Merge branch 'master' into dev_jib

devonfw · Mar 5, 2021 · fdc44d3 · fdc44d3
2 parents 814cd10 + c362e30
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diff --git a/documentation/guide-dataaccess-layer.asciidoc b/documentation/guide-dataaccess-layer.asciidoc
@@ -3,7 +3,7 @@ toc::[]
 
 = Data-Access Layer
 
-The data-access layer is responsible for all outgoing connections to access and process data. This is mainly about accessing data from a persistent data-store but also about invoking external services.
+The data-access layer is responsible for all outgoing connections to access and process data. This is mainly about accessing data from a persistent data-store. External system could also be accessed from the data-access layer if they match this definition, e.g. a mongo-db via rest services.
 
 == Database
 

diff --git a/documentation/guide-jms.asciidoc b/documentation/guide-jms.asciidoc
@@ -43,4 +43,8 @@ public class BookingJmsListener /* implements MessageListener */ {
 ----
 
 == Sender
-A sender of messages is writing to a data storage and hence is located in the link:guide-dataaccess-layer.asciidoc[dataaccess-layer].
+
+The sending of JMS messages is considered as any other sending of data like link:guide-kafka.asciidoc[kafka] messages or RPC calls via link:guide-rest.asciidoc[REST] using link:guide-service-client.asciidoc[service-client], gRPC, etc.
+This will typically happen directly from a link:guide-usecase.asciidoc[use-case] in the link:guide-logic-layer.asciidoc[logic-layer].
+However, the technical complexity of the communication and protocols itself shall be hidden from the use-case and not be part of the logic layer.
+With spring we can simply use https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/jms/core/JmsTemplate.html[JmsTemplate] to do that.
diff --git a/documentation/guide-logic-layer.asciidoc b/documentation/guide-logic-layer.asciidoc
@@ -11,7 +11,7 @@ It is very important that you follow the links to understand the concept of comp
 
 == Responsibility
 The logic layer is responsible to implement the business logic according to the specified functional demands and requirements.
-Therefore, it creates the actual value of the application.
+Therefore, it creates the actual value of the application. The logic layer is responsible for invoking business logic in external systems.
 The following additional aspects are also included in its responsibility:
 
 * link:guide-validation.asciidoc[validation]