Bug 138562 Splite extendsexcpetion to seperate sub class
The suggestion is Parent invalid Cycle extends Different type extends Not top level extends
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ElementFactory.java
{
		TextItem element = new TextItem( name );
		module.makeUniqueName( element );
		return element.handle( module );
	}
	/**
	 * Creates a new table item.
	 * 
	 * @param name
	 *            the optional table item name. Can be <code>null</code>.
	 * @return a handle to the table item
	 */
	public TableHandle newTableItem( String name )
	{
		TableItem element = new TableItem( name );
		module.makeUniqueName( element );
		return element.handle( module );
	}
	/**
	 * Creates a new table item with the given name and given column number. The
	 * table will have one row for each band(header, footer, detail). Each row
	 * in band will be filled with cells, number of cells is equal to the
	 * specified column number.
	 * <p>
	 * It has the same effect by calling:
	 * <code>newTableItem( name, columnNum, 1, 1, 1 )</code>.
	 * 
	 * @param name
	 *            the optional table item name
	 * @param columnNum