update springboot camel sample (#618)

Signed-off-by: Tihomir Surdilovic <[email protected]>

springboot/src/main/java/io/temporal/samples/springboot/camel/CamelRoutes.java

@@ -29,6 +29,7 @@
 public class CamelRoutes extends RouteBuilder {
 
   @Autowired private WorkflowClient workflowClient;
+  @Autowired OrderRepository repository;
 
   @Override
   public void configure() {
@@ -47,5 +48,13 @@ public void configure() {
               exchange.getIn().setBody(workflow.start());
             })
         .end();
+
+    from("direct:findAllOrders")
+        .routeId("direct-findAllOrders")
+        .process(
+            exchange -> {
+              exchange.getIn().setBody(repository.findAll());
+            })
+        .end();
   }
 }

springboot/src/main/java/io/temporal/samples/springboot/camel/OrderActivityImpl.java

@@ -21,17 +21,22 @@
 
 import io.temporal.spring.boot.ActivityImpl;
 import java.util.List;
+import org.apache.camel.ProducerTemplate;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
 @Component
 @ActivityImpl(taskQueues = "CamelSampleTaskQueue")
 public class OrderActivityImpl implements OrderActivity {
 
-  @Autowired OrderRepository repository;
+  @Autowired private ProducerTemplate producerTemplate;
 
   @Override
   public List<OfficeOrder> getOrders() {
-    return repository.findAll();
+    producerTemplate.start();
+    List<OfficeOrder> orders =
+        producerTemplate.requestBody("direct:findAllOrders", null, List.class);
+    producerTemplate.stop();
+    return orders;
   }
 }

springboot/src/main/java/io/temporal/samples/springboot/camel/README.md

@@ -8,5 +8,5 @@
 
        http://localhost:3030/orders
 
-This sample starts an Apache Camel route which runs our orders Workflow. 
-Results of the workflow are returned by the Camel route
+This sample starts an Apache Camel route which starts our orders Workflow.
+The workflow starts an activity which starts Camel route to get all orders JPA.