HHH-5281 test-case

hibernate-core/src/matrix/java/org/hibernate/test/annotations/entity/HibernateAnnotationMappingTest.java

@@ -0,0 +1,57 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * Copyright (c) 2009, Red Hat, Inc. and/or its affiliates or third-party contributors as
+ * indicated by the @author tags or express copyright attribution
+ * statements applied by the authors.  All third-party contributions are
+ * distributed under license by Red Hat, Inc.
+ *
+ * This copyrighted material is made available to anyone wishing to use, modify,
+ * copy, or redistribute it subject to the terms and conditions of the GNU
+ * Lesser General Public License, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this distribution; if not, write to:
+ * Free Software Foundation, Inc.
+ * 51 Franklin Street, Fifth Floor
+ * Boston, MA  02110-1301  USA
+ */
+package org.hibernate.test.annotations.entity;
+
+import static org.junit.Assert.fail;
+
+import java.util.ConcurrentModificationException;
+
+import org.hibernate.SessionFactory;
+import org.hibernate.cfg.Configuration;
+import org.hibernate.cfg.Environment;
+import org.hibernate.testing.TestForIssue;
+import org.hibernate.testing.junit4.BaseUnitTestCase;
+import org.junit.Test;
+
+/**
+ * @author Guenther Demetz
+ */
+public class HibernateAnnotationMappingTest extends BaseUnitTestCase {
+	
+	@Test
+	@TestForIssue( jiraKey = "HHH-5281" )
+	public void testUniqueConstraintAnnotationOnNaturalIds() throws Exception {
+		Configuration configuration = new Configuration();
+		configuration.setProperty( Environment.HBM2DDL_AUTO, "create-drop" );
+		configuration.addAnnotatedClass(Month.class);
+		SessionFactory sf = null;
+		try {
+			sf = configuration.buildSessionFactory();
+			sf.close();
+		}
+		catch (ConcurrentModificationException e) {
+			fail(e.toString()); 
+		}
+	}
+}

hibernate-core/src/matrix/java/org/hibernate/test/annotations/entity/Month.java

@@ -0,0 +1,63 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * Copyright (c) 2009, Red Hat, Inc. and/or its affiliates or third-party contributors as
+ * indicated by the @author tags or express copyright attribution
+ * statements applied by the authors.  All third-party contributions are
+ * distributed under license by Red Hat, Inc.
+ *
+ * This copyrighted material is made available to anyone wishing to use, modify,
+ * copy, or redistribute it subject to the terms and conditions of the GNU
+ * Lesser General Public License, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this distribution; if not, write to:
+ * Free Software Foundation, Inc.
+ * 51 Franklin Street, Fifth Floor
+ * Boston, MA  02110-1301  USA
+ */
+
+package org.hibernate.test.annotations.entity;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.Table;
+import javax.persistence.UniqueConstraint;
+
+import org.hibernate.annotations.NaturalId;
+
+/**
+ * @author Guenther Demetz
+ */
+@Entity
+@Table(uniqueConstraints = {@UniqueConstraint(columnNames={"year", "month"})}) 
+// Remark: Without line above, hibernate creates the combined unique index as follows: unique (month, year)
+// It seems that hibernate orders the attributes in alphabetic order
+// We indeed want to have the inverted sequence: year, month 
+// In this way queries with only year in the where-clause can take advantage of this index  
+// N.B.: Usually a user defines a combined index beginning with the most discriminating property
+public class Month  {
+	
+	@Id @GeneratedValue
+	private int id;
+
+	public int getId() {
+		return id;
+	}
+
+	public void setId(int id) {
+		this.id = id;
+	}
+	
+	@NaturalId
+	private int year;
+	
+	@NaturalId
+	private int month;
+
+}