Entity

Agent.java

import com.querydsl.core.annotations.QueryProjection;
import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;

import javax.persistence.*;

@Getter
@Setter
@Entity
@Table(name = "agent")
@NoArgsConstructor
@EqualsAndHashCode
public class Agent {
    @Id
    @Column(name="agent_idx")
    @GeneratedValue(strategy = GenerationType.AUTO)
    private long agentIdx;
    @Column(name = "agent_type")
    @Enumerated(EnumType.STRING)
    private AgentType agentType;
    @Transient
    private String agentNm;

    @QueryProjection
    public Agent(long agentIdx, String agentNm) {
        this.agentIdx = agentIdx;
        this.agentNm = agentNm;
    }


    public Agent(AgentType agentType) {
        this.agentType = agentType;
    }
}

Layout.java

import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;

import javax.persistence.*;

@Getter
@Setter
@Entity
@Table(name = "layout")
@EqualsAndHashCode
@NoArgsConstructor
public class Layout {
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    @Column(name = "layout_idx")
    private long layoutIdx;
    @Column(name = "i")
    private int i;
    @Column(name = "x")
    private int x;
    @Column(name = "y")
    private int y;
    @Column(name = "w")
    private int w;
    @Column(name = "h")
    private int h;
    @OneToOne
    @JoinColumn(name = "agent_idx", referencedColumnName = "agent_idx", nullable = false)
    private Agent agent;
}