/**
* {@inheritdoc}
*/
public function read()
{
if (count($this->remainingItems) > 0) {
$item = array_shift($this->remainingItems);
return $item;
}
$items = $this->reader->read();
if (null !== $items) {
$this->remainingItems = $this->converter->convert($items);
return $this->read();
}
return null;
}
/**
* {@inheritdoc}
*/
public function doExecute(StepExecution $stepExecution)
{
$itemsToWrite = array();
$writeCount = 0;
$this->initializeStepElements($stepExecution);
$stopExecution = false;
while (!$stopExecution) {
try {
$readItem = $this->reader->read();
if (null === $readItem) {
$stopExecution = true;
continue;
}
} catch (InvalidItemException $e) {
$this->handleStepExecutionWarning($this->stepExecution, $this->reader, $e);
continue;
}
$processedItem = $this->process($readItem);
if (null !== $processedItem) {
$itemsToWrite[] = $processedItem;
$writeCount++;
if (0 === $writeCount % $this->batchSize) {
$this->write($itemsToWrite);
$itemsToWrite = array();
$this->getJobRepository()->updateStepExecution($stepExecution);
}
}
}
if (count($itemsToWrite) > 0) {
$this->write($itemsToWrite);
}
$this->flushStepElements();
}
/**
* {@inheritdoc}
*/
public function analyze(ItemReaderInterface $reader)
{
$stats = ["columns_count" => 0, "products" => ["count" => 0, "values_count" => 0, "values_per_product" => []]];
$lineNumber = 1;
while ($valuesData = $reader->read()) {
if (0 === $stats['columns_count']) {
$stats['columns_count'] = count($valuesData);
}
$valuesCount = $this->countValues($valuesData);
$stats['products']['count']++;
$stats['products']['values_count'] += $valuesCount;
$stats['products']['values_per_product'] = $this->computeValuesStats($valuesCount, $stats['products']['values_per_product'], $lineNumber);
$lineNumber++;
}
if ($stats['products']['count'] > 0) {
$stats['products']['values_per_product']['average'] = round($stats['products']['values_count'] / $stats['products']['count']);
}
return $stats;
}
function it_analyzes_empty_product_data(ItemReaderInterface $reader)
{
$reader->read()->willReturn(null);
$this->analyze($reader)->shouldBeLike(["columns_count" => 0, "products" => ["count" => 0, "values_count" => 0, "values_per_product" => []]]);
}