关联关系注解时报Could not determine type for错误的解决办法

检查所有的实体类的注解是不是都是统一写在属性上的,还是统一写在get方法上的。一定要统一。

另外如果要是所有实体类的id都是继承过来的,关键就要检查下这个id是不是跟其它注解是统一的。

如:

IdEntity.java

package com.bai.project.bean;

import javax.persistence.Column;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.MappedSuperclass;

@MappedSuperclass
public abstract class IdEntity {
	
	protected Long id;
	//这里的注解跟下面那个类的不统一,就会报错
	@Id
	@GeneratedValue(strategy = GenerationType.IDENTITY)
	@Column(name="id")
	public Long getId() {
		return id;
	}

	public void setId(Long id) {
		this.id = id;
	}
} 

Torganization.java

package com.bai.project.bean;

import java.util.Date;
import java.util.HashSet;
import java.util.Set;

import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.OneToMany;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;



//这里的注解全部都是注解在属性上的,上面那个类是注解在方法上的。就会报错,统一一下就不会报错了。
@Entity
@Table(name = "sys_organization")
public class Torganization extends IdEntity implements java.io.Serializable {
	@Column(name="O_createdatetime")
	private Date createdatetime;
	@Column(name="O_name")
	private String name;
	@Column(name="O_address")
	private String address;
	@Column(name="O_code")
	private String code;
	@Column(name="O_icon")
	private String icon;
	@Column(name="O_seq")
	private Integer seq;
	
	@ManyToOne(targetEntity=Torganization.class,cascade=CascadeType.ALL)
	@JoinColumn(name="O_organization_ID")
	private Torganization organization;
	
	@OneToMany(targetEntity=Torganization.class,cascade=CascadeType.ALL,mappedBy="organization")
	private Set<Torganization> organizations = new HashSet<Torganization>(0);

	public Torganization() {
		super();
	}

	public Torganization(Date createdatetime, String name, String address, String code, String icon, Integer seq,
			Torganization organization, Set<Torganization> organizations) {
		super();
		this.createdatetime = createdatetime;
		this.name = name;
		this.address = address;
		this.code = code;
		this.icon = icon;
		this.seq = seq;
		this.organization = organization;
		this.organizations = organizations;
	}

	public Torganization getOrganization() {
		return organization;
	}

	public void setOrganization(Torganization organization) {
		this.organization = organization;
	}


	public Date getCreatedatetime() {
		return createdatetime;
	}

	public void setCreatedatetime(Date createdatetime) {
		this.createdatetime = createdatetime;
	}

	public String getName() {
		return this.name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String getAddress() {
		return this.address;
	}

	public void setAddress(String address) {
		this.address = address;
	}

	public String getCode() {
		return this.code;
	}

	public void setCode(String code) {
		this.code = code;
	}

	public String getIcon() {
		return icon;
	}

	public void setIcon(String icon) {
		this.icon = icon;
	}

	public Integer getSeq() {
		return this.seq;
	}

	public void setSeq(Integer seq) {
		this.seq = seq;
	}

	public Set<Torganization> getOrganizations() {
		return organizations;
	}

	public void setOrganizations(Set<Torganization> organizations) {
		this.organizations = organizations;
	}

}



评论 1
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值