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/src/org/eclipse/birt/report/model/util/ElementStructureUtil.java
{
	/**
	 * The data structure to store the property name/value pair.
	 */
	private static class Property
	{
		private String name;
		private Object value;
		Property( String name, Object value )
		{
			this.name = name;
			this.value = value;
		}
		String getName( )
		{
			return name;
		}
		Object getValue( )
		{
			return value;
		}
	}
	/**
	 * Updates the structure from one exntend parent element to its one child.
	 * Local properties will all be cleared.Please note that the containment
	 * relationship is kept while property values are not copied.
	 * <p>