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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 bank.impl;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Random;
import org.oasisopen.sca.annotation.Scope;
import org.oasisopen.sca.annotation.Service;
import bank.BankService;
import bank.ChallengeControl;
import bank.Statement;
import bank.StockHolding;
import bank.StockQuote;
/**
* An implementation of the Bank service.
*/
@Service({BankService.class, ChallengeControl.class})
@Scope("COMPOSITE")
public class BankServiceImpl implements BankService, ChallengeControl {
protected int initialCredit = 1000;
protected int overdrawnCost = 1;
protected int statementCost = 1;
protected int stockQuoteCost = 1;
protected int stockTransactionCost = 1;
private List<StockQuote> stocks = new ArrayList<StockQuote>();
private List<Statement> accounts = new ArrayList<Statement>();
private Random generator = new Random();
private HashMap<String, StockQuote> stockMap = new HashMap<String, StockQuote>();
private HashMap<String, Statement> accountMap = new HashMap<String, Statement>();
public BankServiceImpl(){
// TODO - Data to come from composite file
// initial stocks
stocks.add(new StockQuote("ABC", 100));
stocks.add(new StockQuote("DEF", 123));
stocks.add(new StockQuote("GHI", 543));
// initial users
accounts.add(new Statement("SL", null, 0, null));
accounts.add(new Statement("AE", null, 0, null));
accounts.add(new Statement("KG", null, 0, null));
// create map for easy access
for (StockQuote stock : stocks){
stockMap.put(stock.getStockCode(), stock);
}
}
// BankService service implementation
public String createAccount(String customerName) {
for (Statement statement : accounts){
if (statement.getCustomerName().equals(customerName)){
accountMap.put(statement.getAccountID(), statement);
statement.getTransactions().add("account created");
statement.creditCashBalance(initialCredit, "starting balance");
return statement.getAccountID();
}
}
return "Customer Name Not Found";
}
public Statement getStatement(String accountID) {
Statement statement = accountMap.get(accountID);
if(statement != null){
statement.debitCashBalance(statementCost, "retrieved statement");
if (statement.getCashBalance() < 0){
statement.debitCashBalance(overdrawnCost, "account overdrawn");
}
}
return statement;
}
public void buyEquity(String accountID, String equityCode, int number) {
updateStockPrices();
StockQuote stock = stockMap.get(equityCode);
if (stock == null){
return;
}
long cost = stock.getStockQuote() * number;
Statement statement = accountMap.get(accountID);
if(statement != null){
if (statement.getCashBalance() > cost){
StockHolding stockHolding = new StockHolding(equityCode, number, stock.getStockQuote());
statement.creditStockHolding(stockHolding);
statement.debitCashBalance(stockTransactionCost, "stock transaction (buy) " + equityCode);
}
}
}
public void sellEquity(String accountID, String equityCode, int number) {
updateStockPrices();
StockQuote stock = stockMap.get(equityCode);
if (stock == null){
return;
}
Statement statement = accountMap.get(accountID);
if(statement != null){
StockHolding stockHolding = new StockHolding(equityCode, number, stock.getStockQuote());
statement.debitStockHolding(stockHolding);
statement.debitCashBalance(stockTransactionCost, "stock transaction (sell) " + equityCode);
}
}
public StockQuote getStockQuote(String accountID, String equityCode) {
updateStockPrices();
Statement statement = accountMap.get(accountID);
StockQuote stockQuote = null;
if(statement != null){
statement.debitCashBalance(stockQuoteCost, "stock quote");
if (statement.getCashBalance() < 0){
statement.debitCashBalance(overdrawnCost, "account overdrawn");
}
stockQuote = stockMap.get(equityCode);
}
return stockQuote;
}
public List<StockQuote> getAllStockQuotes(String accountID) {
updateStockPrices();
Statement statement = accountMap.get(accountID);
List<StockQuote> stockQuote = null;
if(statement != null){
statement.debitCashBalance(stockQuoteCost * stocks.size(), "stock quote");
if (statement.getCashBalance() < 0){
statement.debitCashBalance(overdrawnCost, "account overdrawn");
}
stockQuote = stocks;
}
return stockQuote;
}
// ChallengeControl service implmentation
public void start() {
}
public void increment() {
}
public void stop() {
System.out.println("Customer report");
System.out.println("===============");
for(Statement account : accounts){
System.out.println("\n");
System.out.println(account);
}
}
// private functions
private void updateStockPrices(){
for (StockQuote stock : stocks){
long stockQuote = stock.getStockQuote();
stockQuote += (generator.nextInt(10) - 5);
stock.setStockQuote(stockQuote);
}
}
}
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