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MessageCallback Interface

  • Reference
Package:
com.microsoft.azure.sdk.iot.device
Maven Artifact:
com.microsoft.azure.sdk.iot:iot-device-client:1.30.1

public interface MessageCallback

An interface for an IoT Hub message callback.

The developer is expected to create an implementation of this interface, and the transport will call execute(Message message, Object callbackContext) upon receiving a message from an IoT Hub.

Method Summary

Modifier and Type Method and Description
abstract IotHubMessageResult execute(Message message, Object callbackContext)

Executes the callback.

Method Details

execute

public abstract IotHubMessageResult execute(Message message, Object callbackContext)

Executes the callback. The callback should return a response that instructs an IoT Hub to complete, abandon, or reject the message.

Parameters:

message - the message.
callbackContext - a custom context given by the developer.

Returns:

whether the IoT Hub should complete, abandon, or reject the message.

Applies to