/*******************************************************************************
 * Copyright (c) 2005, 2014 springside.github.io
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 *******************************************************************************/
package com.yihu.jw;

import org.hibernate.annotations.GenericGenerator;
import org.springframework.data.annotation.CreatedBy;
import org.springframework.data.annotation.CreatedDate;
import org.springframework.data.annotation.LastModifiedBy;
import org.springframework.data.annotation.LastModifiedDate;
import org.springframework.data.jpa.domain.support.AuditingEntityListener;

import javax.persistence.*;
import java.util.Date;

/**
 * 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.
 * Oracle需要每个Entity独立定义id的SEQUCENCE时，不继承于本类而改为实现一个Idable的接口。
 * 
 * @author calvin
 */
// JPA 基类的标识
@MappedSuperclass
@EntityListeners(AuditingEntityListener.class)
public abstract class IdEntity {

	@Id
	@GeneratedValue(generator = "uuid")
	@GenericGenerator(name = "uuid", strategy = "uuid")
	protected String id;  // 非业务主键

	public String getId() {
		return id;
	}

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

}