Code Coverage
 
Classes and Traits
Functions and Methods
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Total
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 CRAP
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Grouped
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 __construct($dataSources = array())
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 addDataSource(DataSourceInterface $dataSource)
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 getDataSources()
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 read()
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<?php
/**
* This file is part of the Statistical Classifier package.
*
* (c) Cam Spiers <camspiers@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Camspiers\StatisticalClassifier\DataSource;
use InvalidArgumentException;
/**
* @author Cam Spiers <camspiers@gmail.com>
* @package Statistical Classifier
*/
class Grouped extends DataArray
{
/**
* The data sources to use
* @var array
*/
protected $dataSources = array();
/**
* Create the object passing in the datasources as an array
* @param mixed $dataSources The data sources
* @throws \InvalidArgumentException
*/
public function __construct($dataSources = array())
{
if (!is_array($dataSources)) {
$dataSources = func_get_args();
}
if (count($dataSources) < 2) {
throw new InvalidArgumentException("A group of data sources must contain at least 2 data sources");
}
foreach ($dataSources as $dataSource) {
$this->addDataSource($dataSource);
}
}
/**
* Add a data source to the array
* @param DataSourceInterface $dataSource The data source
*/
public function addDataSource(DataSourceInterface $dataSource)
{
$this->dataSources[] = $dataSource;
}
/**
* Returns any datasources that are part of the group
* @return array
*/
public function getDataSources()
{
return $this->dataSources;
}
/**
* @{inheritdoc}
*/
public function read()
{
$groupedData = array();
foreach ($this->dataSources as $dataSource) {
$groupedData[] = $dataSource->getData();
}
return call_user_func_array('array_merge', $groupedData);
}
}