(1) Where the claimant has settled with the injured person in such a way as to bar the injured person's claim against the other concurrent wrongdoers, the claimant may recover contribution in the same way as if he had suffered judgment for damages, if he satisfies the court that the amount of the settlement was reasonable; and, if the court finds that the amount of the settlement was excessive, it may fix the amount at which the claim should have been settled.
(2) Where the claimant has settled with the injured person without barring the injured person's claim against the other concurrent wrongdoers or has paid to the injured person a sum on account of his damages, the claimant shall have the same right of contribution as aforesaid, and for this purpose the payment of a reasonable consideration for a release or accord shall be regarded as a payment of damages for which the claimant is liable to the injured person: but the contributor shall have the right to claim repayment of the whole
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