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Book: replace BigDecimal price with embedded Money value object

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asmhatre
2026-07-25 08:19:45 +00:00
parent 68b40c903b
commit 9d42a42d26
1 changed files with 5 additions and 4 deletions
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9
src/main/java/com/ankurm/sdjpa4demo/domain/Book.java
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@@ -1,7 +1,6 @@
package com.ankurm.sdjpa4demo.domain; package com.ankurm.sdjpa4demo.domain;
import jakarta.persistence.*; import jakarta.persistence.*;
import java.math.BigDecimal;
@Entity @Entity
public class Book { public class Book {
@@ -12,14 +11,16 @@ public class Book {
private String title; private String title;
private BigDecimal price; // Money's fields become columns on the book table: amount -> price_amount, currency -> price_currency.
@Embedded
private Money price;
@ManyToOne(fetch = FetchType.LAZY) @ManyToOne(fetch = FetchType.LAZY)
private Author author; private Author author;
protected Book() { } protected Book() { }
public Book(String title, BigDecimal price, Author author) { public Book(String title, Money price, Author author) {
this.title = title; this.title = title;
this.price = price; this.price = price;
this.author = author; this.author = author;
@@ -27,7 +28,7 @@ public class Book {
public Long getId() { return id; } public Long getId() { return id; }
public String getTitle() { return title; } public String getTitle() { return title; }
public BigDecimal getPrice() { return price; } public Money getPrice() { return price; }
public Author getAuthor() { return author; } public Author getAuthor() { return author; }
@Override @Override