package de.gedoplan.seminar.sbt.di.exercise.domain;
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import jakarta.persistence.*;
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import java.util.Collections;
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import java.util.Date;
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import java.util.Map;
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import java.util.TreeMap;
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@Entity
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@Access(AccessType.FIELD)
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@Table(name = CocktailOrder.TABLE_NAME)
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public class CocktailOrder {
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public static final String TABLE_NAME = "DI_COCKTAIL_ORDER";
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public static final String TABLE_NAME_ORDER_DETAILS = "DI_COCKTAIL_ORDER_DETAILS";
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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private Integer id;
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@Temporal(TemporalType.TIMESTAMP)
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@Column(name = "ORDER_DATE")
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private Date orderDate;
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@ElementCollection(fetch = FetchType.EAGER)
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@CollectionTable(name = CocktailOrder.TABLE_NAME_ORDER_DETAILS, joinColumns = @JoinColumn(name = "ID"))
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@MapKeyColumn(name = "COCKTAIL_ID")
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@Column(name = "COCKTAIL_COUNT")
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private Map<String, Integer> orderDetails = new TreeMap<>();
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public Integer getId() {
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return id;
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}
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public Date getOrderDate() {
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return this.orderDate;
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}
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public Map<String, Integer> getOrderDetails() {
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return Collections.unmodifiableMap(this.orderDetails);
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}
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public boolean isPlaced() {
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return this.orderDate != null;
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}
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public void place() {
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if (!isPlaced()) {
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this.orderDate = new Date();
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}
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}
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public void addCocktail(String cocktailId) {
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if (isPlaced()) {
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throw new IllegalStateException("Placed order may not be changed");
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}
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this.orderDetails.merge(cocktailId, 1, (a, b) -> a + b);
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}
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}
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