# 5.5.1\. 使用 XDoclet 標記 很多Hibernate使用者更喜歡使用XDoclet`@hibernate.tags`將映射信息直接嵌入到源代碼中。我們不會在本文檔中涉及這個方法，因為嚴格說來，這屬于XDoclet的一部分。然而，我們包含了如下使用XDoclet映射的`Cat`類的例子。 ``` package eg; import java.util.Set; import java.util.Date; /** * @hibernate.class * table="CATS" */ public class Cat { private Long id; // identifier private Date birthdate; private Cat mother; private Set kittens private Color color; private char sex; private float weight; /* * @hibernate.id * generator-class="native" * column="CAT_ID" */ public Long getId() { return id; } private void setId(Long id) { this.id=id; } /** * @hibernate.many-to-one * column="PARENT_ID" */ public Cat getMother() { return mother; } void setMother(Cat mother) { this.mother = mother; } /** * @hibernate.property * column="BIRTH_DATE" */ public Date getBirthdate() { return birthdate; } void setBirthdate(Date date) { birthdate = date; } /** * @hibernate.property * column="WEIGHT" */ public float getWeight() { return weight; } void setWeight(float weight) { this.weight = weight; } /** * @hibernate.property * column="COLOR" * not-null="true" */ public Color getColor() { return color; } void setColor(Color color) { this.color = color; } /** * @hibernate.set * inverse="true" * order-by="BIRTH_DATE" * @hibernate.collection-key * column="PARENT_ID" * @hibernate.collection-one-to-many */ public Set getKittens() { return kittens; } void setKittens(Set kittens) { this.kittens = kittens; } // addKitten not needed by Hibernate public void addKitten(Cat kitten) { kittens.add(kitten); } /** * @hibernate.property * column="SEX" * not-null="true" * update="false" */ public char getSex() { return sex; } void setSex(char sex) { this.sex=sex; } } ``` 參考Hibernate網站更多的Xdoclet和Hibernate的例子