakarta-ee,transient,Java,Hibernate,Jpa,Jakarta Ee,Transient,我想在bean类中有一个额外变量,因此我在额外成员变量上使用了@Transient,即字符串日期。正如我在其他教程中提到的那样 有如下额外的列 package com.rasvek.cg.entity; // Generated May 14, 2018 11:39:07 PM by Hibernate Tools 5.1.7.Final import static javax.persistence.GenerationType.IDENTITY; import java.util.Dat
package com.rasvek.cg.entity;
// Generated May 14, 2018 11:39:07 PM by Hibernate Tools 5.1.7.Final
import static javax.persistence.GenerationType.IDENTITY;
import java.util.Date;
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.ManyToOne;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
import javax.persistence.Transient;
import com.fasterxml.jackson.annotation.JsonIgnore;
/**
* FeeTermDates generated by hbm2java
*/
@Entity
@Table(name = "fee_term_dates", catalog = "campus_guru_01")
public class FeeTermDates implements java.io.Serializable {
private int tdmId;
private FeeTerms feeTerms;
@Transient
private String date;
@Temporal(TemporalType.DATE)
private Date termDate;
public FeeTermDates() {
}
public FeeTermDates(int tdmId, FeeTerms feeTerms) {
this.tdmId = tdmId;
this.feeTerms = feeTerms;
}
public FeeTermDates(int tdmId, FeeTerms feeTerms, String date) {
this.tdmId = tdmId;
this.feeTerms = feeTerms;
this.date = date;
}
@Id
@GeneratedValue(strategy = IDENTITY)
@Column(name = "tdm_id", unique = true, nullable = false)
public int getTdmId() {
return this.tdmId;
}
public void setTdmId(int tdmId) {
this.tdmId = tdmId;
}
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "term_id", nullable = false)
public FeeTerms getFeeTerms() {
return this.feeTerms;
}
public void setFeeTerms(FeeTerms feeTerms) {
this.feeTerms = feeTerms;
}
@Column(name = "date")
public Date getTermDate() {
return termDate;
}
public void setTermDate(Date termDate) {
this.termDate = termDate;
}
public String getDate() {
return this.date;
}
public void setDate(String date) {
this.date = date;
}
}
但我的成绩却很差
org.hibernate.MappingException: Repeated column in mapping for entity: com.rasvek.cg.entity.FeeTermDates column: date (should be mapped with insert="false" update="false")
at org.hibernate.mapping.PersistentClass.checkColumnDuplication(PersistentClass.java:835)
at org.hibernate.mapping.PersistentClass.checkPropertyColumnDuplication(PersistentClass.java:853)
at org.hibernate.mapping.PersistentClass.checkColumnDuplication(PersistentClass.java:875)
at org.hibernate.mapping.PersistentClass.validate(PersistentClass.java:607)
at org.hibernate.mapping.RootClass.validate(RootClass.java:265)
at org.hibernate.boot.internal.MetadataImpl.validate(MetadataImpl.java:329)
at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:459)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:710)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:726)
at org.springframework.orm.hibernate5.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:511)
at org.springframework.orm.hibernate5.LocalSessionFactoryBean.afterPropertiesSet(LocalSessionFactoryBean.java:495)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1688)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1626)
... 77 more
在我的bean类中是否有额外成员变量的错误
或
还有其他方法吗?
有人能帮我吗?来自:
2.3.1默认访问类型
使用注释定义默认访问类型时
将映射注释放置在永久字段上
或实体类的持久属性指定访问类型
分别作为基于字段或基于属性的访问
- 当使用基于属性的访问时,对象/关系映射
实体类的注释注释getter属性
访问器[7],持久性提供程序运行时访问持久性
通过属性访问器方法声明。未注释的所有属性
对于
注释是持久的瞬态
@Transient