Ratpack, RxJava, MongoDB and JDBC integration

An example application showing how to integrate Ratpack HTTP server, RxJava, MongoDB and JDBC, and how to work with a non-blocking I/O.

Building and running

You need:

• Java 1.8
• Gradle (wrapper available)
• MongoDB local installation

For JDBC, the example uses embedded HSQLDB.

Build the code:

$ ./gradlew :build

Run it:

$ ./gradlew run

The REST API will start at http://localhost:5050.

Using the API

Get all the articles from MongoDB database - fully reactive example:

GET /mongo/articles

Insert new articles into MongoDB database - fully reactive example:

POST /mongo/articles
[
   {
      "id": 1,
      "title": "Foo",
      "content": "Lorem ipsum..."
      "references": [
         "http://www.example.com"
      ]
   },
   {
      "id": 2,
      "title": "Bar",
      "content": "Lorem ipsum..."
      "references": [
         "http://www.example.com"
      ]
   }
]

Get all the articles from a relational database - mix of a reactive and blocking code:

GET /relational/articles

Insert new articles into a relational database - mix of a reactive and blocking code:

POST /relational/articles
[
   {
      "id": 1,
      "title": "Foo",
      "content": "Lorem ipsum..."
      "references": [
         "http://www.example.com"
      ]
   },
   {
      "id": 2,
      "title": "Bar",
      "content": "Lorem ipsum..."
      "references": [
         "http://www.example.com"
      ]
   }
]

License

The code is available under the MIT license.

Author: Tomasz Jędrzejewski (www.zyxist.com)