Feat(client): Add Telemetry APIs

sdk/digitaltwins/azure-digitaltwins-core/src/main/java/com/azure/digitaltwins/core/DigitalTwinsAsyncClient.java

@@ -937,6 +937,7 @@ PagedFlux<String> listRelationships(String digitalTwinId, String relationshipNam
      * @param modelId The Id of the model to decommission.
      * @return an empty Mono
      */
+    @ServiceMethod(returns = ReturnType.SINGLE)
     public Mono<Void> decommissionModel(String modelId) {
         return decommissionModelWithResponse(modelId)
             .flatMap(voidResponse -> Mono.empty());
@@ -947,6 +948,7 @@ public Mono<Void> decommissionModel(String modelId) {
      * @param modelId The Id of the model to decommission.
      * @return The http response.
      */
+    @ServiceMethod(returns = ReturnType.SINGLE)
     public Mono<Response<Void>> decommissionModelWithResponse(String modelId) {
         return withContext(context -> decommissionModelWithResponse(modelId, context));
     }
@@ -1338,4 +1340,106 @@ Mono<PagedResponse<EventRoute>> listEventRoutesNextPage(String nextLink, Context
     }
 
     //endregion Event Route APIs
+
+    //region Telemetry APIs
+
+    /**
+     * Publishes telemetry from a digital twin
+     * The result is then consumed by one or many destination endpoints (subscribers) defined under {@link EventRoute}
+     * These event routes need to be set before publishing a telemetry message, in order for the telemetry message to be consumed.
+     * @param digitalTwinId The Id of the digital twin.
+     * @param payload The application/json telemetry payload to be sent.
+     * @return An empty mono.
+     */
+    @ServiceMethod(returns = ReturnType.SINGLE)
+    public Mono<Void> publishTelemetry(String digitalTwinId, String payload) {
+        PublishTelemetryRequestOptions publishTelemetryRequestOptions = new PublishTelemetryRequestOptions();
+        return withContext(context -> publishTelemetryWithResponse(digitalTwinId, payload, publishTelemetryRequestOptions, context))
+            .flatMap(voidResponse -> Mono.empty());
+    }
+
+    /**
+     * Publishes telemetry from a digital twin
+     * The result is then consumed by one or many destination endpoints (subscribers) defined under {@link EventRoute}
+     * These event routes need to be set before publishing a telemetry message, in order for the telemetry message to be consumed.
+     * @param digitalTwinId The Id of the digital twin.
+     * @param payload The application/json telemetry payload to be sent.
+     * @param publishTelemetryRequestOptions The additional information to be used when processing a telemetry request.
+     * @return A {@link Response} containing an empty mono.
+     */
+    @ServiceMethod(returns = ReturnType.SINGLE)
+    public Mono<Response<Void>> publishTelemetryWithResponse(String digitalTwinId, String payload, PublishTelemetryRequestOptions publishTelemetryRequestOptions) {
+        return withContext(context -> publishTelemetryWithResponse(digitalTwinId, payload, publishTelemetryRequestOptions, context));
+    }
+
+    Mono<Response<Void>> publishTelemetryWithResponse(String digitalTwinId, String payload, PublishTelemetryRequestOptions publishTelemetryRequestOptions, Context context) {
+        Object payloadObject = null;
+        try {
+            payloadObject = mapper.readValue(payload, Object.class);
+        }
+        catch (JsonProcessingException e) {
+            logger.error("Could not parse the payload [%s]: %s", payload, e);
+            return Mono.error(e);
+        }
+
+        return protocolLayer.getDigitalTwins().sendTelemetryWithResponseAsync(
+            digitalTwinId,
+            publishTelemetryRequestOptions.getMessageId(),
+            payloadObject,
+            publishTelemetryRequestOptions.getTimestamp().toString(),
+            context);
+    }
+
+    /**
+     * Publishes telemetry from a digital twin's component
+     * The result is then consumed by one or many destination endpoints (subscribers) defined under {@link EventRoute}
+     * These event routes need to be set before publishing a telemetry message, in order for the telemetry message to be consumed.
+     * @param digitalTwinId The Id of the digital twin.
+     * @param componentName The name of the DTDL component.
+     * @param payload The application/json telemetry payload to be sent.
+     * @return An empty mono.
+     */
+    @ServiceMethod(returns = ReturnType.SINGLE)
+    public Mono<Void> publishComponentTelemetry(String digitalTwinId, String componentName, String payload) {
+        PublishTelemetryRequestOptions publishTelemetryRequestOptions = new PublishTelemetryRequestOptions();
+        return withContext(context -> publishComponentTelemetryWithResponse(digitalTwinId, componentName, payload, publishTelemetryRequestOptions, context))
+            .flatMap(voidResponse -> Mono.empty());
+    }
+
+    /**
+     * Publishes telemetry from a digital twin's component
+     * The result is then consumed by one or many destination endpoints (subscribers) defined under {@link EventRoute}
+     * These event routes need to be set before publishing a telemetry message, in order for the telemetry message to be consumed.
+     * @param digitalTwinId The Id of the digital twin.
+     * @param componentName The name of the DTDL component.
+     * @param payload The application/json telemetry payload to be sent.
+     * @param publishTelemetryRequestOptions The additional information to be used when processing a telemetry request.
+     * @return A {@link Response} containing an empty mono.
+     */
+    @ServiceMethod(returns = ReturnType.SINGLE)
+    public Mono<Response<Void>> publishComponentTelemetryWithResponse(String digitalTwinId, String componentName, String payload, PublishTelemetryRequestOptions publishTelemetryRequestOptions) {
+        return withContext(context -> publishComponentTelemetryWithResponse(digitalTwinId, componentName, payload, publishTelemetryRequestOptions, context));
+    }
+
+    Mono<Response<Void>> publishComponentTelemetryWithResponse(String digitalTwinId, String componentName, String payload, PublishTelemetryRequestOptions publishTelemetryRequestOptions, Context context) {
+
+        Object payloadObject = null;
+        try {
+            payloadObject = mapper.readValue(payload, Object.class);
+        }
+        catch (JsonProcessingException e) {
+            logger.error("Could not parse the payload [%s]: %s", payload, e);
+            return Mono.error(e);
+        }
+
+        return protocolLayer.getDigitalTwins().sendComponentTelemetryWithResponseAsync(
+            digitalTwinId,
+            componentName,
+            publishTelemetryRequestOptions.getMessageId(),
+            payloadObject,
+            publishTelemetryRequestOptions.getTimestamp().toString(),
+            context);
+    }
+
+    //endregion Telemetry APIs
 }

sdk/digitaltwins/azure-digitaltwins-core/src/main/java/com/azure/digitaltwins/core/DigitalTwinsClient.java

@@ -550,6 +550,7 @@ public Response<Void> deleteModelWithResponse(String modelId, Context context) {
      * Decommissions a model.
      * @param modelId The Id of the model to decommission.
      */
+    @ServiceMethod(returns = ReturnType.SINGLE)
     public void decommissionModel(String modelId) {
         decommissionModelWithResponse(modelId, Context.NONE);
     }
@@ -560,6 +561,7 @@ public void decommissionModel(String modelId) {
      * @param context Additional context that is passed through the Http pipeline during the service call.
      * @return The http response.
      */
+    @ServiceMethod(returns = ReturnType.SINGLE)
     public Response<Void> decommissionModelWithResponse(String modelId, Context context) {
         return digitalTwinsAsyncClient.decommissionModelWithResponse(modelId, context).block();
     }
@@ -717,10 +719,11 @@ public void createEventRoute(String eventRouteId, EventRoute eventRoute) {
      * @param eventRouteId The id of the event route to create.
      * @param eventRoute The event route to create.
      * @param context Additional context that is passed through the Http pipeline during the service call.
+     * @return A {@link Response}.
      */
     @ServiceMethod(returns = ReturnType.SINGLE)
-    public void createEventRouteWithResponse(String eventRouteId, EventRoute eventRoute, Context context) {
-        this.digitalTwinsAsyncClient.createEventRouteWithResponse(eventRouteId, eventRoute, context).block();
+    public Response<Void> createEventRouteWithResponse(String eventRouteId, EventRoute eventRoute, Context context) {
+        return this.digitalTwinsAsyncClient.createEventRouteWithResponse(eventRouteId, eventRoute, context).block();
     }
 
     /**
@@ -768,4 +771,66 @@ public PagedIterable<EventRoute> listEventRoutes(EventRoutesListOptions options,
     }
 
     //endregion Event Route APIs
+
+    //region Telemetry APIs
+
+    /**
+     * Publishes telemetry from a digital twin
+     * The result is then consumed by one or many destination endpoints (subscribers) defined under {@link EventRoute}
+     * These event routes need to be set before publishing a telemetry message, in order for the telemetry message to be consumed.
+     * @param digitalTwinId The Id of the digital twin.
+     * @param payload The application/json telemetry payload to be sent.
+     */
+    @ServiceMethod(returns = ReturnType.SINGLE)
+    public void publishTelemetry(String digitalTwinId, String payload) {
+        PublishTelemetryRequestOptions publishTelemetryRequestOptions = new PublishTelemetryRequestOptions();
+        publishTelemetryWithResponse(digitalTwinId, payload, publishTelemetryRequestOptions, Context.NONE);
+    }
+
+    /**
+     * Publishes telemetry from a digital twin
+     * The result is then consumed by one or many destination endpoints (subscribers) defined under {@link EventRoute}
+     * These event routes need to be set before publishing a telemetry message, in order for the telemetry message to be consumed.
+     * @param digitalTwinId The Id of the digital twin.
+     * @param payload The application/json telemetry payload to be sent.
+     * @param publishTelemetryRequestOptions The additional information to be used when processing a telemetry request.
+     * @param context Additional context that is passed through the Http pipeline during the service call.
+     * @return A {@link Response}.
+     */
+    @ServiceMethod(returns = ReturnType.SINGLE)
+    public Response<Void> publishTelemetryWithResponse(String digitalTwinId, String payload, PublishTelemetryRequestOptions publishTelemetryRequestOptions, Context context) {
+        return digitalTwinsAsyncClient.publishTelemetryWithResponse(digitalTwinId, payload, publishTelemetryRequestOptions, context).block();
+    }
+
+    /**
+     * Publishes telemetry from a digital twin's component
+     * The result is then consumed by one or many destination endpoints (subscribers) defined under {@link EventRoute}
+     * These event routes need to be set before publishing a telemetry message, in order for the telemetry message to be consumed.
+     * @param digitalTwinId The Id of the digital twin.
+     * @param componentName The name of the DTDL component.
+     * @param payload The application/json telemetry payload to be sent.
+     */
+    @ServiceMethod(returns = ReturnType.SINGLE)
+    public void publishComponentTelemetry(String digitalTwinId, String componentName, String payload) {
+        PublishTelemetryRequestOptions publishTelemetryRequestOptions = new PublishTelemetryRequestOptions();
+        publishComponentTelemetryWithResponse(digitalTwinId, componentName, payload, publishTelemetryRequestOptions, Context.NONE);
+    }
+
+    /**
+     * Publishes telemetry from a digital twin's component
+     * The result is then consumed by one or many destination endpoints (subscribers) defined under {@link EventRoute}
+     * These event routes need to be set before publishing a telemetry message, in order for the telemetry message to be consumed.
+     * @param digitalTwinId The Id of the digital twin.
+     * @param componentName The name of the DTDL component.
+     * @param payload The application/json telemetry payload to be sent.
+     * @param publishTelemetryRequestOptions The additional information to be used when processing a telemetry request.
+     * @param context Additional context that is passed through the Http pipeline during the service call.
+     * @return A {@link Response}.
+     */
+    @ServiceMethod(returns = ReturnType.SINGLE)
+    public Response<Void> publishComponentTelemetryWithResponse(String digitalTwinId, String componentName, String payload, PublishTelemetryRequestOptions publishTelemetryRequestOptions, Context context) {
+        return digitalTwinsAsyncClient.publishComponentTelemetryWithResponse(digitalTwinId, componentName, payload, publishTelemetryRequestOptions, context).block();
+    }
+
+    //endregion TelemetryAPIs
 }

sdk/digitaltwins/azure-digitaltwins-core/src/main/java/com/azure/digitaltwins/core/util/PublishTelemetryRequestOptions.java

@@ -0,0 +1,62 @@
+package com.azure.digitaltwins.core.util;
+
+import com.azure.core.annotation.Fluent;
+
+import java.time.OffsetDateTime;
+import java.time.ZoneOffset;
+import java.util.UUID;
+
+/**
+ * The additional information to be used when processing a telemetry request.
+ */
+@Fluent
+public final class PublishTelemetryRequestOptions {
+
+    /**
+     * A unique message identifier (within the scope of the digital twin id) that is commonly used for de-duplicating messages.
+     * Defaults to a random guid.
+     */
+    private String messageId = UUID.randomUUID().toString();
+
+    /**
+     * An RFC 3339 timestamp that identifies the time the telemetry was measured.
+     * It defaults to the current date/time UTC.
+     */
+    private OffsetDateTime timestamp = OffsetDateTime.now(ZoneOffset.UTC);
+
+    /**
+     * Gets the message Id.
+     * @return A unique message identifier (within the scope of the digital twin id) that is commonly used for de-duplicating messages.
+     */
+    public String getMessageId() {
+        return this.messageId;
+    }
+
+    /**
+     * Gets the timestamp.
+     * @return The timestamp that identifies the time the telemetry was measured.
+     */
+    public OffsetDateTime getTimestamp() {
+        return this.timestamp;
+    }
+
+    /**
+     * Set the message Id
+     * @param messageId A unique message identifier (within the scope of the digital twin id) that is commonly used for de-duplicating messages.
+     * @return The PublishTelemetryRequestOptions object itself.
+     */
+    public PublishTelemetryRequestOptions setMessageId(String messageId) {
+        this.messageId = messageId;
+        return this;
+    }
+
+    /**
+     * Set the timestamp
+     * @param timestamp The timestamp that identifies the time the telemetry was measured.
+     * @return The PublishTelemetryRequestOptions object itself.
+     */
+    public PublishTelemetryRequestOptions setTimestamp(OffsetDateTime timestamp) {
+        this.timestamp = timestamp;
+        return this;
+    }
+}

sdk/digitaltwins/azure-digitaltwins-core/src/test/java/com/azure/digitaltwins/core/ComponentsAsyncTests.java

@@ -64,7 +64,7 @@ public void componentLifecycleTest(HttpClient httpClient, DigitalTwinsServiceVer
             StepVerifier.create(asyncClient.updateComponentWithResponse(roomWithWifiTwinId, wifiComponentName, TestAssetsHelper.getWifiComponentUpdatePayload(), new UpdateComponentRequestOptions()))
                 .assertNext(updateResponse -> {
                     assertEquals(updateResponse.getStatusCode(), HttpURLConnection.HTTP_NO_CONTENT);
-                    logger.info("Updated component successfully");
+                    logger.info("Updated the component successfully");
                 })
                 .verifyComplete();
         }