org.ladsn.jdbc.dao.impl.IdEntity Maven / Gradle / Ivy

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package org.ladsn.jdbc.dao.impl;

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

import org.hibernate.annotations.GenericGenerator;
import org.ladsn.jdbc.dao.Idable;

/**
 * 功能描述: 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.
 * 
 */
@MappedSuperclass
public abstract class IdEntity implements Idable {

	@Id
	@Column(length = 32, nullable = false)
	@GeneratedValue(generator = "UIDGenerator")
	@GenericGenerator(name = "UIDGenerator", strategy = "uuid")
	protected String id;

	public String getId() {
		return id;
	}

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

}