TransactionP.java

import javax.persistence.*;
import java.util.LinkedList;
import java.util.List;
@Entity
public class TransactionP {
    @Id
    @GeneratedValue(
            strategy = GenerationType.AUTO
    )
    private int transcationNumber;
    private Integer Quantity;
    @OneToMany
    @JoinColumn(name = "TRANSACTION_FK")
    List<Product> products = new LinkedList<>();
    public TransactionP() {
    }
    public TransactionP(Integer quantity) {
        Quantity = quantity;
    }
    public int getTranscationNumber() {
        return transcationNumber;
    }
    public void setTranscationNumber(int transcationNumber) {
        this.transcationNumber = transcationNumber;
    }
    public Integer getQuantity() {
        return Quantity;
    }
    public void setQuantity(Integer quantity) {
        Quantity = quantity;
    }
    public void addProductToTransaction(Product product) {
        products.add(product);
    }
}