Bug 122254 Not Like operator is missing in the Filter tab of Data Set window
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/parser/EngineIRVisitor.java
paramGroup.setName( handle.getName( ) );
		paramGroup.setDisplayName( handle.getDisplayName( ) );
		paramGroup.setDisplayNameKey( handle.getDisplayNameKey( ) );
		paramGroup.setHelpText( handle.getHelpText( ) );
		paramGroup.setHelpTextKey( handle.getHelpTextKey( ) );
		SlotHandle parameters = handle.getParameters( );
		
		List properties = handle.getUserProperties( );
		for ( int i = 0; i < properties.size( ); i++ )
		{
			UserPropertyDefn p = (UserPropertyDefn) properties.get( i );
			paramGroup.addUserProperty( p.getName( ), handle.getProperty( p
					.getName( ) ) );
		}
		int size = parameters.getCount( );
		for ( int n = 0; n < size; n++ )
		{
			apply( parameters.get( n ) );
			if ( currentElement != null )
			{
				paramGroup.addParameter( (IParameterDefnBase) currentElement );
			}
		}
		currentElement = paramGroup;
	}
	public void visitCascadingParameterGroup(
			CascadingParameterGroupHandle handle )
	{
		CascadingParameterGroupDefn paramGroup = new CascadingParameterGroupDefn( );
		paramGroup.setHandle( handle );