nicolaferraro commented on issue #2117:
URL: https://github.com/apache/camel-k/issues/2117#issuecomment-797350177
The route template part (i.e. the part that can use the property
placeholders) in each Kamelet is a YAML flow, but a Kamelet can also hand-off
processing to routes written in any of the other supported languages. E.g.
```yaml
apiVersion: camel.apache.org/v1alpha1
kind: Kamelet
metadata:
name: java
labels:
camel.apache.org/kamelet.type: "source"
spec:
sources:
- content: |
// camel-k: language=java
import org.apache.camel.builder.RouteBuilder;
public class Source extends RouteBuilder {
@Override
public void configure() throws Exception {
from("direct:java")
.setBody().exchangeProperty("prop1")
.log("Prop is ${body}");
}
}
name: Source.java
definition:
title: "Example of Kamelet with Java"
description: "Passes data to Java"
properties:
prop1:
title: Property 1
description: A property
type: string
default: "The value"
flow:
# The template is always YAML, but it can pass work to Java
from:
uri: timer:tick
steps:
- set-property:
name: "prop1"
constant: "{{prop1}}"
- to: "direct:java"
- to: "kamelet:sink"
```
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