@Override
    public void setDocumentLocator(final Locator locator) {
        this.locator = locator;
        super.setDocumentLocator(locator);
    }
Sets the locator to use when reporting errors.

@param locator The locator to use.
stroom-state/stroom-state-impl/src/main/java/stroom/state/impl/pipeline/StateFilter.java