private void setDeviceData(DeviceData deviceData) throws Exception {
final String METHOD = "setDeviceData";
if (deviceData == null) {
LoggerUtility.log(
Level.FINE,
CLASS_NAME,
METHOD,
"Could not create Managed Client " + "without DeviceInformations !");
throw new Exception("Could not create Managed Client without DeviceInformations !");
}
String typeId = deviceData.getTypeId();
String deviceId = deviceData.getDeviceId();
if (typeId == null || deviceId == null) {
LoggerUtility.log(
Level.FINE,
CLASS_NAME,
METHOD,
"Could not create Managed Client " + "without Device Type or Device ID!");
throw new Exception(
"Could not create Managed Client without Device Type or Device ID!, "
+ "Please specify the same in DeviceData");
}
this.deviceData = deviceData;
}
/**
* Constructor that creates a ManagedDevice object, but does not connect to IBM IoT Foundation
* connect yet
*
* @param options List of options to connect to IBM IoT Foundation Connect
* @param deviceData The Device Model
* @throws Exception If the essential parameters are not set
*/
public ManagedDevice(Properties options, DeviceData deviceData) throws Exception {
super(options);
final String METHOD = "constructor";
if (deviceData == null) {
LoggerUtility.log(
Level.FINE,
CLASS_NAME,
METHOD,
"Could not create Managed Client " + "without DeviceInformations !");
throw new Exception("Could not create Managed Client without DeviceInformations !");
}
String typeId = this.getDeviceType();
String deviceId = this.getDeviceId();
if (typeId == null || deviceId == null) {
LoggerUtility.log(
Level.FINE,
CLASS_NAME,
METHOD,
"Could not create Managed Client " + "without Device Type or Device ID !");
throw new Exception(
"Could not create Managed Client without Device Type or Device ID!, "
+ "Please specify the same in properties");
}
deviceData.setTypeId(typeId);
deviceData.setDeviceId(deviceId);
this.deviceData = deviceData;
}
/**
* Send a device manage request to IoT Foundation
*
* <p>A device uses this request to become a managed device. It should be the first device
* management request sent by the device after connecting to the Internet of Things Foundation. It
* would be usual for a device management agent to send this whenever is starts or restarts.
*
* <p>This method connects the device to IoT Foundation connect if its not connected already
*
* @param lifetime The length of time in seconds within which the device must send another Manage
* device request. if set to 0, the managed device will not become dormant. When set, the
* minimum supported setting is 3600 (1 hour).
* @return True if successful
* @throws MqttException
*/
public boolean manage(long lifetime) throws MqttException {
final String METHOD = "manage";
LoggerUtility.log(Level.FINE, CLASS_NAME, METHOD, "lifetime value (" + lifetime + ")");
boolean success = false;
DeviceTopic topic = DeviceTopic.MANAGE;
if (!this.isConnected()) {
this.connect();
}
JsonObject jsonPayload = new JsonObject();
if (deviceData.getDeviceInfo() != null || deviceData.getMetadata() != null) {
JsonObject supports = new JsonObject();
supports.add("deviceActions", new JsonPrimitive(this.supportsDeviceActions));
supports.add("firmwareActions", new JsonPrimitive(this.supportsFirmwareActions));
JsonObject data = new JsonObject();
data.add("supports", supports);
if (deviceData.getDeviceInfo() != null) {
data.add("deviceInfo", deviceData.getDeviceInfo().toJsonObject());
}
if (deviceData.getMetadata() != null) {
data.add("metadata", deviceData.getMetadata().getMetadata());
}
data.add("lifetime", new JsonPrimitive(lifetime));
jsonPayload.add("d", data);
} else {
LoggerUtility.log(
Level.SEVERE,
CLASS_NAME,
METHOD,
"Cannot send manage request " + "as either deviceInfo or metadata is not set !!");
return false;
}
JsonObject jsonResponse = sendAndWait(topic, jsonPayload, REGISTER_TIMEOUT_VALUE);
if (jsonResponse != null
&& jsonResponse.get("rc").getAsInt() == ResponseCode.DM_SUCCESS.getCode()) {
DMListener.start(this);
DMRequestHandler.setRequestHandlers(this);
publishQueue = new LinkedBlockingQueue<JsonObject>();
Thread t = new Thread(this);
t.start();
/*
* set the dormant time to a local variable, in case if the connection is
* lost due to n/w interruption, we need to send another manage request
* with the dormant time as the lifetime
*/
if (lifetime > 0) {
Date currentTime = new Date();
dormantTime = new Date(currentTime.getTime() + (lifetime * 1000));
}
success = true;
}
LoggerUtility.log(Level.FINE, CLASS_NAME, METHOD, "Success (" + success + ")");
bManaged = success;
return success;
}