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FHIR Example - Spring Boot

Introduction

This is an example application of the camel-fhir component. We’ll be using camel-spring-boot as well for an easy setup.

The Camel route is located in the MyCamelRouter class.

This example will read HL7V2 patients from a directory and convert them to FHIR R4 patients and upload them to a configured FHIR server.

The example installs hapiproject/hapi:v4.2.0 docker image as local FHIR server

By default, the example uses http://localhost:8081/fhir as the FHIR server URL, R4 as the FHIR version and target/work/fhir/input as the directory to look for HL7V2 patients. However, you can edit the application.properties file to override the defaults and provide your own configuration.

There is an example of a test in the MyCamelApplicationTest class, which mocks out the FHIR server, thus can be run without the FHIR server.

Build

You can build this example using:

mvn package

Run

Before running your application execute this command to deploy FHIR server:

docker run -p 8081:8080 -e hapi.fhir.fhir_version=R4 -e hapi.fhir.reuse_cached_search_results_millis=-1 hapiproject/hapi:v6.8.3

Then you can run this example using:

mvn spring-boot:run

When the Camel application runs, you should see a folder created under target/work/fhir/input. Copy the file hl7v2.patient located in the src/main/data folder into it. You should see the following output:

[source,text

2018-07-24 11:52:51.615  INFO 30666 --- [work/fhir/input] fhir-example: Converting hl7v2.patient
2018-07-24 11:52:52.700  INFO 30666 --- [work/fhir/input] fhir-example: Inserting Patient: {"resourceType":"Patient","id":"100005056","name":[{"family":"Freeman","given":["Vincent"]}]}
2018-07-24 11:52:56.995  INFO 30666 --- [ #2 - CamelFhir] fhir-example: Patient created successfully: ca.uhn.fhir.rest.api.MethodOutcome@270f03f1

The Camel application can be stopped pressing kbd:[Ctrl+c] in the shell.

To get health check

To show a summary of spring boot health check

curl -XGET -s http://localhost:8080/actuator/health

Help and contributions

If you hit any problem using Camel or have some feedback, then please let us know.

We also love contributors, so get involved :-)

The Camel riders!