/**
* Execute a callback on every ready adapter.
* @param \Closure $callbackFunction
* @return \Brickoo\Component\Storage\StorageProxy
*/
private function executeIterationCallback(\Closure $callbackFunction)
{
$this->rewindAdapterPool();
$callbackValue = null;
while ($callbackValue !== self::BREAK_ITERATION_CALLBACK && $this->adapterPoolIterator->valid() && $this->adapterPoolIterator->isCurrentReady()) {
$callbackValue = $callbackFunction($this->adapterPoolIterator->current());
$this->adapterPoolIterator->next();
}
return $this;
}
/**
* @covers Brickoo\Component\Storage\Adapter\AdapterPoolIterator::isCurrentReady
* @covers Brickoo\Component\Storage\Adapter\AdapterPoolIterator::isEmpty
* @covers Brickoo\Component\Storage\Adapter\Exception\PoolIsEmptyException
* @expectedException \Brickoo\Component\Storage\Adapter\Exception\PoolIsEmptyException
*/
public function testIsCurrentReadyThrowsExceptionIfPoolIsEmpty()
{
$adapterPoolIterator = new AdapterPoolIterator([]);
$adapterPoolIterator->isCurrentReady();
}