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https://github.com/apache/incubator-kie-kogito-examples
Kogito examples - Kogito is a cloud-native business automation technology for building cloud-ready business applications.
https://github.com/apache/incubator-kie-kogito-examples
bpm bpmn cloud-native cmmn dmn hacktoberfest java knative kogito quarkus rules-engine serverless-workflow spring-boot workflow workflow-engine
Last synced: about 1 month ago
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Kogito examples - Kogito is a cloud-native business automation technology for building cloud-ready business applications.
- Host: GitHub
- URL: https://github.com/apache/incubator-kie-kogito-examples
- Owner: apache
- Created: 2019-03-07T09:33:22.000Z (over 5 years ago)
- Default Branch: stable
- Last Pushed: 2024-05-20T12:55:42.000Z (6 months ago)
- Last Synced: 2024-05-21T07:20:59.440Z (6 months ago)
- Topics: bpm, bpmn, cloud-native, cmmn, dmn, hacktoberfest, java, knative, kogito, quarkus, rules-engine, serverless-workflow, spring-boot, workflow, workflow-engine
- Language: Java
- Homepage: http://kogito.kie.org
- Size: 45 MB
- Stars: 254
- Watchers: 49
- Forks: 366
- Open Issues: 45
-
Metadata Files:
- Readme: README.md
- License: licensesheader.txt
Awesome Lists containing this project
README
# Kogito Examples
This module contains a number of examples that you can take a look at and try out yourself. Please take a look at the readme of each individual example for more details on how the example works and how to run it yourself (either locally or on Kubernetes).
Since Kogito aims at supporting both Quarkus and Spring Boot each example usually provides both type of projects.
- Default branch is `stable`, pointing to the latest released version.
- **[You can also check all versions by looking at releases.](https://github.com/kiegroup/kogito-examples/releases/latest)**
## Use alternative Quarkus platforms
The Quarkus quickstarts by default currently use the Quarkus core BOM.
If you want to use an alternative BOM when building the Quarkus quickstarts you can override the `quarkus.platform.*` properties. The following example shows how to set `quarkus.platform.artifact-id` to use the quarkus-universe-bom.
```
mvn -Dquarkus.platform.artifact-id=quarkus-universe-bom clean install
```
Because the Kogito project is part of the Quarkus Platform, the same applies also to Kogito BOM being used.
By default `org.kie.kogito:kogito-bom` is used, but, when needed, this can be overridden using Maven properties:
* `kogito.bom.*` for Kogito BOM overrides
The properties defined in each of the modules and can be overridden as follows:
* Kogito BOM
```
mvn -Dkogito.bom.group-id=io.quarkus.platform -Dkogito.bom.artifact-id=quarkus-kogito-bom -Dkogito.bom.version=2.2.3.Final
```
> Note: It's important to keep BOM versions aligned when overriding. In case of Quarkus Platform this means using a single
> version value for all two (`quarkus.platform.version`, `kogito.bom.version`) properties.
## Contribution
Everyone is encouraged to contribute to these examples by
* trying it out and providing feedback and ideas for improvement
* create new examples -- **in this case, make sure your PR is against the `main` branch!**
* blogging about it
* using it on conferences and workshops
## Process hello world with scripts
shows most basic use of processes to build up a hello world example
* [on Quarkus](kogito-quarkus-examples/process-scripts-quarkus)
* [on Spring Boot](kogito-springboot-examples/process-scripts-springboot)
## Process with business rules
shows integration between processes and rules.
* [on Quarkus](kogito-quarkus-examples/process-business-rules-quarkus)
* [on Spring Boot](kogito-springboot-examples/process-business-rules-springboot)
## Process with Kafka
shows how message start and end events can be easily used to integrate with Apache Kafka to consume where
message name is the Kafka topic and the payload is mapped to process variable. Uses custom types
that are serialized into JSON.
* [on Quarkus](kogito-quarkus-examples/process-kafka-quickstart-quarkus)
* [on Spring Boot](kogito-springboot-examples/process-kafka-quickstart-springboot)
## Process with Infinispan persistence
shows long running processes with Infinispan persistence so the state of process instances can
be preserved across service restarts.
* [on Quarkus](kogito-quarkus-examples/process-infinispan-persistence-quarkus)
* [on Spring Boot](kogito-springboot-examples/process-infinispan-persistence-springboot)
## Process with service invocation
shows how easy it is to use local services to be invoked from within process. Allows easy and readable
service invocation use cases to be covered.
* [on Quarkus](kogito-quarkus-examples/process-service-calls-quarkus)
* [on Spring Boot](kogito-springboot-examples/process-service-calls-springboot)
## Process with REST call
shows REST service invocation and parsing data back to an object instance used as process variable.
* [on Quarkus](kogito-quarkus-examples/process-rest-service-call-quarkus)
* [on Spring Boot](kogito-springboot-examples/process-rest-service-call-springboot)
## Process with user tasks
shows user task interactions with four eye principle applied
* [on Quarkus](kogito-quarkus-examples/process-usertasks-quarkus)
* [on Spring Boot](kogito-springboot-examples/process-usertasks-springboot)
## Process with user tasks based on custom life cycle
shows user task interactions with four eye principle applied that supports custom life cycle that allows to
add additional phases to user tasks to indicate other states.
* [on Quarkus](kogito-quarkus-examples/process-usertasks-custom-lifecycle-quarkus)
* [on Spring Boot](kogito-springboot-examples/process-usertasks-custom-lifecycle-springboot)
## Process with user tasks with security on REST api
shows user task interactions with four eye principle applied with security restrictions on REST api.
* [on Quarkus](kogito-quarkus-examples/process-usertasks-with-security-quarkus)
* [on Spring Boot](kogito-springboot-examples/process-usertasks-with-security-springboot)
## Process with timers
shows timers (intermediate and boundary) that allows to introduce delays in process execution
* [on Quarkus](kogito-quarkus-examples/process-timer-quarkus)
* [on Spring Boot](kogito-springboot-examples/process-timer-springboot)
## Serverless Workflow Getting Started
A Serverless Workflow greeting service with both JSON and YAML workflow definitions
* [on Quarkus](serverless-workflow-examples/serverless-workflow-greeting-quarkus)
## Serverless Workflow with events
A Serverless Workflow service for processing job applicant approvals and that showcases event-driven services.
* [on Quarkus](serverless-workflow-examples/serverless-workflow-events-quarkus)
## Serverless Workflow with service calls
A Serverless Workflow service for returning country information
* [on Quarkus](serverless-workflow-examples/serverless-workflow-service-calls-quarkus)
## Serverless Workflow GitHub showcase
A Serverless Workflow service that works as a Github bot application, which reacts upon a new PR being opened in a given GitHub project.
* [on Quarkus](serverless-workflow-examples/serverless-workflow-github-showcase)
## Other Misc Examples
- Onboarding example combining 1 process and two decision services: see [README.md](kogito-quarkus-examples/onboarding-example/README.md)
- Rules on Quarkus: see [README.md](kogito-quarkus-examples/rules-quarkus-helloworld/README.md)
- Rules on Quarkus with Unit: see [README.md](kogito-quarkus-examples/ruleunit-quarkus-example/README.md)
- Process on Quarkus: see [README.md](kogito-quarkus-examples/process-quarkus-example/README.md)
- Process on Spring Boot: see [README.md](kogito-springboot-examples/process-springboot-example/README.md)
- Trusty on Quarkus: see [README.md](kogito-quarkus-examples/trusty-demonstration/README.md)
- Trusty on Quarkus (DevUI integration): see [README.md](kogito-quarkus-examples/trusty-tracing-devservices/README.md)
## Trying the examples with the Kogito Operator
Most examples have a directory named `operator` including the YAML files to deploy it using the Kogito Operator in an OpenShift cluster.
Please refer to the [Kogito Documentation](https://docs.jboss.org/kogito/release/latest/html_single/#chap_kogito-deploying-on-openshift)
of how to install the operator to your environment in order to try it there.
## Getting Help
### Issues
- Do you have a [minimal, reproducible example](https://stackoverflow.com/help/minimal-reproducible-example) for your issue?
- If so, please open a Jira for it in the [Kogito project](https://issues.redhat.com/projects/KOGITO/summary) with the details of your issue and example.
- Are you encountering an issue but unsure of what is going on?
- Start a new conversation in the Kogito [Google Group](https://groups.google.com/g/kogito-development), or open a new thread in the [Kogito stream](https://kie.zulipchat.com/#narrow/stream/232676-kogito) of the KIE Zulip chat.
- Please provide as much relevant information as you can as to what could be causing the issue, and our developers will help you figure out what's going wrong.
### Requests
- Do you have a feature/enhancement request?
- Please open a new thread in the [Kogito stream](https://kie.zulipchat.com/#narrow/stream/232676-kogito) of the KIE Zulip chat to start a discussion there.