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Improved module name <functional-area>-<Command|Query>....

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Standalone services now use the Event Store Server (many tests still use the embedded server)
This commit is contained in:
Chris Richardson
2015-04-14 19:08:07 -07:00
parent d166c9b852
commit 2e31853ad2
150 changed files with 1237 additions and 109 deletions
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19
java-spring/accounts-command-side-backend/build.gradle Normal file
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apply plugin: 'java'
dependencies {
compile project(":common-backend")
compile "net.chrisrichardson.eventstore.client:eventstore-java-client:$eventStoreClientVersion"
compile "org.springframework.boot:spring-boot-starter-data-mongodb:$springBootVersion"
compile 'com.fasterxml.jackson.core:jackson-core:2.4.3'
compile 'com.fasterxml.jackson.core:jackson-databind:2.4.3'
compile 'com.fasterxml.jackson.module:jackson-module-scala_2.10:2.4.3'
testCompile project(":testutil")
testCompile "junit:junit:4.11"
testCompile "org.springframework.boot:spring-boot-starter-test:$springBootVersion"
testCompile "net.chrisrichardson.eventstore.client:eventstore-jdbc:$eventStoreClientVersion"
}

53
java-spring/accounts-command-side-backend/src/main/java/net/chrisrichardson/eventstore/javaexamples/banking/backend/commandside/accounts/Account.java Normal file
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package net.chrisrichardson.eventstore.javaexamples.banking.backend.commandside.accounts;
import net.chrisrichardson.eventstore.Event;
import net.chrisrichardson.eventstore.EventUtil;
import net.chrisrichardson.eventstore.ReflectiveMutableCommandProcessingAggregate;
import net.chrisrichardson.eventstore.javaexamples.banking.backend.common.accounts.AccountCreditedEvent;
import net.chrisrichardson.eventstore.javaexamples.banking.backend.common.accounts.AccountDebitFailedDueToInsufficientFundsEvent;
import net.chrisrichardson.eventstore.javaexamples.banking.backend.common.accounts.AccountDebitedEvent;
import net.chrisrichardson.eventstore.javaexamples.banking.backend.common.accounts.AccountOpenedEvent;
import java.math.BigDecimal;
import java.util.List;
public class Account extends ReflectiveMutableCommandProcessingAggregate<Account, AccountCommand> {
private BigDecimal balance;
public List<Event> process(OpenAccountCommand cmd) {
return EventUtil.events(new AccountOpenedEvent(cmd.getInitialBalance()));
}
public List<Event> process(DebitAccountCommand cmd) {
if (balance.compareTo(cmd.getAmount()) < 0)
return EventUtil.events(new AccountDebitFailedDueToInsufficientFundsEvent(cmd.getTransactionId()));
else
return EventUtil.events(new AccountDebitedEvent(cmd.getAmount(), cmd.getTransactionId()));
}
public List<Event> process(CreditAccountCommand cmd) {
return EventUtil.events(new AccountCreditedEvent(cmd.getAmount(), cmd.getTransactionId()));
}
public void apply(AccountOpenedEvent event) {
balance = event.getInitialBalance();
}
public void apply(AccountDebitedEvent event) {
balance = balance.subtract(event.getAmount());
}
public void apply(AccountDebitFailedDueToInsufficientFundsEvent event) {
}
public void apply(AccountCreditedEvent event) {
balance = balance.add(event.getAmount());
}
public BigDecimal getBalance() {
return balance;
}
}

6
java-spring/accounts-command-side-backend/src/main/java/net/chrisrichardson/eventstore/javaexamples/banking/backend/commandside/accounts/AccountCommand.java Normal file
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package net.chrisrichardson.eventstore.javaexamples.banking.backend.commandside.accounts;
import net.chrisrichardson.eventstore.Command;
interface AccountCommand extends Command {
}

31
java-spring/accounts-command-side-backend/src/main/java/net/chrisrichardson/eventstore/javaexamples/banking/backend/commandside/accounts/AccountConfiguration.java Normal file
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package net.chrisrichardson.eventstore.javaexamples.banking.backend.commandside.accounts;
import net.chrisrichardson.eventstore.EventStore;
import net.chrisrichardson.eventstore.javaapi.consumer.EnableJavaEventHandlers;
import net.chrisrichardson.eventstore.repository.AggregateRepository;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
@EnableJavaEventHandlers
public class AccountConfiguration {
@Bean
public AccountWorkflow accountWorkflow() {
return new AccountWorkflow();
}
@Bean
public AccountService accountService(AggregateRepository<Account, AccountCommand> accountRepository) {
return new AccountService(accountRepository);
}
@Bean
public AggregateRepository<Account, AccountCommand> accountRepository(EventStore eventStore) {
return new AggregateRepository<Account, AccountCommand>(Account.class, eventStore);
}
}

21
java-spring/accounts-command-side-backend/src/main/java/net/chrisrichardson/eventstore/javaexamples/banking/backend/commandside/accounts/AccountService.java Normal file
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package net.chrisrichardson.eventstore.javaexamples.banking.backend.commandside.accounts;
import net.chrisrichardson.eventstore.EntityWithIdAndVersion;
import net.chrisrichardson.eventstore.repository.AggregateRepository;
import java.math.BigDecimal;
public class AccountService {
private final AggregateRepository<Account, AccountCommand> accountRepository;
public AccountService(AggregateRepository<Account, AccountCommand> accountRepository) {
this.accountRepository = accountRepository;
}
public rx.Observable<EntityWithIdAndVersion<Account>> openAccount(BigDecimal initialBalance) {
return accountRepository.save(new OpenAccountCommand(initialBalance));
}
}

36
java-spring/accounts-command-side-backend/src/main/java/net/chrisrichardson/eventstore/javaexamples/banking/backend/commandside/accounts/AccountWorkflow.java Normal file
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package net.chrisrichardson.eventstore.javaexamples.banking.backend.commandside.accounts;
import net.chrisrichardson.eventstore.EntityIdentifier;
import net.chrisrichardson.eventstore.javaapi.consumer.EventHandlerContext;
import net.chrisrichardson.eventstore.javaexamples.banking.backend.common.transactions.DebitRecordedEvent;
import net.chrisrichardson.eventstore.javaexamples.banking.backend.common.transactions.MoneyTransferCreatedEvent;
import net.chrisrichardson.eventstore.subscriptions.*;
import rx.Observable;
import java.math.BigDecimal;
@EventSubscriber(id="accountEventHandlers")
public class AccountWorkflow implements CompoundEventHandler {
@EventHandlerMethod
public Observable<?> debitAccount(EventHandlerContext<MoneyTransferCreatedEvent> ctx) {
MoneyTransferCreatedEvent event = ctx.getEvent();
BigDecimal amount = event.getDetails().getAmount();
EntityIdentifier transactionId = ctx.getEntityIdentifier();
EntityIdentifier fromAccountId = event.getDetails().getFromAccountId();
return ctx.update(Account.class, fromAccountId, new DebitAccountCommand(amount, transactionId));
}
@EventHandlerMethod
public Observable<?> creditAccount(EventHandlerContext<DebitRecordedEvent> ctx) {
DebitRecordedEvent event = ctx.getEvent();
BigDecimal amount = event.getDetails().getAmount();
EntityIdentifier fromAccountId = event.getDetails().getToAccountId();
EntityIdentifier transactionId = ctx.getEntityIdentifier();
return ctx.update(Account.class, fromAccountId, new CreditAccountCommand(amount, transactionId));
}
}

25
java-spring/accounts-command-side-backend/src/main/java/net/chrisrichardson/eventstore/javaexamples/banking/backend/commandside/accounts/CreditAccountCommand.java Normal file
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package net.chrisrichardson.eventstore.javaexamples.banking.backend.commandside.accounts;
import net.chrisrichardson.eventstore.Aggregate;
import net.chrisrichardson.eventstore.EntityIdentifier;
import java.math.BigDecimal;
public class CreditAccountCommand implements AccountCommand {
private final BigDecimal amount;
private final EntityIdentifier transactionId;
public CreditAccountCommand(BigDecimal amount, EntityIdentifier transactionId) {
this.amount = amount;
this.transactionId = transactionId;
}
public BigDecimal getAmount() {
return amount;
}
public EntityIdentifier getTransactionId() {
return transactionId;
}
}

26
java-spring/accounts-command-side-backend/src/main/java/net/chrisrichardson/eventstore/javaexamples/banking/backend/commandside/accounts/DebitAccountCommand.java Normal file
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package net.chrisrichardson.eventstore.javaexamples.banking.backend.commandside.accounts;
import net.chrisrichardson.eventstore.Aggregate;
import net.chrisrichardson.eventstore.EntityIdentifier;
import java.math.BigDecimal;
public class DebitAccountCommand implements AccountCommand {
private final BigDecimal amount;
private final EntityIdentifier transactionId;
public DebitAccountCommand(BigDecimal amount, EntityIdentifier transactionId) {
this.amount = amount;
this.transactionId = transactionId;
}
public BigDecimal getAmount() {
return amount;
}
public EntityIdentifier getTransactionId() {
return transactionId;
}
}

17
java-spring/accounts-command-side-backend/src/main/java/net/chrisrichardson/eventstore/javaexamples/banking/backend/commandside/accounts/OpenAccountCommand.java Normal file
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package net.chrisrichardson.eventstore.javaexamples.banking.backend.commandside.accounts;
import java.math.BigDecimal;
public class OpenAccountCommand implements AccountCommand {
private BigDecimal initialBalance;
public OpenAccountCommand(BigDecimal initialBalance) {
this.initialBalance = initialBalance;
}
public BigDecimal getInitialBalance() {
return initialBalance;
}
}

12
java-spring/accounts-command-side-backend/src/test/java/net/chrisrichardson/eventstore/javaexamples/banking/backend/commandside/accounts/AccountEventTest.java Normal file
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package net.chrisrichardson.eventstore.javaexamples.banking.backend.commandside.accounts;
import net.chrisrichardson.eventstorestore.javaexamples.testutil.AbstractEntityEventTest;
public class AccountEventTest extends AbstractEntityEventTest {
@Override
protected Class<Account> entityClass() {
return Account.class;
}
}

27
java-spring/accounts-command-side-backend/src/test/java/net/chrisrichardson/eventstore/javaexamples/banking/backend/commandside/accounts/AccountTest.java Normal file
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package net.chrisrichardson.eventstore.javaexamples.banking.backend.commandside.accounts;
import net.chrisrichardson.eventstore.CommandProcessingAggregates;
import net.chrisrichardson.eventstore.Event;
import net.chrisrichardson.eventstore.javaexamples.banking.backend.common.accounts.AccountOpenedEvent;
import org.junit.Assert;
import org.junit.Test;
import java.math.BigDecimal;
import java.util.List;
public class AccountTest {
@Test
public void testSomething() {
Account account = new Account();
BigDecimal initialBalance = new BigDecimal(512);
List<Event> events = CommandProcessingAggregates.processToList(account, (AccountCommand)new OpenAccountCommand(initialBalance));
Assert.assertEquals(1, events.size());
Assert.assertEquals(AccountOpenedEvent.class, events.get(0).getClass());
account.applyEvent(events.get(0));
Assert.assertEquals(initialBalance, account.getBalance());
}
}