HHH-2448 Generate identical column aliases among cluster

hibernate-core/src/main/java/org/hibernate/cfg/Configuration.java

@@ -1621,12 +1621,16 @@ public class Configuration implements Serializable {
 		
 		//TODO: Somehow add the newly created foreign keys to the internal collection
 
+		LOG.debug( "Creating tables' unique integer identifiers" );
 		LOG.debug( "Processing foreign key constraints" );
 
 		itr = getTableMappings();
+		int uniqueInteger = 0;
 		Set<ForeignKey> done = new HashSet<ForeignKey>();
 		while ( itr.hasNext() ) {
-			secondPassCompileForeignKeys( (Table) itr.next(), done );
+			Table table = (Table) itr.next();
+			table.setUniqueInteger( uniqueInteger++ );
+			secondPassCompileForeignKeys( table, done );
 		}
 
 	}

hibernate-core/src/main/java/org/hibernate/mapping/Table.java

@@ -58,11 +58,10 @@ public class Table implements RelationalModel, Serializable {
 	private Map indexes = new LinkedHashMap();
 	private Map foreignKeys = new LinkedHashMap();
 	private Map<String,UniqueKey> uniqueKeys = new LinkedHashMap<String,UniqueKey>();
-	private final int uniqueInteger;
+	private int uniqueInteger;
 	private boolean quoted;
 	private boolean schemaQuoted;
 	private boolean catalogQuoted;
-	private static int tableCounter = 0;
 	private List checkConstraints = new ArrayList();
 	private String rowId;
 	private String subselect;
@@ -100,9 +99,7 @@ public class Table implements RelationalModel, Serializable {
 		}
 	}
 
-	public Table() {
+	public Table() { }
-		uniqueInteger = tableCounter++;
-	}
 
 	public Table(String name) {
 		this();
@@ -764,6 +761,12 @@ public class Table implements RelationalModel, Serializable {
 		}
 	}
 
+	// This must be done outside of Table, rather than statically, to ensure
+	// deterministic alias names.  See HHH-2448.
+	public void setUniqueInteger( int uniqueInteger ) {
+		this.uniqueInteger = uniqueInteger;
+	}
+
 	public int getUniqueInteger() {
 		return uniqueInteger;
 	}

hibernate-core/src/test/java/org/hibernate/test/mapping/AliasTest.java

@@ -0,0 +1,68 @@
+/* 
+ * Hibernate, Relational Persistence for Idiomatic Java
+ * 
+ * JBoss, Home of Professional Open Source
+ * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @authors tag. All rights reserved.
+ * See the copyright.txt in the distribution for a
+ * full listing of individual contributors.
+ *
+ * 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, v. 2.1.
+ * This program is distributed in the hope that it will be useful, but WITHOUT A
+ * 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,
+ * v.2.1 along with this distribution; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA  02110-1301, USA.
+ */
+package org.hibernate.test.mapping;
+
+import static org.junit.Assert.assertTrue;
+
+import java.util.Iterator;
+
+import org.hibernate.mapping.Table;
+import org.hibernate.testing.TestForIssue;
+import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
+import org.junit.Test;
+
+/**
+ * Column aliases utilize {@link Table#getUniqueInteger()} for naming.  The
+ * unique integer used to be statically generated by the Table class, meaning
+ * it was dependent on mapping order.  HHH-2448 made the alias names
+ * deterministic by having Configuration determine the unique integers on its
+ * second pass over the Tables tree map.  AliasTest and
+ * {@link MappingReorderedAliasTest} ensure that the unique integers are the
+ * same, regardless of mapping ordering.
+ * 
+ * @author Brett Meyer
+ */
+@TestForIssue( jiraKey = "HHH-2448" )
+public class AliasTest extends BaseCoreFunctionalTestCase {
+	
+	@Test
+	public void testAliasOrdering() {
+		Iterator<Table> tables = configuration().getTableMappings();
+		Table table1 = null;
+		Table table2 = null;
+		while ( tables.hasNext() ) {
+			Table table = tables.next();
+			if ( table.getName().equals( "Table1" ) ) {
+				table1 = table;
+			}
+			else if ( table.getName().equals( "Table2" ) ) {
+				table2 = table;
+			}
+		}
+		
+		assertTrue( table1.getUniqueInteger() < table2.getUniqueInteger() );
+	}
+
+	@Override
+	protected Class<?>[] getAnnotatedClasses() {
+		return new Class<?>[] { Table1.class, Table2.class };
+	}
+}

hibernate-core/src/test/java/org/hibernate/test/mapping/MappingReorderedAliasTest.java

@@ -0,0 +1,32 @@
+/* 
+ * Hibernate, Relational Persistence for Idiomatic Java
+ * 
+ * JBoss, Home of Professional Open Source
+ * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @authors tag. All rights reserved.
+ * See the copyright.txt in the distribution for a
+ * full listing of individual contributors.
+ *
+ * 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, v. 2.1.
+ * This program is distributed in the hope that it will be useful, but WITHOUT A
+ * 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,
+ * v.2.1 along with this distribution; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA  02110-1301, USA.
+ */
+package org.hibernate.test.mapping;
+
+/**
+ * @author Brett Meyer
+ */
+public class MappingReorderedAliasTest extends AliasTest {
+
+	@Override
+	protected Class<?>[] getAnnotatedClasses() {
+		return new Class<?>[] { Table2.class, Table1.class };
+	}
+}

hibernate-core/src/test/java/org/hibernate/test/mapping/Table1.java

@@ -0,0 +1,46 @@
+/* 
+ * Hibernate, Relational Persistence for Idiomatic Java
+ * 
+ * JBoss, Home of Professional Open Source
+ * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @authors tag. All rights reserved.
+ * See the copyright.txt in the distribution for a
+ * full listing of individual contributors.
+ *
+ * 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, v. 2.1.
+ * This program is distributed in the hope that it will be useful, but WITHOUT A
+ * 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,
+ * v.2.1 along with this distribution; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA  02110-1301, USA.
+ */
+package org.hibernate.test.mapping;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+/**
+ * @author Brett Meyer
+ */
+@Entity
+@Table( name = "Table1" )
+public class Table1 {
+	
+	@Id
+	@GeneratedValue
+	private long id;
+
+	public long getId() {
+		return id;
+	}
+
+	public void setId(long id) {
+		this.id = id;
+	}
+}

hibernate-core/src/test/java/org/hibernate/test/mapping/Table2.java

@@ -0,0 +1,46 @@
+/* 
+ * Hibernate, Relational Persistence for Idiomatic Java
+ * 
+ * JBoss, Home of Professional Open Source
+ * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @authors tag. All rights reserved.
+ * See the copyright.txt in the distribution for a
+ * full listing of individual contributors.
+ *
+ * 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, v. 2.1.
+ * This program is distributed in the hope that it will be useful, but WITHOUT A
+ * 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,
+ * v.2.1 along with this distribution; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA  02110-1301, USA.
+ */
+package org.hibernate.test.mapping;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+/**
+ * @author Brett Meyer
+ */
+@Entity
+@Table( name = "Table2" )
+public class Table2 {
+	
+	@Id
+	@GeneratedValue
+	private long id;
+
+	public long getId() {
+		return id;
+	}
+
+	public void setId(long id) {
+		this.id = id;
+	}
+}