Checks if the value represented by this object is negative
| public isNegative ( ) : boolean | ||
| return | boolean | |
/**
* Deposit the given amount to the beneficiary's account
*
* @param Money $amount
* @throws InvalidTransferAmount
* A member cannot transfer a negative amount to another member
*/
protected function applyDeposit(Money $amount)
{
if ($amount->isNegative()) {
throw new InvalidTransferAmount("Cannot transfer negative amount {$amount->getAmount()}");
}
$this->account->deposit($amount);
}