#include "ICOMETLog.hxx"
#include "IMidasBank.hxx"
#include "IMidasObj.hxx"

ClassImp(COMET::IMidasObj);

//_____________________________________________________________________________
    
COMET::IMidasObj::IMidasObj(UShort_t rawDataVer,     /* = 0 */
       UShort_t invalid_code,   /* = 0 */
       const IMidasBank* parent /* = 0 */)
    :  fParent(parent),
       fRawDataVer(rawDataVer),
       fInvalidCode(invalid_code) {

    // Default constructor

    COMETTrace("IMidasObj: Default ctor at:" << (void*) this);
    this->Connect();
}
//_____________________________________________________________________________
    
COMET::IMidasObj::IMidasObj(const COMET::IMidasObj& from)
    :  fParent(0),
       fRawDataVer(0),
       fInvalidCode(0) {

    // Copy constructor

    COMETTrace("IMidasObj: Copy ctor at:" << (void*) this);
    this->Clone(from);
}


//_____________________________________________________________________________

COMET::IMidasObj::~IMidasObj() {

    this->Disconnect();
    COMETTrace("COMET::IMidasObj: dtor at:" << (void*) this);

}

//_____________________________________________________________________________

void COMET::IMidasObj::BankDeleted() {

    if ( fParent ) {
  COMETWarn("COMET::IMidasObj: Parent object has been deleted which makes this object invalid");
  fParent      = 0;
  fInvalidCode = DeletedParent;
    }
}

//_____________________________________________________________________________

void COMET::IMidasObj::Clone(const COMET::IMidasObj& from) {

    this->Disconnect();
    this->fParent      = from.fParent;
    this->fRawDataVer  = from.fRawDataVer;
    this->fInvalidCode = from.fInvalidCode;
    this->Connect();

}

//_____________________________________________________________________________

void COMET::IMidasObj::Connect() {

    if ( fParent ) {
  if ( fParent->IsNotZombie() ) fParent->ConnectChildObj(this);
  else {
      COMETError("IMidasObj: Attempting to connect to a deleted IMidasBank. Please investigate!");
      fParent      = 0;
      fInvalidCode = DeletedParent;
  }
    }

}

//_____________________________________________________________________________

void COMET::IMidasObj::Disconnect() {

    if ( fParent ) {
        if ( fParent->IsNotZombie() ) fParent->DisconnectChildObj(this);
  else COMETError("IMidasObj: Attempting to disconnect from a deleted IMidasBank. Please investigate!");
    }
    fParent = 0;
}

//_____________________________________________________________________________

const char* COMET::IMidasObj::GetInvalidReason() const {
    if ( this->GetInvalidCode() == NotInvalid )         return "Not invalid"; 
    if ( this->GetInvalidCode() == DeletedParent )      return "Parent IMidasBank deleted"; 
    if ( this->GetInvalidCode() == IteratorOutOfRange ) return "Object produced by out of range iterator"; 
    if ( this->GetInvalidCode() == UnknownInvalid )     return "Object declared invalid but code given was itself invalid"; 
    return "Invalid for some unknown reason (should not happen)"; 
}


//_____________________________________________________________________________

Bool_t COMET::IMidasObj::NotValid(const char* calledMethod /*= 0 */) const {

    if ( this->IsValid() ) return false;
    std::string action("access");
    if ( calledMethod ) {
  action = "call method ";
  action += calledMethod;
  action += " of";
    }
    COMETWarn("COMET::IMidasObj::Attempting to " << action
        << " an invalid object (" << this->GetInvalidReason() << ")");
    return true;
}


//_____________________________________________________________________________

void COMET::IMidasObj::SetInvalidCode(UShort_t invalid_code) {

    if ( ! this->IsValid() ) {
      COMETWarn("COMET::IMidasObj::Attempting to set invalid code to " << invalid_code
    << " on an already invalid object (" << this->GetInvalidReason() << ")");
      return;
    }
    if (     ! invalid_code != DeletedParent
   &&  ! invalid_code != IteratorOutOfRange ) {
  COMETWarn("COMET::IMidasObj::Attempting to set invalid code to " << invalid_code
      << " which is itself an invalid code" );
  invalid_code = UnknownInvalid;
    }

    fInvalidCode = invalid_code;
}