Asset Association

associateasset.groovy

/**
 * Script to run from a rule, associates the device running the rule to the provided model/serialnumber
 */
import com.axeda.drm.sdk.Context
import com.axeda.drm.sdk.device.*
import com.axeda.drm.sdk.m2m.*

try {
  Context ctx = Context.create()
  // get the parameters
  String serialNumber = parameters.serialNumber
  String modelname = parameters.model
  //logger.info "serial ${serialNumber} and model ${modelname}"

  // find the model by name
  ModelFinder modelFinder = new ModelFinder(ctx)
  modelFinder.setName modelname
  Model model = modelFinder.find()

  // get this asset
  Device asset = getAsset(ctx, serialNumber, model)
  //logger.info "asset ${asset.name} ${asset.model.name}"

  // associate the asset to this one
  DeviceAssociation da = associateAsset(ctx, context.device, asset)

} catch (Exception e) {
    logger.error e.message
}

return true


// gets an existing asset, or creates it if needed
def Device getAsset(Context ctx, String serial, Model model)
{
  Device asset = null
  try
  {
    if(model==null)
      return null;
    DeviceFinder deviceFinder = new DeviceFinder(ctx)
    deviceFinder.setModel model
    deviceFinder.setSerialNumber serial
    asset = deviceFinder.find()
    if (asset ==null)
    {
      asset = new Device(ctx, serial, model)
      asset?.store()
    }
  }
  catch (Exception e)
  {
    logger.error e.message
  }
  return asset;
}

// ==================
def DeviceAssociation associateAsset(Context ctx, Device source, Device destination)
{
  //logger.info "associateAsset ${source} to ${destination}"
  DeviceAssociation da = null
  try
  {
    da = new DeviceAssociation(ctx, source.id, destination.id)
    da.store()
  }
  catch (Exception e)
  {
    logger.error e.message
  }
  return da
}