kevintich / bank-account-axon

Example of an application that manages a bank account with Axon framework - CQRS - Event Sourcing - Saga

Bank Account - Axon

Example of an application that manages a bank account.
This an example of an event-driven application, implementing patterns as event sourcing, cqrs, saga.

Events sent to the event bus and to the event bus are persisted to an Apache Kafka topic called "axon-test"..

Simple bank accounts commands/events are sent using Axon Framework; the events provided are:

• create account
• close account
• deposit
• withdrawal

Events are aggregated using the AccountAggregate class.

When a bank account is going to be closed, this is managed using a saga; an implementation of a saga pattern is realized using the CloseAccountSaga class.

The close account event is sent by a simulated external service.

Prerequisites

Make sure you have an Apache Kafka broker running on localhost:9092 and a topic called "axon-test"

Compile and execute test

  mvn clean install

Run a sample deposit/withdrawal simulation

  mvn clean install && mvn exec:java -Dexec.mainClass="org.hifly.axon.bank.account.BankAccountApp"

Run a close account simulation

  mvn clean install && mvn exec:java -Dexec.mainClass="org.hifly.axon.bank.account.CloseAccountApp"