Hibernate @Transient实现临时字段映射

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

@Entity
@Table(name="container")
public class ContainerBean {
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private String id;

    private String name;
    private Integer state;

    /**
     * 临时字段，由原有字段合成新字段，
     * @Transient还可以在持久化类中直接获取关联表中的字段值
     * @Transient表示该属性并非一个到数据库表的字段的映射,ORM框架将忽略该属性
     * 如果一个属性并非数据库表的字段映射,就务必将其标示为@Transient,否则,ORM框架默认其注解为@Basic
     */
    @Transient
    private String containerState;


    public String getId() {
        return id;
    }

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

    public String getName() {
        return name;
    }

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

    public Integer getState() {
        return state;
    }

    public void setState(Integer state) {
        this.state = state;
    }

    public String getContainerState() {
        if(this.getState()==1){
            return "运行中";
        }else if(this.getState()==0){
            return "未运行";
        }else{
            return "异常";
        }
    }

    public void setContainerState(String containerState) {
        this.containerState = containerState;
    }

}