Issue #852: review: added missing "." at end of sentence of weak ack …

…payload

* added missing "@SInCE" javadoc annotations to new public methods in Acknowledgement

Signed-off-by: Thomas Jaeckle <thomas.jaeckle@bosch.io>

services/utils/pubsub/src/main/java/org/eclipse/ditto/services/utils/pubsub/extractors/AckExtractor.java

@@ -135,7 +135,7 @@ static Acknowledgement weakAck(final AcknowledgementLabel label,
         final JsonValue payload = JsonValue.of("Acknowledgement was issued automatically as weak ack, " +
                 "because the signal is not relevant for the subscriber. Possible reasons are: " +
                 "the subscriber was not authorized, " +
-                "or the subscriber did not subscribe for the signal type");
+                "or the subscriber did not subscribe for the signal type.");
         return Acknowledgement.weak(label, entityId, dittoHeaders, payload);
     }
 

signals/acks/base/src/main/java/org/eclipse/ditto/signals/acks/base/Acknowledgement.java

@@ -88,6 +88,7 @@ static Acknowledgement of(final AcknowledgementLabel label,
      * @param payload the optional payload of the Acknowledgement.
      * @return the Acknowledgement.
      * @throws NullPointerException if one of the required parameters was {@code null}.
+     * @since 1.5.0
      */
     static Acknowledgement weak(final AcknowledgementLabel label,
             final EntityIdWithType entityId,
@@ -139,6 +140,7 @@ static Acknowledgement of(final AcknowledgementLabel label,
      * acknowledgement with this  {@link #getLabel()}, but was for some reason not allowed to receive the signal.
      *
      * @return true if this is a weak acknowledgement, false otherwise.
+     * @since 1.5.0
      */
     boolean isWeak();