Spring整合Jpa框架
阿新 • • 發佈:2018-11-09
package site.lx.dnf.entity;
import java.io.Serializable;
import java.util.HashSet;
import java.util.Set;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
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 org.hibernate.annotations.Cache;
import org.hibernate.annotations.CacheConcurrencyStrategy;
/***
* 導航欄選單
* @author Daniel
*
*/
@Entity
@Table(name="category")
@Cache(usage= CacheConcurrencyStrategy.READ_WRITE)
public class Category implements Serializable{
private static final long serialVersionUID = 2189694300886067425L;
private Long id;
private String name;//選單名稱
private String url;//連結地址
private Integer level;//級別
private Integer sort;
private Character status;
private Category parentCategory;
private Set<Category> childCategoryList = new HashSet<Category>();//二級選單集合
@Id
@Column(name = "ID", unique = true, nullable = false)
@GeneratedValue(strategy = GenerationType.IDENTITY)
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
@Column(name="name",nullable=false,length=20)
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
@Column(name="url")
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
@Column(name="level",unique=true,length=1)
public Integer getLevel() {
return level;
}
public void setLevel(Integer level) {
this.level = level;
}
@Column(name="sort")
public Integer getSort() {
return sort;
}
public void setSort(Integer sort) {
this.sort = sort;
}
@Column(name="status")
public Character getStatus() {
return status;
}
public void setStatus(Character status) {
this.status = status;
}
@Cache(usage=CacheConcurrencyStrategy.READ_WRITE)
@ManyToOne
@JoinColumn(name="parentId")
public Category getParentCategory() {
return parentCategory;
}
public void setParentCategory(Category parentCategory) {
this.parentCategory = parentCategory;
}
@Cache(usage=CacheConcurrencyStrategy.READ_WRITE)
@OneToMany(mappedBy="parentCategory",fetch = FetchType.EAGER)
@OrderBy(value="sort")
public Set<Category> getChildCategoryList() {
return childCategoryList;
}
public void setChildCategoryList(Set<Category> childCategoryList) {
this.childCategoryList = childCategoryList;
}
@Override
public String toString() {
return "Category [id=" + id + ", name=" + name + ", level=" + level + "]";
}
}