BankClient.java

package com.checkout.paymentgw.bank.client;

import com.checkout.paymentgw.bank.api.dto.AuthorisationCommand;
import com.checkout.paymentgw.bank.api.dto.AuthorisationResult;

/**
 * Strategy interface for talking to a specific acquiring bank. Add a new
 * implementation to support a new acquirer; routing logic (by BIN, currency,
 * merchant config) lives in {@link AcquirerRouter}.
 */
public interface BankClient {
    AuthorisationResult authorise(AuthorisationCommand command);
}