Examples with DigitalTwinUpdateRequestOptions com.microsoft.azure.sdk.iot.service.digitaltwin.models.DigitalTwinUpdateRequestOptions used on opensource projects

Example 1 with DigitalTwinUpdateRequestOptions

use of com.microsoft.azure.sdk.iot.service.digitaltwin.models.DigitalTwinUpdateRequestOptions in project azure-iot-sdk-java by Azure.

the class DigitalTwinClientTests method updateDigitalTwin.

@Test
@StandardTierHubOnlyTest
public void updateDigitalTwin() throws IOException {
    // arrange
    String newProperty = "currentTemperature";
    String newPropertyPath = "/currentTemperature";
    Integer newPropertyValue = 35;
    // Property update callback
    TwinPropertyCallBack twinPropertyCallBack = (property, context) -> {
        Set<Property> properties = new HashSet<>();
        properties.add(property);
        try {
            deviceClient.sendReportedProperties(properties);
        } catch (IOException e) {
        }
    };
    // IotHub event callback
    IotHubEventCallback iotHubEventCallback = (responseStatus, callbackContext) -> {
    };
    // start device twin and setup handler for property updates in device
    deviceClient.startDeviceTwin(iotHubEventCallback, null, twinPropertyCallBack, null);
    Map<Property, Pair<TwinPropertyCallBack, Object>> desiredPropertyUpdateCallback = Collections.singletonMap(new Property(newProperty, null), new Pair<>(twinPropertyCallBack, null));
    deviceClient.subscribeToTwinDesiredProperties(desiredPropertyUpdateCallback);
    DigitalTwinUpdateRequestOptions optionsWithoutEtag = new DigitalTwinUpdateRequestOptions();
    optionsWithoutEtag.setIfMatch("*");
    // get digital twin and Etag before update
    ServiceResponseWithHeaders<BasicDigitalTwin, DigitalTwinGetHeaders> responseWithHeaders = digitalTwinClient.getDigitalTwinWithResponse(deviceId, BasicDigitalTwin.class);
    DigitalTwinUpdateRequestOptions optionsWithEtag = new DigitalTwinUpdateRequestOptions();
    optionsWithEtag.setIfMatch(responseWithHeaders.headers().eTag());
    // act
    // Add properties at root level - conditional update with max overload
    UpdateOperationUtility updateOperationUtility = new UpdateOperationUtility().appendAddPropertyOperation(newPropertyPath, newPropertyValue);
    digitalTwinClient.updateDigitalTwinWithResponse(deviceId, updateOperationUtility.getUpdateOperations(), optionsWithEtag);
    BasicDigitalTwin digitalTwin = digitalTwinClient.getDigitalTwinWithResponse(deviceId, BasicDigitalTwin.class).body();
    // assert
    assertEquals(E2ETestConstants.THERMOSTAT_MODEL_ID, digitalTwin.getMetadata().getModelId());
    assertTrue(digitalTwin.getMetadata().getWriteableProperties().containsKey(newProperty));
    assertEquals(newPropertyValue, digitalTwin.getMetadata().getWriteableProperties().get(newProperty).getDesiredValue());
}