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author
Serdar Hamzaoğulları
committed
Code formating
1 parent 64824d6 commit 4b3435c

22 files changed

+1409
-461
lines changed

‎event-sourcing/etc/.gitkeep‎

Whitespace-only changes.

‎event-sourcing/etc/event-sourcing.urm.puml‎

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@startuml
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package com.iluwatar.event.sourcing.journal {
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class JsonFileJournal {
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- aFile : File
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- events : List<String>
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- index : int
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+ JsonFileJournal()
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+ readNext() : DomainEvent
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+ reset()
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+ write(domainEvent : DomainEvent)
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}
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}
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package com.iluwatar.event.sourcing.processor {
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class DomainEventProcessor {
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- precessorJournal : ProcessorJournal
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+ DomainEventProcessor()
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+ process(domainEvent : DomainEvent)
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+ recover()
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+ setPrecessorJournal(precessorJournal : ProcessorJournal)
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}
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}
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package com.iluwatar.event.sourcing.service {
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class AccountService {
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- eventProcessor : EventProcessor
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+ AccountService(eventProcessor : EventProcessor)
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+ createAccount(accountNo : int, owner : String)
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}
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class MoneyTransactionService {
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- eventProcessor : EventProcessor
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+ MoneyTransactionService(eventProcessor : EventProcessor)
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+ depositMoney(accountNo : int, money : BigDecimal)
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+ transferMoney(accountNoFrom : int, accountNoTo : int, money : BigDecimal)
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+ withdrawalMoney(accountNo : int, money : BigDecimal)
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}
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class SequenceIdGenerator {
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- sequenceId : long {static}
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+ SequenceIdGenerator()
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+ nextSequenceId() : long {static}
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}
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}
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package com.iluwatar.event.sourcing.event {
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class AccountCreateEvent {
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- accountNo : int
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- owner : String
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+ AccountCreateEvent(sequenceId : long, createdTime : long, accountNo : int, owner : String)
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+ getAccountNo() : int
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+ getOwner() : String
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+ process()
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}
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class MoneyDepositEvent {
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- accountNo : int
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- money : BigDecimal
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+ MoneyDepositEvent(sequenceId : long, createdTime : long, accountNo : int, money : BigDecimal)
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+ getAccountNo() : int
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+ getMoney() : BigDecimal
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+ process()
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}
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class MoneyTransferEvent {
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- accountNoFrom : int
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- accountNoTo : int
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- money : BigDecimal
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+ MoneyTransferEvent(sequenceId : long, createdTime : long, money : BigDecimal, accountNoFrom : int, accountNoTo : int)
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+ getAccountNoFrom() : int
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+ getAccountNoTo() : int
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+ getMoney() : BigDecimal
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+ process()
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}
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class MoneyWithdrawalEvent {
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- accountNo : int
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- money : BigDecimal
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+ MoneyWithdrawalEvent(sequenceId : long, createdTime : long, accountNo : int, money : BigDecimal)
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+ getAccountNo() : int
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+ getMoney() : BigDecimal
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+ process()
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}
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}
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package com.iluwatar.event.sourcing.gateway {
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class AccountCreateContractSender {
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+ AccountCreateContractSender()
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+ sendContractInfo(account : Account)
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}
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class Gateways {
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- accountCreateContractSender : AccountCreateContractSender {static}
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- transactionLogger : TransactionLogger {static}
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+ Gateways()
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+ getAccountCreateContractSender() : AccountCreateContractSender {static}
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+ getTransactionLogger() : TransactionLogger {static}
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}
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class TransactionLogger {
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+ TransactionLogger()
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+ log(transaction : Transaction)
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}
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}
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package com.iluwatar.event.sourcing.app {
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class App {
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+ App()
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+ main(args : String[]) {static}
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}
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}
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package com.iluwatar.event.sourcing.state {
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class AccountAggregate {
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- accounts : Map<Integer, Account> {static}
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+ AccountAggregate()
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+ getAccount(accountNo : int) : Account {static}
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+ putAccount(account : Account) {static}
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+ resetState() {static}
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}
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}
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package com.iluwatar.event.sourcing.domain {
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class Account {
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- accountNo : int
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- money : BigDecimal
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- owner : String
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- transactions : List<Transaction>
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+ Account(accountNo : int, owner : String)
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+ copy() : Account
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- depositMoney(money : BigDecimal) : Transaction
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+ getAccountNo() : int
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+ getMoney() : BigDecimal
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+ getOwner() : String
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+ getTransactions() : List<Transaction>
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- handleDeposit(money : BigDecimal, realTime : boolean)
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+ handleEvent(accountCreateEvent : AccountCreateEvent)
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+ handleEvent(moneyDepositEvent : MoneyDepositEvent)
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+ handleEvent(moneyWithdrawalEvent : MoneyWithdrawalEvent)
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+ handleTransferFromEvent(moneyTransferEvent : MoneyTransferEvent)
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+ handleTransferToEvent(moneyTransferEvent : MoneyTransferEvent)
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- handleWithdrawal(money : BigDecimal, realTime : boolean)
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+ setMoney(money : BigDecimal)
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+ setTransactions(transactions : List<Transaction>)
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+ toString() : String
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- withdrawMoney(money : BigDecimal) : Transaction
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}
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class Transaction {
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- accountNo : int
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- lastBalance : BigDecimal
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- moneyIn : BigDecimal
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- moneyOut : BigDecimal
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+ Transaction(accountNo : int, moneyIn : BigDecimal, moneyOut : BigDecimal, lastBalance : BigDecimal)
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+ getAccountNo() : int
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+ getLastBalance() : BigDecimal
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+ getMoneyIn() : BigDecimal
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+ getMoneyOut() : BigDecimal
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+ toString() : String
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}
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}
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package com.iluwatar.event.sourcing.api {
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abstract class DomainEvent {
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- createdTime : long
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- eventClassName : String
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- realTime : boolean
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- sequenceId : long
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+ DomainEvent(sequenceId : long, createdTime : long, eventClassName : String)
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+ getCreatedTime() : long
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+ getEventClassName() : String
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+ getSequenceId() : long
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+ isRealTime() : boolean
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+ process() {abstract}
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+ setRealTime(realTime : boolean)
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}
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interface EventProcessor {
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+ process(DomainEvent) {abstract}
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+ recover() {abstract}
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+ setPrecessorJournal(ProcessorJournal) {abstract}
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}
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interface ProcessorJournal {
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+ readNext() : DomainEvent {abstract}
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+ reset() {abstract}
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+ write(DomainEvent) {abstract}
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}
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}
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Gateways --> "-accountCreateContractSender" AccountCreateContractSender
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DomainEventProcessor --> "-precessorJournal" ProcessorJournal
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Account --> "-transactions" Transaction
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Gateways --> "-transactionLogger" TransactionLogger
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AccountService --> "-eventProcessor" EventProcessor
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MoneyTransactionService --> "-eventProcessor" EventProcessor
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AccountCreateEvent --|> DomainEvent
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MoneyDepositEvent --|> DomainEvent
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MoneyTransferEvent --|> DomainEvent
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MoneyWithdrawalEvent --|> DomainEvent
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JsonFileJournal ..|> ProcessorJournal
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DomainEventProcessor ..|> EventProcessor
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@enduml

‎event-sourcing/src/.gitkeep‎

Whitespace-only changes.

‎event-sourcing/src/main/java/com/iluwatar/event/sourcing/api/DomainEvent.java‎

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/**
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* The MIT License
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* Copyright (c) 2014 Ilkka Seppälä
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package com.iluwatar.event.sourcing.api;
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import java.io.Serializable;
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* Created by serdarh on 06.08.2017.
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*/
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public abstract class DomainEvent implements Serializable {
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private final long sequenceId;
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private final long createdTime;
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private boolean realTime = true;
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private final String eventClassName;
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public DomainEvent(long sequenceId, long createdTime, String eventClassName) {
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this.sequenceId = sequenceId;
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this.createdTime = createdTime;
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this.eventClassName = eventClassName;
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}
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public long getSequenceId() {
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return sequenceId;
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}
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public long getCreatedTime() {
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return createdTime;
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}
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public boolean isRealTime() {
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return realTime;
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}
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public void setRealTime(boolean realTime) {
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this.realTime = realTime;
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}
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public abstract void process();
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public String getEventClassName() {
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return eventClassName;
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}
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private final long sequenceId;
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private final long createdTime;
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private final String eventClassName;
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private boolean realTime = true;
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/**
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* Instantiates a new Domain event.
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*
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* @param sequenceId the sequence id
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* @param createdTime the created time
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* @param eventClassName the event class name
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*/
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public DomainEvent(long sequenceId, long createdTime, String eventClassName) {
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this.sequenceId = sequenceId;
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this.createdTime = createdTime;
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this.eventClassName = eventClassName;
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}
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/**
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* Gets sequence id.
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*
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* @return the sequence id
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*/
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public long getSequenceId() {
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return sequenceId;
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}
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/**
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* Gets created time.
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*
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* @return the created time
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*/
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public long getCreatedTime() {
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return createdTime;
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}
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/**
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* Is real time boolean.
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*
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* @return the boolean
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*/
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public boolean isRealTime() {
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return realTime;
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}
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/**
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* Sets real time.
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*
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* @param realTime the real time
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*/
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public void setRealTime(boolean realTime) {
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this.realTime = realTime;
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}
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/**
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* Process.
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*/
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public abstract void process();
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/**
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* Gets event class name.
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*
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* @return the event class name
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*/
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public String getEventClassName() {
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return eventClassName;
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}
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}

‎event-sourcing/src/main/java/com/iluwatar/event/sourcing/api/EventProcessor.java‎

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/**
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* The MIT License
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* Copyright (c) 2014 Ilkka Seppälä
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
10+
* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18+
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package com.iluwatar.event.sourcing.api;
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/**
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* Created by serdarh on 06.08.2017.
527
*/
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public interface EventProcessor {
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void process(DomainEvent domainEvent);
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void setPrecessorJournal(ProcessorJournal precessorJournal);
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void recover();
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/**
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* Process.
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*
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* @param domainEvent the domain event
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*/
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void process(DomainEvent domainEvent);
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/**
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* Sets precessor journal.
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*
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* @param precessorJournal the precessor journal
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*/
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void setPrecessorJournal(ProcessorJournal precessorJournal);
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/**
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* Recover.
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*/
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void recover();
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}

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