?? computerbook.java
字號:
package com.hibernatebook.annotations;
import javax.persistence.DiscriminatorValue;
import javax.persistence.Entity;
import javax.persistence.PrimaryKeyJoinColumn;
@Entity
@PrimaryKeyJoinColumn(name = "BOOK_ID")
public class ComputerBook extends Book {
private String softwareName;
// Constructors...
protected ComputerBook() {
}
public ComputerBook(String title, int pages) {
super(title, pages);
}
// Getter
public String getSoftwareName() {
return softwareName;
}
// Setter
public void setSoftwareName(String softwareName) {
this.softwareName = softwareName;
}
}
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