问题描述
我有两个POJO,STOCK和STOCK_DETAILS(一对多关系)。
我也有一个接口IAUDITLOG(有两种方法)。我需要用BOTH POJO来实现这个接口,并且希望在这些方法中编写一些实现。但是当我使用子类STOCKDETAILS实现IAUDITLOG接口时,它会给出例外情况你应该拥有setter属性
STOCK CLASS:
@Entity
@Table(name =stock)
public class Stock实现java.io.Serializable,IAuditLog
{
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Basic(可选= false)
@Column(name =id)
private Integer stockId;
@Column(name =STOCK_CODE)
private String stockCode;
@Column(name =STOCK_NAME)
private String stockName;
@OneToMany(fetch = FetchType.LAZY,mappedBy =stock)
public Set< StockDetail> stockDetails = new HashSet< StockDetail>(0);
public Set< StockDetail> getStockDetails(){
return stockDetails;
}
public void setStockDetails(Set< StockDetail> stockDetails){
this.stockDetails = stockDetails;
}
public Integer getStockId(){
return stockId;
}
public void setStockId(Integer stockId){
this.stockId = stockId;
}
public String getStockCode(){
return stockCode;
}
public void setStockCode(String stockCode){
this.stockCode = stockCode;
}
public String getStockName(){
return stockName;
}
public void setStockName(String stockName){
this.stockName = stockName;
}
// IAUDITLOG接口的重写方法
public int getLogId(){
return stockId;
}
public String getLogDetail(){
returnsome implementaion;
$ / code $ / pre
$ b $ p 股价详情类别
@Entity
@Table(name =StockDetail)
public class StockDetail实现Serializable,IAuditLog {
/ **
*
* /
private static final long serialVersionUID = 1L;
私人整数recordId;
私人股票股票;
私人Float priceOpen;
$ b @Id
@GeneratedValue
@Column(name =RECORD_ID,unique = true,nullable = false)
public Integer getRecordId() {
返回this.recordId;
}
public void setRecordId(Integer recordId){
this.recordId = recordId;
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name =STOCK_ID,nullable = false)
public Stock getStock(){
返回this.stock;
}
public void setStock(股票股票){
this.stock = stock;
@Column(name =PRICE_OPEN,precision = 6)
public Float getPriceOpen(){
return this.priceOpen;
}
public void setPriceOpen(Float priceOpen){
this.priceOpen = priceOpen;
}
// IADUTILOG接口的重写方法
public int getLogId(){
// TODO自动生成的方法存根
return 0;
}
public String getLogDetail(){
// TODO自动生成的方法存根
返回某些实现;
}
}
IAUDITLOg界面:
public interface IAuditLog {
public int getLogId();
public String getLogDetail();
}
STACK TRACE:
原因:org.hibernate.MappingException:无法获得org.hibernate.persister.entity.SingleTableEntityPersister的构造函数
位于org.hibernate.persister.internal.PersisterFactoryImpl.create (PersisterFactoryImpl.java:185)
。在org.hibernate.persister.internal.PersisterFactoryImpl.createEntityPersister(PersisterFactoryImpl.java:135)$ b $ LT b。在org.hibernate.internal.SessionFactoryImpl&;初始化>(SessionFactoryImpl。
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1760)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1798)
org.springframework.orm.hibernate4.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:373)
org.springframework .orm .hibernate4.LocalSessionFactoryBean.afterPropertiesSet(LocalSessionFactoryBean.java:358)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1571)
at org.springframework.beans.factory .support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1509)
... 46 more
引起:org.hibernate.HibernateException:无法实例化默认的tuplizer [org.hibernate.tuple.entity.PojoEntityTuplizer ]在org.hibernate.tuple.entity.EntityTuplizerFactory.constructTuplizer(EntityTuplizerFactory.java:138)
。在org.hibernate.tuple.entity.EntityTuplizerFactory.constructDefaultTuplizer(EntityTuplizerFactory.java:188)
在org.hibernate.tuple.entity.EntityMetamodel。< init>(EntityMetamodel.java:341)
at org.hibernate.persister.entity.AbstractEntityPersister。< init>(AbstractEntityPersister.java:507)
在o rg.hibernate.persister.entity.SingleTableEntityPersister<初始化>(SingleTableEntityPersister.java:146)
。在sun.reflect.NativeConstructorAccessorImpl.newInstance0(本机方法)
。在sun.reflect.NativeConstructorAccessorImpl.newInstance( NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at org.hibernate.persister.internal.PersisterFactoryImpl.create(PersisterFactoryImpl.java:163)
... 55 more
引起:java.lang.reflect.InvocationTargetException $ b $ sun at sun.reflect .NativeConstructorAccessorImpl.newInstance0(本地方法)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
在java.lang.reflect.Co
at org.hibernate.tuple.entity.EntityTuplizerFactory.constructTuplizer(EntityTuplizerFactory.java:135)
... 64 more
由org.hibernate.tuple.eu提供的org.hibernate.tuple.entity(Constructor.java:526)org .hibernate.PropertyNotFoundException:在类com.auditLog.common.StockDetail
中找不到属性logDetail的setter。org.hibernate.property.BasicPropertyAccessor.createSetter(BasicPropertyAccessor.java:252)
at org。 hibernate.property.BasicPropertyAccessor.getSetter(BasicPropertyAccessor.java:245)
在org.hibernate.mapping.Property.getSetter(Property.java:326)
在org.hibernate.tuple.entity.PojoEntityTuplizer。 buildPropertySetter(PojoEntityTuplizer.java:444)LT
。在org.hibernate.tuple.entity.AbstractEntityTuplizer&;初始化>(AbstractEntityTuplizer.java:201)
。在org.hibernate.tuple.entity.PojoEntityTuplizer<。 ; init>(PojoEntityTuplizer.java:82)
... 69 more
2014年2月26日上午10点17分08秒org.apache.catalina.core.StandardWr apperValve调用
SEVERE:分配servlet调度器的异常
org.hibernate.PropertyNotFoundException:无法在类com.auditLog.common.StockDetail中找到属性logDetail的setter org.hibernate.property
.BasicPropertyAccessor.createSetter(BasicPropertyAccessor.java:252)
at org.hibernate.property.BasicPropertyAccessor.getSetter(BasicPropertyAccessor.java:245)
at org.hibernate.mapping.Property.getSetter(Property.java :326)在org.hibernate.tuple.entity.PojoEntityTuplizer.buildPropertySetter(PojoEntityTuplizer.java:444 LT
)
。在org.hibernate.tuple.entity.AbstractEntityTuplizer&; INIT>(AbstractEntityTuplizer.java: 201)
at org.hibernate.tuple.entity.PojoEntityTuplizer。< init>(PojoEntityTuplizer.java:82)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun .reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.ref lect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
在java.lang.reflect.Constructor.newInstance(Constructor.java:526)
在org.hibernate.tuple.entity.EntityTuplizerFactory.constructTuplizer( $ EntityTuplizerFactory.java:135)
at org.hibernate.tuple.entity.EntityTuplizerFactory.constructDefaultTuplizer(EntityTuplizerFactory.java:188)
at org.hibernate.tuple.entity.EntityMetamodel。< init>(EntityMetamodel .java:341)
at org.hibernate.persister.entity.AbstractEntityPersister。< init>(AbstractEntityPersister.java:507)
at org.hibernate.persister.entity.SingleTableEntityPersister。< init> (SingleTableEntityPersister.java:146)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
可以任何人请让我知道,可能是什么问题?为什么我应该为那些不属于该类的属性创建getter和setter,而是从其他接口实现。
FYI ...当我使用Parent类STOCK实现这个接口时,这工作正常
解决方案您应该注释使用@Transient重写的方法。
P.s。因为Hibernate 3默认情况下是懒惰的,所以不需要明确标记为懒惰。
I have two POJO's ,STOCK and STOCK_DETAILS (one to many relationship).Also I have one interface IAUDITLOG (having two methods). I need to implement this interface with BOTH POJO's and want to write some implementation within those methods. But when I implement IAUDITLOG interface with child class "STOCKDETAILS" then it gives exception "that you should have setter property"
STOCK CLASS:
@Entity
@Table(name = "stock")
public class Stock implements java.io.Serializable, IAuditLog
{
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
@Basic(optional = false)
@Column(name = "id")
private Integer stockId;
@Column(name = "STOCK_CODE")
private String stockCode;
@Column(name = "STOCK_NAME")
private String stockName;
@OneToMany( fetch = FetchType.LAZY, mappedBy = "stock")
public Set<StockDetail> stockDetails = new HashSet<StockDetail>(0);
public Set<StockDetail> getStockDetails() {
return stockDetails;
}
public void setStockDetails(Set<StockDetail> stockDetails) {
this.stockDetails = stockDetails;
}
public Integer getStockId() {
return stockId;
}
public void setStockId(Integer stockId) {
this.stockId = stockId;
}
public String getStockCode() {
return stockCode;
}
public void setStockCode(String stockCode) {
this.stockCode = stockCode;
}
public String getStockName() {
return stockName;
}
public void setStockName(String stockName) {
this.stockName = stockName;
}
// overridded methods of IAUDITLOG interface
public int getLogId() {
return stockId;
}
public String getLogDetail() {
return "some implementaion";
}
}
STOCK DETAILS CLASS
@Entity
@Table(name = "StockDetail")
public class StockDetail implements Serializable, IAuditLog {
/**
*
*/
private static final long serialVersionUID = 1L;
private Integer recordId;
private Stock stock;
private Float priceOpen;
@Id
@GeneratedValue
@Column(name = "RECORD_ID", unique = true, nullable = false)
public Integer getRecordId() {
return this.recordId;
}
public void setRecordId(Integer recordId) {
this.recordId = recordId;
}
@ManyToOne(fetch = FetchType.LAZY)
@JoinColumn(name = "STOCK_ID", nullable = false)
public Stock getStock() {
return this.stock;
}
public void setStock(Stock stock) {
this.stock = stock;
}
@Column(name = "PRICE_OPEN", precision = 6)
public Float getPriceOpen() {
return this.priceOpen;
}
public void setPriceOpen(Float priceOpen) {
this.priceOpen = priceOpen;
}
//overriddded methods of IADUTILOG inteface
public int getLogId() {
// TODO Auto-generated method stub
return 0;
}
public String getLogDetail() {
// TODO Auto-generated method stub
return "some implementation";
}
}
IAUDITLOg interface:
public interface IAuditLog {
public int getLogId();
public String getLogDetail();
}
STACK TRACE:
Caused by: org.hibernate.MappingException: Could not get constructor for org.hibernate.persister.entity.SingleTableEntityPersister
at org.hibernate.persister.internal.PersisterFactoryImpl.create(PersisterFactoryImpl.java:185)
at org.hibernate.persister.internal.PersisterFactoryImpl.createEntityPersister(PersisterFactoryImpl.java:135)
at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:385)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1760)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1798)
at org.springframework.orm.hibernate4.LocalSessionFactoryBuilder.buildSessionFactory(LocalSessionFactoryBuilder.java:247)
at org.springframework.orm.hibernate4.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:373)
at org.springframework.orm.hibernate4.LocalSessionFactoryBean.afterPropertiesSet(LocalSessionFactoryBean.java:358)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1571)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1509)
... 46 more
Caused by: org.hibernate.HibernateException: Unable to instantiate default tuplizer [org.hibernate.tuple.entity.PojoEntityTuplizer]
at org.hibernate.tuple.entity.EntityTuplizerFactory.constructTuplizer(EntityTuplizerFactory.java:138)
at org.hibernate.tuple.entity.EntityTuplizerFactory.constructDefaultTuplizer(EntityTuplizerFactory.java:188)
at org.hibernate.tuple.entity.EntityMetamodel.<init>(EntityMetamodel.java:341)
at org.hibernate.persister.entity.AbstractEntityPersister.<init>(AbstractEntityPersister.java:507)
at org.hibernate.persister.entity.SingleTableEntityPersister.<init>(SingleTableEntityPersister.java:146)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at org.hibernate.persister.internal.PersisterFactoryImpl.create(PersisterFactoryImpl.java:163)
... 55 more
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at org.hibernate.tuple.entity.EntityTuplizerFactory.constructTuplizer(EntityTuplizerFactory.java:135)
... 64 more
Caused by: org.hibernate.PropertyNotFoundException: Could not find a setter for property logDetail in class com.auditLog.common.StockDetail
at org.hibernate.property.BasicPropertyAccessor.createSetter(BasicPropertyAccessor.java:252)
at org.hibernate.property.BasicPropertyAccessor.getSetter(BasicPropertyAccessor.java:245)
at org.hibernate.mapping.Property.getSetter(Property.java:326)
at org.hibernate.tuple.entity.PojoEntityTuplizer.buildPropertySetter(PojoEntityTuplizer.java:444)
at org.hibernate.tuple.entity.AbstractEntityTuplizer.<init>(AbstractEntityTuplizer.java:201)
at org.hibernate.tuple.entity.PojoEntityTuplizer.<init>(PojoEntityTuplizer.java:82)
... 69 more
Feb 26, 2014 10:17:08 AM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Allocate exception for servlet dispatcher
org.hibernate.PropertyNotFoundException: Could not find a setter for property logDetail in class com.auditLog.common.StockDetail
at org.hibernate.property.BasicPropertyAccessor.createSetter(BasicPropertyAccessor.java:252)
at org.hibernate.property.BasicPropertyAccessor.getSetter(BasicPropertyAccessor.java:245)
at org.hibernate.mapping.Property.getSetter(Property.java:326)
at org.hibernate.tuple.entity.PojoEntityTuplizer.buildPropertySetter(PojoEntityTuplizer.java:444)
at org.hibernate.tuple.entity.AbstractEntityTuplizer.<init>(AbstractEntityTuplizer.java:201)
at org.hibernate.tuple.entity.PojoEntityTuplizer.<init>(PojoEntityTuplizer.java:82)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at org.hibernate.tuple.entity.EntityTuplizerFactory.constructTuplizer(EntityTuplizerFactory.java:135)
at org.hibernate.tuple.entity.EntityTuplizerFactory.constructDefaultTuplizer(EntityTuplizerFactory.java:188)
at org.hibernate.tuple.entity.EntityMetamodel.<init>(EntityMetamodel.java:341)
at org.hibernate.persister.entity.AbstractEntityPersister.<init>(AbstractEntityPersister.java:507)
at org.hibernate.persister.entity.SingleTableEntityPersister.<init>(SingleTableEntityPersister.java:146)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
CAN ANYONE PLEASE LET ME KNOW,what could be the problem??? Why should I create getter and setter for those properties which is not ACTUALLY belongs to that class, but implemented from some other interface.FYI... this works fine when I implement this interface with Parent class "STOCK"
解决方案 You should annotate the overridden methods with @Transient.
http://docs.oracle.com/javaee/5/api/javax/persistence/Transient.html
P.s. As of Hibernate 3 collections are lazy by default so there is no need to explicitly mark it as lazy.
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