/* ===================================================
* Copyright 2012 Kousen IT, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ========================================================== */
package mjg.spring.services;
import java.math.BigDecimal;
import mjg.spring.dao.AccountDAO;
import mjg.spring.entities.Account;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
@Service
@Transactional
public class AccountService {
@Autowired
private AccountDAO dao;
@Transactional(readOnly = true, propagation = Propagation.SUPPORTS)
public BigDecimal getAccountBalance(int id) {
Account account = dao.findAccountById(id);
return account.getBalance();
}
public BigDecimal depositIntoAccount(int id, BigDecimal amount) {
Account account = dao.findAccountById(id);
account.deposit(amount);
dao.updateAccount(account);
return account.getBalance();
}
public BigDecimal withdrawFromAccount(int id, BigDecimal amount) {
Account account = dao.findAccountById(id);
account.withdraw(amount);
dao.updateAccount(account);
return account.getBalance();
}
public boolean transferFunds(int fromId, int toId, BigDecimal amount) {
Account from = dao.findAccountById(fromId);
Account to = dao.findAccountById(toId);
from.withdraw(amount);
to.deposit(amount);
dao.updateAccount(from);
dao.updateAccount(to);
return true;
}
}