public function getIdentityProperty()
    {
        if (is_string($this->_identity_property)) {
            $this->setIdentityProperty($this->_identity_property);
        }

        return $this->_identity_property;
    }
public function getIdentityProperty()
    {
        if (is_string($this->_identity_property)) {
            $this->setIdentityProperty($this->_identity_property);
        }

        return $this->_identity_property;
    }
public function getIdentityProperty ( ) { if ( is_string ( $ this -> _identity_property ) ) { $ this -> setIdentityProperty ( $ this -> _identity_property ) ; } return $ this -> _identity_property ; }
Return an identity property that uniquely identifies an entity.

@return AnDomainAttributeScalar
Return an identity property that uniquely identifies an entity .