@Override
    public void processValidators(FacesContext context) {

        if (context == null) {
            throw new NullPointerException();
        }
        if (!isRendered()) {
            return;
        }
        pushComponentToEL(context, this);
        Application app = context.getApplication();
        app.publishEvent(context, PreValidateEvent.class, this);
        preValidate(context);
        iterate(context, PhaseId.PROCESS_VALIDATIONS);
        app.publishEvent(context, PostValidateEvent.class, this);
        popComponentFromEL(context);

    }
<p class="changed_modified_2_3">Override the default {@link UIComponentBase#processValidators}
processing to perform the following steps.</p> <ul> <li>If the
<code>rendered</code> property of this {@link UIComponent} is
<code>false</code>, skip further processing.</li> <li>Set the current
<code>rowIndex</code> to -1.</li> <li>Call the <code>processValidators()</code>
method of all facets of this {@link UIData}, in the order determined by a
call to <code>getFacets().keySet().iterator()</code>.</li> <li>Call the
<code>processValidators()</code> method of all facets of the {@link
UIColumn} children of this {@link UIData}.</li> <li>Iterate over the set
of rows that were included when this component was rendered (i.e. those
defined by the <code>first</code> and <code>rows</code> properties),
performing the following processing for each row: <ul> <li>Set the
current <code>rowIndex</code> to the appropriate value for this row.</li>
<li>If <code>isRowAvailable()</code> returns <code>true</code>, iterate
over the children components of each {@link UIColumn} child of this
{@link UIData} component, calling the <code>processValidators()</code>
method for each such child.</li> </ul></li> <li>Set the current
<code>rowIndex</code> to -1.</li> </ul>

@param context {@link FacesContext} for the current request
@throws NullPointerException if <code>context</code> is <code>null</code>
@see jakarta.faces.event.PreValidateEvent
@see jakarta.faces.event.PostValidateEvent
primefaces/src/main/java/org/primefaces/component/patch/UIDataPatch.java