/**
  * This function performs the validation work for complex object models.
  *
  * In addition to checking the current object, all related objects will
  * also be validated.  If all pass then <code>true</code> is returned; otherwise
  * an aggreagated array of ValidationFailed objects will be returned.
  *
  * @param      array $columns Array of column names to validate.
  * @return     mixed <code>true</code> if all validations pass; array of <code>ValidationFailed</code> objets otherwise.
  */
 protected function doValidate($columns = null)
 {
     if (!$this->alreadyInValidation) {
         $this->alreadyInValidation = true;
         $retval = null;
         $failureMap = array();
         // We call the validate method on the following object(s) if they
         // were passed to this object by their coresponding set
         // method.  This object relates to these object(s) by a
         // foreign key reference.
         if ($this->aNagiosCommandRelatedByCheckCommand !== null) {
             if (!$this->aNagiosCommandRelatedByCheckCommand->validate($columns)) {
                 $failureMap = array_merge($failureMap, $this->aNagiosCommandRelatedByCheckCommand->getValidationFailures());
             }
         }
         if ($this->aNagiosCommandRelatedByEventHandler !== null) {
             if (!$this->aNagiosCommandRelatedByEventHandler->validate($columns)) {
                 $failureMap = array_merge($failureMap, $this->aNagiosCommandRelatedByEventHandler->getValidationFailures());
             }
         }
         if ($this->aNagiosTimeperiodRelatedByCheckPeriod !== null) {
             if (!$this->aNagiosTimeperiodRelatedByCheckPeriod->validate($columns)) {
                 $failureMap = array_merge($failureMap, $this->aNagiosTimeperiodRelatedByCheckPeriod->getValidationFailures());
             }
         }
         if ($this->aNagiosTimeperiodRelatedByNotificationPeriod !== null) {
             if (!$this->aNagiosTimeperiodRelatedByNotificationPeriod->validate($columns)) {
                 $failureMap = array_merge($failureMap, $this->aNagiosTimeperiodRelatedByNotificationPeriod->getValidationFailures());
             }
         }
         if (($retval = NagiosHostTemplatePeer::doValidate($this, $columns)) !== true) {
             $failureMap = array_merge($failureMap, $retval);
         }
         if ($this->collNagiosHostTemplateAutodiscoveryServices !== null) {
             foreach ($this->collNagiosHostTemplateAutodiscoveryServices as $referrerFK) {
                 if (!$referrerFK->validate($columns)) {
                     $failureMap = array_merge($failureMap, $referrerFK->getValidationFailures());
                 }
             }
         }
         if ($this->collNagiosServices !== null) {
             foreach ($this->collNagiosServices as $referrerFK) {
                 if (!$referrerFK->validate($columns)) {
                     $failureMap = array_merge($failureMap, $referrerFK->getValidationFailures());
                 }
             }
         }
         if ($this->collNagiosHostContactMembers !== null) {
             foreach ($this->collNagiosHostContactMembers as $referrerFK) {
                 if (!$referrerFK->validate($columns)) {
                     $failureMap = array_merge($failureMap, $referrerFK->getValidationFailures());
                 }
             }
         }
         if ($this->collNagiosDependencys !== null) {
             foreach ($this->collNagiosDependencys as $referrerFK) {
                 if (!$referrerFK->validate($columns)) {
                     $failureMap = array_merge($failureMap, $referrerFK->getValidationFailures());
                 }
             }
         }
         if ($this->collNagiosEscalations !== null) {
             foreach ($this->collNagiosEscalations as $referrerFK) {
                 if (!$referrerFK->validate($columns)) {
                     $failureMap = array_merge($failureMap, $referrerFK->getValidationFailures());
                 }
             }
         }
         if ($this->collNagiosHostContactgroups !== null) {
             foreach ($this->collNagiosHostContactgroups as $referrerFK) {
                 if (!$referrerFK->validate($columns)) {
                     $failureMap = array_merge($failureMap, $referrerFK->getValidationFailures());
                 }
             }
         }
         if ($this->collNagiosHostgroupMemberships !== null) {
             foreach ($this->collNagiosHostgroupMemberships as $referrerFK) {
                 if (!$referrerFK->validate($columns)) {
                     $failureMap = array_merge($failureMap, $referrerFK->getValidationFailures());
                 }
             }
         }
         if ($this->collNagiosHostCheckCommandParameters !== null) {
             foreach ($this->collNagiosHostCheckCommandParameters as $referrerFK) {
                 if (!$referrerFK->validate($columns)) {
                     $failureMap = array_merge($failureMap, $referrerFK->getValidationFailures());
                 }
             }
         }
         if ($this->collNagiosHostParents !== null) {
             foreach ($this->collNagiosHostParents as $referrerFK) {
                 if (!$referrerFK->validate($columns)) {
                     $failureMap = array_merge($failureMap, $referrerFK->getValidationFailures());
                 }
             }
         }
         if ($this->collNagiosHostTemplateInheritancesRelatedBySourceTemplate !== null) {
             foreach ($this->collNagiosHostTemplateInheritancesRelatedBySourceTemplate as $referrerFK) {
                 if (!$referrerFK->validate($columns)) {
                     $failureMap = array_merge($failureMap, $referrerFK->getValidationFailures());
                 }
             }
         }
         if ($this->collNagiosHostTemplateInheritancesRelatedByTargetTemplate !== null) {
             foreach ($this->collNagiosHostTemplateInheritancesRelatedByTargetTemplate as $referrerFK) {
                 if (!$referrerFK->validate($columns)) {
                     $failureMap = array_merge($failureMap, $referrerFK->getValidationFailures());
                 }
             }
         }
         if ($this->collAutodiscoveryDevices !== null) {
             foreach ($this->collAutodiscoveryDevices as $referrerFK) {
                 if (!$referrerFK->validate($columns)) {
                     $failureMap = array_merge($failureMap, $referrerFK->getValidationFailures());
                 }
             }
         }
         if ($this->collAutodiscoveryDeviceTemplateMatchs !== null) {
             foreach ($this->collAutodiscoveryDeviceTemplateMatchs as $referrerFK) {
                 if (!$referrerFK->validate($columns)) {
                     $failureMap = array_merge($failureMap, $referrerFK->getValidationFailures());
                 }
             }
         }
         $this->alreadyInValidation = false;
     }
     return !empty($failureMap) ? $failureMap : true;
 }