ORMResult.php

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<?php
class ORMResult implements ORMIterator {

        protected $res;

        protected $key;

        protected $current;

        protected $table;

        public function __construct( IORMTable $table, ResultWrapper $res ) {
                $this->table = $table;
                $this->res = $res;
                $this->key = 0;
                $this->setCurrent( $this->res->current() );
        }

        protected function setCurrent( $row ) {
                if ( $row === false ) {
                        $this->current = false;
                } else {
                        $this->current = $this->table->newRowFromDBResult( $row );
                }
        }

        public function count() {
                return $this->res->numRows();
        }

        public function isEmpty() {
                return $this->res->numRows() === 0;
        }

        public function current() {
                return $this->current;
        }

        public function key() {
                return $this->key;
        }

        public function next() {
                $row = $this->res->next();
                $this->setCurrent( $row );
                $this->key++;
        }

        public function rewind() {
                $this->res->rewind();
                $this->key = 0;
                $this->setCurrent( $this->res->current() );
        }

        public function valid() {
                return $this->current !== false;
        }

}