protected void addPrevRenderedRow(final Object rowKey) {
		WTableComponentModel model = getOrCreateComponentModel();
		if (model.prevRenderedRows == null) {
			model.prevRenderedRows = new HashSet<>();
		}
		model.prevRenderedRows.add(rowKey);
	}
protected void addPrevRenderedRow ( final Object rowKey ) { WTableComponentModel model = getOrCreateComponentModel ( ) ; if ( model . prevRenderedRows == null ) { model . prevRenderedRows = new HashSet < > ( ) ; } model . prevRenderedRows . add ( rowKey ) ; }
Track the row keys that have been rendered.
<p>
Note - Only used for when the table is editable.
</p>

@param rowKey the row key that has been rendered.