function identity()
    {
        if (!$this->identity)
            $this->identity = new BaseIdentity(get_class($this));

        return $this->identity;
    }
function identity()
    {
        if (!$this->identity)
            $this->identity = new BaseIdentity(get_class($this));

        return $this->identity;
    }
function identity ( ) { if ( ! $ this -> identity ) $ this -> identity = new BaseIdentity ( get_class ( $ this ) ) ; return $ this -> identity ; }
Get Authorized User Identity

- identities must inject into adapter by auth services

@throws \Exception Not Identity Available Or Set
@return BaseIdentity
Get Authorized User Identity