/**
* Returns whether or not the provided $dateTime object is contained by this
* relationship expression.
*
* @param DateTime $dateTime
* @return bool
*/
public function contains(\DateTime $dateTime)
{
return $this->firstExpression->contains($dateTime) && !$this->secondExpression->contains($dateTime);
}
/**
* Check if current expression is contained in another
* @param Expression $exp
* @return boolean
*/
public function contained(Expression $exp)
{
return $exp->contains($this);
}
