| foo.hbm.xml |
Foo.java |
|
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@Entity
public class Foo
// or:
@Entity(name="Foo")
public class CanBeNotFoo
// or:
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<class name="Foo" table="NotFoo">
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@Entity(name="Foo")
@Table(name="NotFoo")
public class Foo
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<cache usage="read-write" region="directory" />
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@Entity(name="Foo")
// ...
@Cacheable
@Cache(usage = CacheConcurrencyStrategy.READ_WRITE, region = "directory")
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<many-to-one name="test1" column="test_id" class="Test" />
<!-- default is lazy -->
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@ManyToOne(fetch = FetchType.LAZY) // default is EAGER
@JoinColumn(name="test_id")
Test test1;
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<property name="applyIfDone" column="apply_if_done" />
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@Column(name="apply_if_done")
Boolean applyIfDone;
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<property name="apply" />
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@Column(name="apply")
Boolean apply;
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<set name="testGroups" cascade="all-delete-orphan">
<cache usage="read-write" region="collection" />
<key column="group_id" />
<one-to-many class="GroupTest" />
</set>
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@OneToMany(orphanRemoval = true, cascade = {CascadeType.ALL}) // default fetch type is LAZY
@JoinColumn(name = "foo_id") // backref column to owner in GroupTest (unidir/bidir)
@Cache(usage = CacheConcurrencyStrategy.READ_WRITE, region = "collection")
private Collection<GroupTest> testGroups = ...
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<set name="targets" table="foo_targets">
<cache usage="read-write" region="collection" />
<key column="foo_id" />
<many-to-many class="Target" column="target_id" />
</set>
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// in Foo.java:
@ManyToMany // default fetch type is LAZY
@JoinTable(name = "foo_targets",
joinColumns = { @JoinColumn(name = "foo_id") },
inverseJoinColumns = { @JoinColumn(name = "target_id") })
@Cache(usage = CacheConcurrencyStrategy.READ_WRITE, region = "collection")
private Collection<Target> targets = ...
// in target.hbm.xml property "foos" is annotated with inverse="true"
// in Target.java:
@ManyToMany(mappedBy = "targets")
@Cache(usage = CacheConcurrencyStrategy.READ_WRITE, region = "collection")
private Collection<Foo> foos = ...
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<set name="valuesStrings" table="TestValue">
<cache usage="read-write" region="collection" />
<key column="id" />
<element type="String" column="value" />
</set>
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@ElementCollection
@CollectionTable(name = "TestValue", joinColumns = @JoinColumn(name = "id"))
@Column(name = "value")
@Cache(usage = CacheConcurrencyStrategy.READ_WRITE, region = "collection")
private Collection<String> valuesStrings = ...
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<joined-subclass name="Simple">
</joined-subclass>
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@Inheritance(strategy = InheritanceType.JOINED)
public class Simple ...
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<set name="testGroups" ... inverse="true">
...
<one-to-many class="GroupTest" />
</set>
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// in file Foo.java:
@OneToMany(mappedBy="fooBackRef")
private Collection<GroupTest> testGroups = ...
// in file GroupTest.java :
class GroupTest {
@ManyToOne
@JoinColumn(name="foo_backref_id")
Foo fooBackRef;
...
}
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<set name="..." cascade="save-update">
...
</set>
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// if you using pure JPA or Hibernate >= 3.x
@AnyToAny(cascade = { CascadeType.PERSIST, CascadeType.MERGE, CascadeType.REFRESH })
// For old Hibernate or for Hibernate Session instead of JPA Entity Manager, add:
@Cascade(value = org.hibernate.annotations.CascadeType.SAVE_UPDATE)
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