framework/behaviors/OptimisticLockBehavior.php
protected function getLockAttribute()
    {
        if ($this->_lockAttribute) {
            return $this->_lockAttribute;
        }

        /* @var $owner BaseActiveRecord */
        $owner = $this->owner;
        $lock = $owner->optimisticLock();
        if ($lock === null || $owner->hasAttribute($lock) === false) {
            throw new InvalidCallException("Unable to get the optimistic lock attribute. Probably 'optimisticLock()' method is misconfigured.");
        }
        $this->_lockAttribute = $lock;
        return $lock;
    }
protected function getLockAttribute()
    {
        if ($this->_lockAttribute) {
            return $this->_lockAttribute;
        }

        /* @var $owner BaseActiveRecord */
        $owner = $this->owner;
        $lock = $owner->optimisticLock();
        if ($lock === null || $owner->hasAttribute($lock) === false) {
            throw new InvalidCallException("Unable to get the optimistic lock attribute. Probably 'optimisticLock()' method is misconfigured.");
        }
        $this->_lockAttribute = $lock;
        return $lock;
    }
protected function getLockAttribute ( ) { if ( $ this -> _lockAttribute ) { return $ this -> _lockAttribute ; } /* @var $owner BaseActiveRecord */ $ owner = $ this -> owner ; $ lock = $ owner -> optimisticLock ( ) ; if ( $ lock === null || $ owner -> hasAttribute ( $ lock ) === false ) { throw new InvalidCallException ( "Unable to get the optimistic lock attribute. Probably 'optimisticLock()' method is misconfigured." ) ; } $ this -> _lockAttribute = $ lock ; return $ lock ; }
Returns the column name to hold the version value as defined in [[\yii\db\BaseActiveRecord::optimisticLock()|optimisticLock()]].
@return string the property name.
@throws InvalidCallException if [[\yii\db\BaseActiveRecord::optimisticLock()|optimisticLock()]] is not properly configured.
@since 2.0.16
Returns the column name to hold the version value as defined in [[ \ yii \ db \ BaseActiveRecord :: optimisticLock () |optimisticLock () ]] .