HHH-5947: Test case

hibernate-core/src/test/java/org/hibernate/test/annotations/uniqueconstraint/Building.java

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+package org.hibernate.test.annotations.uniqueconstraint;
+
+import javax.persistence.ManyToOne;
+import javax.persistence.MappedSuperclass;
+
+/**
+ * @author Manuel Bernhardt <bernhardt.manuel@gmail.com>
+ */
+@MappedSuperclass
+public class Building {
+
+    public Long height;
+
+    private Room room;
+
+    public Long getHeight() {
+        return height;
+    }
+
+    public void setHeight(Long height) {
+        this.height = height;
+    }
+
+    @ManyToOne
+    public Room getRoom() {
+        return room;
+    }
+
+    public void setRoom(Room room) {
+        this.room = room;
+    }
+}

hibernate-core/src/test/java/org/hibernate/test/annotations/uniqueconstraint/House.java

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+package org.hibernate.test.annotations.uniqueconstraint;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+import javax.persistence.UniqueConstraint;
+
+/**
+ * @author Manuel Bernhardt <bernhardt.manuel@gmail.com>
+ */
+@Entity
+@Table(uniqueConstraints = {@UniqueConstraint(name = "uniqueWithInherited", columnNames = {"room", "cost"} )})
+public class House extends Building {
+
+    public Long id;
+
+    public Integer cost;
+
+    @Id
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public Integer getCost() {
+        return cost;
+    }
+
+    public void setCost(Integer cost) {
+        this.cost = cost;
+    }
+}

hibernate-core/src/test/java/org/hibernate/test/annotations/uniqueconstraint/Room.java

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+package org.hibernate.test.annotations.uniqueconstraint;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+
+/**
+ * @author Manuel Bernhardt <bernhardt.manuel@gmail.com>
+ */
+@Entity
+public class Room {
+
+    private Long id;
+
+    private String name;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    @Id
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+}

hibernate-core/src/test/java/org/hibernate/test/annotations/uniqueconstraint/UniqueConstraintTest.java

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+package org.hibernate.test.annotations.uniqueconstraint;
+
+import org.hibernate.JDBCException;
+import org.hibernate.Session;
+import org.hibernate.Transaction;
+import org.hibernate.test.annotations.TestCase;
+
+/**
+ * @author Manuel Bernhardt <bernhardt.manuel@gmail.com>
+ */
+public class UniqueConstraintTest extends TestCase {
+
+    protected Class[] getAnnotatedClasses() {
+        return new Class[]{
+                Room.class,
+                Building.class,
+                House.class
+        };
+    }
+
+    public void testUniquenessConstraintWithSuperclassProperty() throws Exception {
+        Session s = openSession();
+        Transaction tx = s.beginTransaction();
+        Room livingRoom = new Room();
+        livingRoom.setId(1l);
+        livingRoom.setName("livingRoom");
+        s.persist(livingRoom);
+        s.flush();
+        House house = new House();
+        house.setId(1l);
+        house.setCost(100);
+        house.setHeight(1000l);
+        house.setRoom(livingRoom);
+        s.persist(house);
+        s.flush();
+        House house2 = new House();
+        house2.setId(2l);
+        house2.setCost(100);
+        house2.setHeight(1001l);
+        house2.setRoom(livingRoom);
+        s.persist(house2);
+        try {
+            s.flush();
+            fail("Database constraint non-existant");
+        } catch(JDBCException e) {
+            //success
+        }
+        tx.rollback();
+        s.close();
+    }
+    
+}