/**
* Constructor of the realistic domain.
*
* @return void
*/
protected function construct()
{
parent::construct();
$this->adjustLength();
return;
}
/**
* Sample a new value.
*
* @param \Hoa\Math\Sampler $sampler Sampler.
* @return mixed
* @throws \Hoa\Realdom\Exception
*/
public function sample(Math\Sampler $sampler = null)
{
if (empty($this->_realdoms)) {
throw new Exception('Cannot sample because the disjunction is empty.', 3);
}
if (null === $sampler && null === ($sampler = Realdom::getDefaultSampler())) {
throw new Exception('No sampler set. Please, use the %s::setDefaultSampler() ' . 'method.', 4, __NAMESPACE__);
}
$m = count($this->_realdoms) - 1;
$i = $sampler->getInteger(0, $m);
$this->_chosenRealdom = $this->_realdoms[$i];
return $this->_chosenRealdom->sample($sampler);
}