/// <summary>
/// Gets the device informations for the given thing id.
/// First the cached devices data is queried. If no device info for the given uid was found, a web request is executed to get the latest device data.
/// </summary>
/// <param name="thingId">thing id</param>
/// <param name="handleDeviceInfo">the callback method</param>
public void GetDeviceInfo(string thingId, Action <DeviceInfo> handleDeviceInfo)
{
DeviceInfo outValue = null;
if (!DeviceInfos.TryGetValue(thingId, out outValue))
{
StartCoroutine(RequestAllThings(thingId, handleDeviceInfo));
}
else
{
handleDeviceInfo(outValue);
}
}
private void InstantiateExisitingDevices()
{
if (initializedExisitingDevices)
{
return;
}
initializedExisitingDevices = true;
if (WorldAnchorManager.IsInitialized)
{
foreach (string anchorId in WorldAnchorManager.Instance.AnchorStore.GetAllIds())
{
DeviceInfo info = null;
DeviceInfos.TryGetValue(anchorId, out info);
if (info == null)
{
Debug.LogErrorFormat("device with anchor id '{0}' not found\n removing from AnchorManager...", anchorId);
if (WorldAnchorManager.IsInitialized)
{
WorldAnchorManager.Instance.RemoveAnchor(anchorId);
}
}
else
{
DeviceSpawner.Instance.SpawnDevice(anchorId, e =>
{
if (e != null)
{
Debug.LogFormat("spawned exisiting device with id '{0}'", anchorId);
}
else
{
Debug.LogErrorFormat("failed to spawn exisiting device with anchor id '{0}'\n removing from AnchorManager...", anchorId);
if (WorldAnchorManager.IsInitialized)
{
WorldAnchorManager.Instance.RemoveAnchor(anchorId);
}
}
});
}
}
}
}
/// <summary>
/// Requests all things data from th SAL. If thingUid and callback action added, the callback is called with the device data.
/// </summary>
private IEnumerator RequestAllThings(string thingUid = null, Action <DeviceInfo> handleDeviceInfo = null)
{
var request = new AllThingsRequest(openhabUri, HandleAllThingsData);
yield return(request.ExecuteRequest());
if (thingUid != null)
{
DeviceInfo outInfo = null;
if (!DeviceInfos.TryGetValue(thingUid, out outInfo))
{
Debug.LogErrorFormat("device info not found for uid '{0}'", thingUid);
}
handleDeviceInfo?.Invoke(outInfo);
}
//instantiate devices, which have an anchor stored on the hololens
InstantiateExisitingDevices();
}