Spring Boot Eventuate Example

Simple example of how to use eventuate with Spring Boot.

This project consists of a couple of sub projects:

events-model

This project contains the shared events model for every event source service.

spring-boot-complaint-store

This is a Spring Boot service running on port 8080. It emits ComplaintCreated events and makes the them accessible using a simple REST API:

Creating a new complaint

Request:

POST localhost:8080 {"company":"Accme", "description":"I am missing my [esc] key"}

Response:

{"id" : "69c13e8d-7c97-488e-afe1-b8377e8b3681", "company":"Acme", "description":"I am missing my [esc] key"}

Finding all complaints

Request:

GET  localhost:8080

Response:

[
    {
        "id" : "69c13e8d-7c97-488e-afe1-b8377e8b3681",
        "company" : "Accme",
        "description" : "I am missing my [esc] key"}
    },
    {
        "id" : "c4d3367e-596b-43a4-ba0a-ae91f78641d1",
        "company" : "Black Hole",
        "description" : "Everything is so dark"
     }
]

Finding a single complaint by id

Request:

GET  localhost:8080/69c13e8d-7c97-488e-afe1-b8377e8b3681

Response:

{
    "id" : "69c13e8d-7c97-488e-afe1-b8377e8b3681",
    "company":"Accme",
    "description":"I am missing my [esc] key"
}

spring-boot-complaint-metrics

This is a Spring Boot service running on port 8081. It consumes ComplaintCreated events and calculates a simple metric on how many complaints exist for every given company and makes the metric accessible using a simple REST API:

Getting the metrics

Request:

GET  localhost:8081

Response:

{
    "Accme" : 1,
    "Black Hole" : 1
}