public void testRemoveSpecifiedJoinColumn() throws Exception {
    createTestEntityWithElementCollection();
    addXmlClassRef(FULLY_QUALIFIED_TYPE_NAME);

    JavaElementCollectionMapping2_0 elementCollectionMapping =
        (JavaElementCollectionMapping2_0)
            getJavaPersistentType().getAttributes().iterator().next().getMapping();
    CollectionTable2_0 collectionTable = elementCollectionMapping.getCollectionTable();

    JavaResourceType resourceType =
        (JavaResourceType)
            getJpaProject().getJavaResourceType(FULLY_QUALIFIED_TYPE_NAME, AstNodeType.TYPE);
    JavaResourceField resourceField = resourceType.getFields().iterator().next();

    collectionTable.addSpecifiedJoinColumn(0).setSpecifiedName("FOO");
    collectionTable.addSpecifiedJoinColumn(1).setSpecifiedName("BAR");
    collectionTable.addSpecifiedJoinColumn(2).setSpecifiedName("BAZ");

    CollectionTableAnnotation2_0 joinTableResource =
        (CollectionTableAnnotation2_0)
            resourceField.getAnnotation(CollectionTableAnnotation2_0.ANNOTATION_NAME);
    assertEquals(3, joinTableResource.getJoinColumnsSize());

    collectionTable.removeSpecifiedJoinColumn(0);
    assertEquals(2, joinTableResource.getJoinColumnsSize());
    assertEquals("BAR", joinTableResource.joinColumnAt(0).getName());
    assertEquals("BAZ", joinTableResource.joinColumnAt(1).getName());

    collectionTable.removeSpecifiedJoinColumn(0);
    assertEquals(1, joinTableResource.getJoinColumnsSize());
    assertEquals("BAZ", joinTableResource.joinColumnAt(0).getName());

    collectionTable.removeSpecifiedJoinColumn(0);
    assertEquals(0, joinTableResource.getJoinColumnsSize());
  }
  public void testUpdateJoinColumns() throws Exception {
    createTestEntityWithElementCollection();
    addXmlClassRef(FULLY_QUALIFIED_TYPE_NAME);

    JavaElementCollectionMapping2_0 elementCollectionMapping =
        (JavaElementCollectionMapping2_0)
            getJavaPersistentType().getAttributes().iterator().next().getMapping();
    JavaCollectionTable2_0 collectionTable = elementCollectionMapping.getCollectionTable();

    JavaResourceType resourceType =
        (JavaResourceType)
            getJpaProject().getJavaResourceType(FULLY_QUALIFIED_TYPE_NAME, AstNodeType.TYPE);
    JavaResourceField resourceField = resourceType.getFields().iterator().next();

    CollectionTableAnnotation2_0 joinTableResource =
        (CollectionTableAnnotation2_0)
            resourceField.addAnnotation(CollectionTableAnnotation2_0.ANNOTATION_NAME);

    joinTableResource.addJoinColumn(0);
    joinTableResource.addJoinColumn(1);
    joinTableResource.addJoinColumn(2);

    joinTableResource.joinColumnAt(0).setName("FOO");
    joinTableResource.joinColumnAt(1).setName("BAR");
    joinTableResource.joinColumnAt(2).setName("BAZ");
    getJpaProject().synchronizeContextModel();

    ListIterator<JavaSpecifiedJoinColumn> joinColumns =
        collectionTable.getSpecifiedJoinColumns().iterator();
    assertEquals("FOO", joinColumns.next().getName());
    assertEquals("BAR", joinColumns.next().getName());
    assertEquals("BAZ", joinColumns.next().getName());
    assertFalse(joinColumns.hasNext());

    joinTableResource.moveJoinColumn(2, 0);
    getJpaProject().synchronizeContextModel();
    joinColumns = collectionTable.getSpecifiedJoinColumns().iterator();
    assertEquals("BAR", joinColumns.next().getName());
    assertEquals("BAZ", joinColumns.next().getName());
    assertEquals("FOO", joinColumns.next().getName());
    assertFalse(joinColumns.hasNext());

    joinTableResource.moveJoinColumn(0, 1);
    getJpaProject().synchronizeContextModel();
    joinColumns = collectionTable.getSpecifiedJoinColumns().iterator();
    assertEquals("BAZ", joinColumns.next().getName());
    assertEquals("BAR", joinColumns.next().getName());
    assertEquals("FOO", joinColumns.next().getName());
    assertFalse(joinColumns.hasNext());

    joinTableResource.removeJoinColumn(1);
    getJpaProject().synchronizeContextModel();
    joinColumns = collectionTable.getSpecifiedJoinColumns().iterator();
    assertEquals("BAZ", joinColumns.next().getName());
    assertEquals("FOO", joinColumns.next().getName());
    assertFalse(joinColumns.hasNext());

    joinTableResource.removeJoinColumn(1);
    getJpaProject().synchronizeContextModel();
    joinColumns = collectionTable.getSpecifiedJoinColumns().iterator();
    assertEquals("BAZ", joinColumns.next().getName());
    assertFalse(joinColumns.hasNext());

    joinTableResource.removeJoinColumn(0);
    getJpaProject().synchronizeContextModel();
    assertFalse(collectionTable.getSpecifiedJoinColumns().iterator().hasNext());
  }