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
}
	protected Expression createExpression( String expr )
	{
		if ( expr != null && !expr.trim( ).equals( "" ) )
		{
			return new Expression( expr );
		}
		return null;
	}
	/**
	 * create a Action.
	 * 
	 * @param handle
	 *            action in DE
	 * @return action in Engine.
	 */
	protected ActionDesign createAction( ActionHandle handle )
	{
		ActionDesign action = new ActionDesign( );
		String linkType = handle.getLinkType( );
		if ( EngineIRConstants.ACTION_LINK_TYPE_HYPERLINK.equals( linkType ) )
		{
			action.setHyperlink( createExpression( handle.getURI( ) ) );
			action.setTargetWindow( handle.getTargetWindow( ) );
		}
		else if ( EngineIRConstants.ACTION_LINK_TYPE_BOOKMARK_LINK
				.equals( linkType ) )
		{
			action
					.setBookmark( createExpression( handle.getTargetBookmark( ) ) );