Bug 198604 After refresh the library, the link groups key are changed in cube builder[1101]
Description: After refresh the library, the link groups key are changed in cube builder[1101] Build number: 2.2.1.v20070802-0630 Steps to reproduce: 1, New a cube in library, the cube has a joint key between dimension table and facttable 2, Using the cube in a report design 3, Check the joint status in link group 4, Refresh the library in outline 5, Recheck the joint staus in link group Expected result: After step5, the joint status are correct and as same as the status in library Actual result: The dimension table is missing and the joint key is disconnected
model/org.eclipse.birt.report.model.tests/test/org/eclipse/birt/report/model/library/ReloadLibraryTest.java
* @throws Exception
	 */
	public void testReloadLibraryWithInvalidExtends( ) throws Exception
	{
		List fileNames = new ArrayList( );
		fileNames.add( INPUT_FOLDER + "DesignToReloadLibrary.xml" ); 
		fileNames.add( INPUT_FOLDER + "LibraryToReload.xml" ); 
		List filePaths = dumpDesignAndLibrariesToFile( fileNames );
		String designFilePath = (String) filePaths.get( 0 );
		openDesign( designFilePath, false );
		String libFilePath = (String) filePaths.get( 1 );
		
		openLibrary( libFilePath, false );
		libraryHandle.findElement( "libTable2" ).drop( ); 
		GridHandle grid = libraryHandle.getElementFactory( ).newGridItem(
				"libTable2", 2, 2 ); 
		libraryHandle.getComponents( ).add( grid );
		libraryHandle.save( );
		designHandle.reloadLibrary( libraryHandle );
		TableHandle table2 = (TableHandle) designHandle.findElement( "table2" );
		assertNull( table2.getExtends( ) );
		assertEquals( "Lib1.libTable2", table2.getElement( ).getExtendsName( ) ); 
	}
	/**
	 * Reloads the library with exceptions.
	 * 
	 * @throws Exception
	 */
	public void testReloadLibraryWithException( ) throws Exception
	{