done

On Thu, Mar 20, 2008 at 2:03 AM, Vitaly Tsaplin <[EMAIL PROTECTED]>
wrote:

>   Oh, sorry. I meant "write in javadoc" :)
>
> On Thu, Mar 20, 2008 at 2:02 AM, Vitaly Tsaplin
> <[EMAIL PROTECTED]> wrote:
> >    For me that's probably fine if you will clearly right in javadoc
> >  that anyone who overrides checkRequired should carefully call
> >  isRequired in order to conform the common behavior.
> >
> >
> >
> >  On Thu, Mar 20, 2008 at 1:33 AM, Johan Compagner <[EMAIL PROTECTED]>
> wrote:
> >  > Thats all fine, but it was not build/designed that way period...
> >  >
> >  >  The biggest api break was at the moment we removed final, which was
> >  >  there for quite sometime, and then sneaky add javadoc that it is
> >  >  required to call isRequired first before calling this method! but
> >  >  before that for this public callable method this was not needed, so
> >  >  everybody who uses that method suddenly breaks because of a sneaky
> >  >  javadoc update and the removal of the final keyword.
> >  >
> >  >  What the javadoc should have stated is that overrides should ALWAYS
> >  >  first check the isRequired() itself just like the method that they
> >  >  override already did for 2 years!
> >  >
> >  >  The removal of the final keyword had in this particular case big
> >  >  consequentes it really changed the api behavior.
> >  >
> >  >  Johan
> >  >
> >  >
> >  >
> >  >  On 3/20/08, Vitaly Tsaplin <[EMAIL PROTECTED]> wrote:
> >  >  >    What if a requirement cannot be met if an input contains only
> >  >  > spaces. I would override the checkRequired to do so. And it could
> be
> >  >  > done for a text field. Why not?
> >  >  >
> >  >  >    Anyway if I can override checkRequired I may not be calling
> >  >  > isRequired and it's perfectly legal. Because the method is under
> my
> >  >  > control. But...setRequired is still there and anyone can call it
> >  >  > excpecting it's normal behavior. Setting required property to
> false
> >  >  > (setRequired) should prevent any requirement check whatever it
> would
> >  >  > be.
> >  >  >
> >  >  > On Thu, Mar 20, 2008 at 12:57 AM, Johan Compagner <
> [EMAIL PROTECTED]>
> >  >  > wrote:
> >  >  > > hmm
> >  >  > >
> >  >  > >  the more i think about it
> >  >  > >  the more i stand with my initial reply.
> >  >  > >
> >  >  > >  checkRequired was always meant to be standalone
> >  >  > >  it always checked from day 1 if required must be checked (thats
> why it is
> >  >  > >  called *check*Required) and then it actually did the test.
> >  >  > >  it was first protected final and then a long time public final
> >  >  > >
> >  >  > >  validateRequired does something else
> >  >  > >  it calls checkRequired and with that return value it sets an
> adds an
> >  >  > error
> >  >  > >  message
> >  >  > >  But that is not always what you want (the reason why
> checkRequired is
> >  >  > >  public)
> >  >  > >  so validateRequired is not a substitute and i guess
> checkRequired has to
> >  >  > be
> >  >  > >  public because we made it public for a reason. (see the thread)
> >  >  > >
> >  >  > >  The only thing i come up with now is, but that will break all
> >  >  > >  formcomponentpanels that did have implemented checkRequired(),
> >  >  > >  that we make it final again (keep it public) and create a
> protected
> >  >  > >  overridable method that can be used in FCP
> >  >  > >  something like
> >  >  > >
> >  >  > >  protected boolean doRequiredInputCheck()
> >  >  > >  {
> >  >  > >  }
> >  >  > >
> >  >  > >  or what ever better name we can come up with.
> >  >  > >
> >  >  > >  that way we suddenly  dont have a completely different
> definition of a
> >  >  > >  method
> >  >  > >
> >  >  > >  johan
> >  >  > >
> >  >  > >
> >  >  > >
> >  >  > >
> >  >  > >
> >  >  > >  On Thu, Mar 20, 2008 at 12:03 AM, Johan Compagner <
> [EMAIL PROTECTED]>
> >  >  > >
> >  >  > >
> >  >  > > wrote:
> >  >  > >
> >  >  > >  > no some protected methods can be called just fine from the
> outside
> >  >  > world
> >  >  > >  > like validateRequired() (that could be public yes)
> >  >  > >  >
> >  >  > >  > But checkRequired() doesn't make much to call from the
> outside world
> >  >  > >  > because we have validateRequired()
> >  >  > >  > except that validateRequired() does set an error then and
> doesn't
> >  >  > return
> >  >  > >  > the actual boolean
> >  >  > >  > So i guess that that is the reason why checkRequired() is
> public.
> >  >  > >  >
> >  >  > >  > it was first public final that as removed for
> FormComponentPanel
> >  >  > >  > and when it was public final it made perfect sense to also
> check for
> >  >  > >  > required there..
> >  >  > >  > So the definition is really changed when we removed final
> before that
> >  >  > it
> >  >  > >  > was really what i thought initially because it is a public
> callable
> >  >  > method
> >  >  > >  > (back then the javadoc also didnt specify that it was
> typically
> >  >  > required
> >  >  > >  > that isRequired must be callled)
> >  >  > >  >
> >  >  > >  > so suddenly final is gone and the definition changed...
> >  >  > >  > Nobody would call isRequired() before it would call
> checkRequired()
> >  >  > >  >
> >  >  > >  > and it was it first few months (2006) it was protected final,
> >  >  > >  > then you made it public final because of this thread
> "[Wicket-user]
> >  >  > >  > Components Label for FeedbackMessage"
> >  >  > >  >
> >  >  > >  > So if anybody programmed against that method back then
> because of that
> >  >  > >  > thread. Those are not  calling isRequired() first before
> calling
> >  >  > >  > checkRequired()
> >  >  > >  > Even if i type this i still find it odd that i have to do
> that first,
> >  >  > >  > looking at the names...., if i read
> formcomponent.checkRequired() then
> >  >  > i
> >  >  > >  > will always asume that it
> >  >  > >  > will not return the wrong value if isRequired == false..
> maybe it is my
> >  >  > >  > bad englisch but that will not change for me)
> >  >  > >  >
> >  >  > >  > johan
> >  >  > >  >
> >  >  > >  >
> >  >  > >  > On Wed, Mar 19, 2008 at 11:40 PM, Igor Vaynberg
> >  >  > <[EMAIL PROTECTED]>
> >  >  > >  > wrote:
> >  >  > >  >
> >  >  > >  > > do we need to add that to all our protected methods? if
> someone needs
> >  >  > >  > > it, and they probably do since we made it public, we should
> prob make
> >  >  > >  > > validateRequired() public - it is final iirc
> >  >  > >  > >
> >  >  > >  > > -igor
> >  >  > >  > >
> >  >  > >  > >
> >  >  > >  > > On Wed, Mar 19, 2008 at 3:36 PM, Johan Compagner
> >  >  > <[EMAIL PROTECTED]>
> >  >  > >  > > wrote:
> >  >  > >  > > > yes and add a big javadoc warning that this method is not
> meant to
> >  >  > be
> >  >  > >  > > called
> >  >  > >  > > >  only meant to be overriden..
> >  >  > >  > > >
> >  >  > >  > > >  johan
> >  >  > >  > > >
> >  >  > >  > > >
> >  >  > >  > > >  On Wed, Mar 19, 2008 at 11:35 PM, Igor Vaynberg <
> >  >  > >  > > [EMAIL PROTECTED]>
> >  >  > >  > > >
> >  >  > >  > > >
> >  >  > >  > > > wrote:
> >  >  > >  > > >
> >  >  > >  > > >  > ok, so given that we make checkrequired protected
> (pushes it
> >  >  > into
> >  >  > >  > > 1.5
> >  >  > >  > > >  > timeframe) are you ok with moving isrequired() check
> out into
> >  >  > >  > > >  > validaterequired() ?
> >  >  > >  > > >  >
> >  >  > >  > > >  > -igor
> >  >  > >  > > >  >
> >  >  > >  > > >  >
> >  >  > >  > > >  > On Wed, Mar 19, 2008 at 3:22 PM, Johan Compagner <
> >  >  > >  > > [EMAIL PROTECTED]>
> >  >  > >  > > >  > wrote:
> >  >  > >  > > >  > > ì guess checkRequired( ) is only overridable because
> of
> >  >  > >  > > >  > FormComponentPanel
> >  >  > >  > > >  > >  so that again that can be overriden to have there
> own
> >  >  > >  > > requirement
> >  >  > >  > > >  > check?
> >  >  > >  > > >  > >
> >  >  > >  > > >  > >  so yes it should really be at least protected
> >  >  > >  > > >  > >
> >  >  > >  > > >  > >  On Wed, Mar 19, 2008 at 11:10 PM, Igor Vaynberg <
> >  >  > >  > > >  > [EMAIL PROTECTED]>
> >  >  > >  > > >  > >
> >  >  > >  > > >  > >
> >  >  > >  > > >  > > wrote:
> >  >  > >  > > >  > >
> >  >  > >  > > >  > >  > thats kinda cludge imho. checkrequired() defines
> the
> >  >  > process
> >  >  > >  > > of
> >  >  > >  > > >  > >  > checking, whether that needs to be invoked or not
> is up to
> >  >  > the
> >  >  > >  > > >  > >  > formcomponent and its required attribute.
> >  >  > >  > > >  > >  >
> >  >  > >  > > >  > >  > we can make validaterequired() public, although i
> dont see
> >  >  > >  > > where you
> >  >  > >  > > >  > >  > would call only that instead of the entire
> validate()
> >  >  > >  > > pipeline.
> >  >  > >  > > >  > >  >
> >  >  > >  > > >  > >  > also right now checkrequired() is only ever
> called from
> >  >  > >  > > >  > >  > validaterequired() and i think checkrequired()
> should not
> >  >  > be
> >  >  > >  > > public
> >  >  > >  > > >  > >  > anyways
> >  >  > >  > > >  > >  >
> >  >  > >  > > >  > >  > -igor
> >  >  > >  > > >  > >  >
> >  >  > >  > > >  > >  >
> >  >  > >  > > >  > >  > On Wed, Mar 19, 2008 at 3:06 PM, Johan Compagner
> <
> >  >  > >  > > >  > [EMAIL PROTECTED]>
> >  >  > >  > > >  > >  > wrote:
> >  >  > >  > > >  > >  > > if you also want to check it in
> validateRequired() thats
> >  >  > >  > > fine by me
> >  >  > >  > > >  > by
> >  >  > >  > > >  > >  > the
> >  >  > >  > > >  > >  > >  way
> >  >  > >  > > >  > >  > >  But i dont want it to be removed in
> checkRequired()
> >  >  > >  > > >  > >  > >
> >  >  > >  > > >  > >  > >  And the javadoc must be updated anyway
> >  >  > >  > > >  > >  > >
> >  >  > >  > > >  > >  > >  johan
> >  >  > >  > > >  > >  > >
> >  >  > >  > > >  > >  > >
> >  >  > >  > > >  > >  > >  On Wed, Mar 19, 2008 at 11:05 PM, Johan
> Compagner <
> >  >  > >  > > >  > [EMAIL PROTECTED]
> >  >  > >  > > >  > >  > >
> >  >  > >  > > >  > >  > >
> >  >  > >  > > >  > >  > >
> >  >  > >  > > >  > >  > > wrote:
> >  >  > >  > > >  > >  > >
> >  >  > >  > > >  > >  > >  > nope
> >  >  > >  > > >  > >  > >  > i am against that
> >  >  > >  > > >  > >  > >  > validateRequired is protected
> >  >  > >  > > >  > >  > >  > checkRequired is public
> >  >  > >  > > >  > >  > >  >
> >  >  > >  > > >  > >  > >  > And if i want to test for requirement from
> outside i
> >  >  > dont
> >  >  > >  > > want
> >  >  > >  > > >  > to
> >  >  > >  > > >  > >  > call
> >  >  > >  > > >  > >  > >  > first for every thing isRequired first
> >  >  > >  > > >  > >  > >  > i find it very odd that a method can return
> very funny
> >  >  > >  > > stuff
> >  >  > >  > > >  > when you
> >  >  > >  > > >  > >  > dont
> >  >  > >  > > >  > >  > >  > call one method before it first
> >  >  > >  > > >  > >  > >  > it should be self contained
> >  >  > >  > > >  > >  > >  >
> >  >  > >  > > >  > >  > >  > And this way it works for quite some time
> now, so i
> >  >  > dont
> >  >  > >  > > really
> >  >  > >  > > >  > >  > change
> >  >  > >  > > >  > >  > >  > anything.
> >  >  > >  > > >  > >  > >  > it is just stupid to have a method which
> behavior is
> >  >  > not
> >  >  > >  > > really
> >  >  > >  > > >  > >  > defined
> >  >  > >  > > >  > >  > >  > based on that you can call it or not.
> >  >  > >  > > >  > >  > >  > it doesn't make any sense to me to not call
> >  >  > isRequired()
> >  >  > >  > > in
> >  >  > >  > > >  > >  > >  > checkRequired()
> >  >  > >  > > >  > >  > >  >
> >  >  > >  > > >  > >  > >  > johan
> >  >  > >  > > >  > >  > >  >
> >  >  > >  > > >  > >  > >  >
> >  >  > >  > > >  > >  > >  > On Wed, Mar 19, 2008 at 10:57 PM, Igor
> Vaynberg <
> >  >  > >  > > >  > >  > [EMAIL PROTECTED]>
> >  >  > >  > > >  > >  > >  > wrote:
> >  >  > >  > > >  > >  > >  >
> >  >  > >  > > >  > >  > >  > > why dont we build that check into
> validateRequired()
> >  >  > >  > > >  > >  > >  > >
> >  >  > >  > > >  > >  > >  > > so validateRequired() { if (isrequired() {
> >  >  > ...current
> >  >  > >  > > code } }
> >  >  > >  > > >  > >  > >  > >
> >  >  > >  > > >  > >  > >  > > that way you never have to call
> checkrequired()
> >  >  > >  > > directly, just
> >  >  > >  > > >  > call
> >  >  > >  > > >  > >  > >  > > validaterequired()
> >  >  > >  > > >  > >  > >  > >
> >  >  > >  > > >  > >  > >  > > -igor
> >  >  > >  > > >  > >  > >  > >
> >  >  > >  > > >  > >  > >  > >
> >  >  > >  > > >  > >  > >  > > On Wed, Mar 19, 2008 at 2:54 PM, Johan
> Compagner <
> >  >  > >  > > >  > >  > [EMAIL PROTECTED]>
> >  >  > >  > > >  > >  > >  > > wrote:
> >  >  > >  > > >  > >  > >  > > > i dont agree
> >  >  > >  > > >  > >  > >  > > >  then you have to do everywhere
> >  >  > >  > > >  > >  > >  > > >
> >  >  > >  > > >  > >  > >  > > >  if (isRequired()) checkRequired()
> >  >  > >  > > >  > >  > >  > > >
> >  >  > >  > > >  > >  > >  > > >  thats horrible, checkRequired() can
> test that
> >  >  > just
> >  >  > >  > > as fine
> >  >  > >  > > >  > >  > >  > > >  i will update the javadoc
> >  >  > >  > > >  > >  > >  > > >
> >  >  > >  > > >  > >  > >  > > >  johan
> >  >  > >  > > >  > >  > >  > > >
> >  >  > >  > > >  > >  > >  > > >  On Wed, Mar 19, 2008 at 10:51 PM,
> Vitaly Tsaplin
> >  >  > <
> >  >  > >  > > >  > >  > >  > > [EMAIL PROTECTED]>
> >  >  > >  > > >  > >  > >  > > >
> >  >  > >  > > >  > >  > >  > > >
> >  >  > >  > > >  > >  > >  > > > wrote:
> >  >  > >  > > >  > >  > >  > > >
> >  >  > >  > > >  > >  > >  > > >  >   But the javadoc says:
> >  >  > >  > > >  > >  > >  > > >  >
> >  >  > >  > > >  > >  > >  > > >  > public boolean checkRequired()
> >  >  > >  > > >  > >  > >  > > >  > "Checks if the form component's
> 'required'
> >  >  > >  > > requirement is
> >  >  > >  > > >  > met.
> >  >  > >  > > >  > >  > This
> >  >  > >  > > >  > >  > >  > > >  > method should typically only be
> called when
> >  >  > >  > > >  > >  > >  > > FormComponent.isRequired()
> >  >  > >  > > >  > >  > >  > > >  > returns true."
> >  >  > >  > > >  > >  > >  > > >  >
> >  >  > >  > > >  > >  > >  > > >  > And I agree with javadoc :)
> >  >  > >  > > >  > >  > >  > > >  > checkRequired () should be called
> only to know
> >  >  > "if
> >  >  > >  > > the
> >  >  > >  > > >  > form
> >  >  > >  > > >  > >  > >  > > >  > component's 'required' requirement is
> met". In
> >  >  > >  > > case
> >  >  > >  > > >  > >  > isRequired()
> >  >  > >  > > >  > >  > >  > > >  > returns false this call does not make
> any
> >  >  > sense...
> >  >  > >  > > >  > >  > >  > > >  >
> >  >  > >  > > >  > >  > >  > > >  >   Basically if isRequired () returns
> true you
> >  >  > know
> >  >  > >  > > that a
> >  >  > >  > > >  > >  > component
> >  >  > >  > > >  > >  > >  > > >  > is required but what you don't know
> is whether
> >  >  > the
> >  >  > >  > > >  > requirement
> >  >  > >  > > >  > >  > >  > > >  > condition is met or not and so to
> check it out
> >  >  > you
> >  >  > >  > > call
> >  >  > >  > > >  > >  > >  > > checkRequired
> >  >  > >  > > >  > >  > >  > > >  > (). checkRequired () shouldn't call
> isRequired
> >  >  > ()
> >  >  > >  > > itself.
> >  >  > >  > > >  > >  > >  > > >  >
> >  >  > >  > > >  > >  > >  > > >  > On Wed, Mar 19, 2008 at 10:39 PM,
> Johan
> >  >  > Compagner
> >  >  > >  > > <
> >  >  > >  > > >  > >  > >  > > [EMAIL PROTECTED]>
> >  >  > >  > > >  > >  > >  > > >  > wrote:
> >  >  > >  > > >  > >  > >  > > >  > > it checks if the required needs to
> be checked
> >  >  > >  > > and if
> >  >  > >  > > >  > that is
> >  >  > >  > > >  > >  > the
> >  >  > >  > > >  > >  > >  > > case it
> >  >  > >  > > >  > >  > >  > > >  > >  checks if the input is set
> >  >  > >  > > >  > >  > >  > > >  > >
> >  >  > >  > > >  > >  > >  > > >  > >
> >  >  > >  > > >  > >  > >  > > >  > >  On Wed, Mar 19, 2008 at 10:32 PM,
> Vitaly
> >  >  > >  > > Tsaplin <
> >  >  > >  > > >  > >  > >  > > >  > [EMAIL PROTECTED]>
> >  >  > >  > > >  > >  > >  > > >  > >
> >  >  > >  > > >  > >  > >  > > >  > >
> >  >  > >  > > >  > >  > >  > > >  > > wrote:
> >  >  > >  > > >  > >  > >  > > >  > >
> >  >  > >  > > >  > >  > >  > > >  > >  >  checkRequired () itself
> shouldn't be
> >  >  > called
> >  >  > >  > > at all
> >  >  > >  > > >  > >  > unless
> >  >  > >  > > >  > >  > >  > > >  > >  > setRequired is true...
> >  >  > >  > > >  > >  > >  > > >  > >  >
> >  >  > >  > > >  > >  > >  > > >  > >  > On Wed, Mar 19, 2008 at 9:43 PM,
> Johan
> >  >  > >  > > Compagner <
> >  >  > >  > > >  > >  > >  > > >  > [EMAIL PROTECTED]>
> >  >  > >  > > >  > >  > >  > > >  > >  > wrote:
> >  >  > >  > > >  > >  > >  > > >  > >  > > and did you look at
> checkRequired?
> >  >  > >  > > >  > >  > >  > > >  > >  > >
> >  >  > >  > > >  > >  > >  > > >  > >  > >  public boolean
> checkRequired()
> >  >  > >  > > >  > >  > >  > > >  > >  > >     {
> >  >  > >  > > >  > >  > >  > > >  > >  > >         if (isRequired())
> >  >  > >  > > >  > >  > >  > > >  > >  > >         {
> >  >  > >  > > >  > >  > >  > > >  > >  > >
> >  >  > >  > > >  > >  > >  > > >  > >  > >  On Wed, Mar 19, 2008 at 2:24
> PM, Vitaly
> >  >  > >  > > Tsaplin <
> >  >  > >  > > >  > >  > >  > > >  > >  > [EMAIL PROTECTED]>
> >  >  > >  > > >  > >  > >  > > >  > >  > >  wrote:
> >  >  > >  > > >  > >  > >  > > >  > >  > >
> >  >  > >  > > >  > >  > >  > > >  > >  > >
> >  >  > >  > > >  > >  > >  > > >  > >  > >
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >   Hi guys,
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >   According to the wicket
> javadoc the
> >  >  > >  > > method
> >  >  > >  > > >  > >  > >  > > checkRequired () of
> >  >  > >  > > >  > >  > >  > > >  > the
> >  >  > >  > > >  > >  > >  > > >  > >  > >  > FormComponent class
> "...should
> >  >  > typically
> >  >  > >  > > only
> >  >  > >  > > >  > be
> >  >  > >  > > >  > >  > called
> >  >  > >  > > >  > >  > >  > > when
> >  >  > >  > > >  > >  > >  > > >  > >  > >  > isRequired() returns true."
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >   But it seems to be
> different...
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >        public final void
> validate()
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >        {
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >
>  validateRequired();
> >  >  > >  > > >  > >  > >  > >  <<<-------------------- here
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >                if
> (isValid())
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >                {
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >
> >  >  > convertInput();
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >                        if
> (isValid()
> >  >  > &&
> >  >  > >  > > >  > isRequired()
> >  >  > >  > > >  > >  > &&
> >  >  > >  > > >  > >  > >  > > >  > >  > >  > getConvertedInput() == null
> &&
> >  >  > >  > > >  > >  > >  > > >  > >  > >  > isInputNullable())
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >                        {
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >
> >  >  > >  > > >  > >  >  reportRequiredError();
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >                        }
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >                        if
> (isValid())
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >                        {
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >
> >  >  > >  > > >  >  validateValidators();
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >                        }
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >                }
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >        }
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >        protected final void
> >  >  > >  > > validateRequired()
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >        {
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >                if
> (!checkRequired())
> >  >  > >  > > >  > >  > >  > > <<<---------------------
> >  >  > >  > > >  > >  > >  > > >  > and
> >  >  > >  > > >  > >  > >  > > >  > >  > here
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >                {
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >
> >  >  > >  > >  reportRequiredError();
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >                }
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >        }
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >   As you can see the
> checkRequired ()
> >  >  > is
> >  >  > >  > > called
> >  >  > >  > > >  > >  > >  > > unconditionally.
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >   Vitaly
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >
> >  >  > >  > > >  > >  > >  > > >  > >  > >  >
> >  >  > >  > > >  > >  > >  > > >  >
> >  >  > >  > > >  > >  > >  > >
> >  >  > >  > > >  > >  >
> >  >  > >  > >
> ---------------------------------------------------------------------
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> >  >  > >  > > >  > >  > >  > > >  > >  >
> >  >  > >  > > >  > >  > >  > >
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> ---------------------------------------------------------------------
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> >  >  > >  > > >  > >  > >  > > >  >
> >  >  > >  > > >  > >  > >  > >
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> ---------------------------------------------------------------------
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> >  >  > >  > > >  > >  > >  > > >  >
> >  >  > >  > > >  > >  > >  > > >
> >  >  > >  > > >  > >  > >  > >
> >  >  > >  > > >  > >  > >  > >
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> >  >  > >  > >
> ---------------------------------------------------------------------
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> >  >  > >  > > >  > >  > >  > >
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> >  >  > >  > > >  > >  > >
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> ---------------------------------------------------------------------
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> >  >  > >  > > >  > >
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> >  >  > >  > >
> ---------------------------------------------------------------------
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