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new 62753a4 CAMEL-15054: camel-endpointdsl - Static imports should be on
a single class. More update to endpoint-dsl docs
62753a4 is described below
commit 62753a472a766bbc0e780c87883a80387829fe95
Author: Claus Ibsen <[email protected]>
AuthorDate: Fri May 15 10:48:38 2020 +0200
CAMEL-15054: camel-endpointdsl - Static imports should be on a single
class. More update to endpoint-dsl docs
---
.../modules/ROOT/pages/Endpoint-dsl.adoc | 40 ++++++++++++++++++++++
1 file changed, 40 insertions(+)
diff --git a/docs/user-manual/modules/ROOT/pages/Endpoint-dsl.adoc
b/docs/user-manual/modules/ROOT/pages/Endpoint-dsl.adoc
index 3622848..b351360 100644
--- a/docs/user-manual/modules/ROOT/pages/Endpoint-dsl.adoc
+++ b/docs/user-manual/modules/ROOT/pages/Endpoint-dsl.adoc
@@ -95,6 +95,46 @@ Endpoint mqtt =
paho("sensor").clientId("myClient").userName("scott").password("
You can then set all the options via the type-safe DSL and then the endpoint
can be resolved (created)
by calling `resolve` with `CamelContext` as parameter.
+If you want to inject an endpoint into your POJO or `RouteBuilder` class using
endpoint-dsl, then
+this can be done similar to the previous example, but with one important
difference:
+
+[source,java]
+----
+import org.apache.camel.BindToRegistry;
+import org.apache.camel.EndpointInject;
+import org.apache.camel.Produce;
+import org.apache.camel.builder.EndpointProducerBuilder;
+import static org.apache.camel.builder.endpoint.StaticEndpointBuilders.paho;
+
+@BindToRegistry
+public class MyPojo {
+
+ @Produce
+ private FluentProducerTemplate producer;
+
+ private final EndpointProducerBuilder mqtt =
paho("sensor").clientId("myClient").userName("scott").password("tiger");
+
+ public void sendToSensor(String data) {
+ producer.withBody(data).to(mqtt).send();
+ }
+
+}
+----
+
+The `MyPojo` is a class that with standalone Camel can be discovered and
registered with the `@BindToRegistry` annotation.
+If you use Spring Boot, CDI, or Quarkus etc then you should use their kind of
annotations for this.
+
+That's not the point of this example, it is the Endpoint DSL to configure the
MQTT endpoint (camel-paho).
+The endpoint is configured the same way as before by the type-safe
endpoint-dsl by static importing the `paho`,
+and then use its fluent builder methods to configure. Notice how the returned
type is `EndpointProducerBuilder`.
+That type is not an `Endpoint` instance as its not resolved (eg its only a
builder for an endpoint).
+This means that the builder can be code and compiled before `CamelContext` is
created and started.
+
+At runtime we want to use this endpoint to send messages to MQTT server; this
is done in the `sendToSensor`
+method where we are using `FluentProducerTemplate` that is capable of using
the `EndpointProducerBuilder` as
+the endpoint in shown with: `.to(mqtt)`.
+
+
== How to use
The DSL can be accessed in several ways, but the main one is to switch to
using an `EndpointRouteBuilder` instead of the usual
