package org.springside.examples.showcase.common.entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.MappedSuperclass;
import org.hibernate.annotations.GenericGenerator;
/**
* 统一定义id的entity基类.
*
* 基类统一定义id的属性名称、数据类型、列名映射及生成策略.
* 子类可重载getId()函数重定义id的列名映射和生成策略.
*
* @author calvin
*/
//JPA Entity基类的标识
@MappedSuperclass
public abstract class IdEntity {
protected String id;
@Id
@GeneratedValue(generator = "UIDGenerator")
@GenericGenerator(name = "UIDGenerator", strategy = "org.springside.examples.showcase.common.dao.UIDGenerator")
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
}