ByJG\AnyDataset\Dataset\SparQLIterator

Complexity

Total Complexity

8

Size/Duplication

Total Lines	65
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	4

Test Coverage

Coverage

80%

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	6	1
A	count()	0	4	1
A	hasNext()	0	8	2
A	moveNext()	0	14	3
A	key()	0	4	1

<?php

namespace ByJG\AnyDataset\Dataset;

use ByJG\AnyDataset\Exception\IteratorException;
use SparQL\Result;

class SparQLIterator extends GenericIterator
{

    /**
     * @var Result
     */
    private $sparqlQuery;

    /**
     * Enter description here...
     *
     * @var int
     */
    private $current = 0;

    public function __construct(Result $sparqlQuery)
    {
        $this->sparqlQuery = $sparqlQuery;

        $this->current = 0;
    }

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

    /**
     * @access public
     * @return bool
     */
    public function hasNext()
    {
        if ($this->current < $this->count()) {
            return true;
        }

        return false;
    }

    /**
     * @access public
     * @return Row
     * @throws IteratorException
     */
    public function moveNext()
    {
        if (!$this->hasNext()) {
            throw new IteratorException("No more records. Did you used hasNext() before moveNext()?");
        }

        if ($row = $this->sparqlQuery->fetchArray()) {
            $sr = new Row($row);
            $this->current++;
            return $sr;
        } else {
            throw new IteratorException("No more records. Unexpected behavior.");
        }
    }

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