Maslosoft\Mangan\Traits\DataProvider\DataTrait

Complexity

Total Complexity

4

Size/Duplication

Total Lines	25
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Test Coverage

Coverage

88.89%

Importance

Changes	1
Bugs	0	Features	0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	getData()	0	12	4
	fetchData()	0	1	?

<?php

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namespace Maslosoft\Mangan\Traits\DataProvider;

/**
 * DataTrait
 *
 * @author Piotr Maselkowski <pmaselkowski at gmail.com>
 */
trait DataTrait
{

	private $data = null;

	/**
	 * Returns the data items currently available, ensures that result is at leas empty array
	 * @param boolean $refresh whether the data should be re-fetched from persistent storage.
	 * @return array the list of data items currently available in this data provider.
	 */
	public function getData($refresh = false)
	{
		if ($this->data === null || $refresh)
		{
			$this->data = $this->fetchData();
		}
		if ($this->data === null)
		{
			return [];
		}
		return $this->data;
	}

	abstract protected function fetchData();
}