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
{
			return false;
		}
		if ( handle instanceof DataItemHandle )
		{
			return false;
		}
		if ( handle instanceof LabelHandle )
		{
			return false;
		}
		if ( handle instanceof TextDataHandle )
		{
			return false;
		}
		if ( handle instanceof ExtendedItemHandle )
		{
			return false;
		}
		if ( handle instanceof ImageHandle )
		{
			return false;
		}
		return true;
	}
	/**
	 * Sets up cell element's style attribute.
	 * 
	 * @param cell
	 *            engine's styled cell element.