/**
* Create command invocations for an assignment.
*
* @param assignment
* @param date
* @param commands
* @return
* @throws SiteWhereException
*/
protected List<IDeviceCommandInvocation> createDeviceCommandInvocations(
IDeviceAssignment assignment, Date date, List<IDeviceCommand> commands)
throws SiteWhereException {
long current = date.getTime();
List<IDeviceCommandInvocation> invocations = new ArrayList<IDeviceCommandInvocation>();
for (IDeviceCommand command : commands) {
DeviceCommandInvocationCreateRequest request = new DeviceCommandInvocationCreateRequest();
request.setCommandToken(command.getToken());
request.setInitiator(CommandInitiator.REST);
request.setInitiatorId("system");
request.setTarget(CommandTarget.Assignment);
request.setTargetId(assignment.getToken());
request.setStatus(CommandStatus.Pending);
request.setEventDate(new Date(current));
Map<String, String> values = new HashMap<String, String>();
for (ICommandParameter param : command.getParameters()) {
values.put(param.getName(), getSampleValue(param.getType()));
}
request.setParameterValues(values);
invocations.add(
getDeviceManagement()
.addDeviceCommandInvocation(assignment.getToken(), command, request));
current += 30000;
}
return invocations;
}
/**
* Create example state change events.
*
* @param assignment
* @param start
* @return
* @throws SiteWhereException
*/
protected List<IDeviceStateChange> createDeviceStateChanges(
IDeviceAssignment assignment, IDeviceSpecification specification, Date start)
throws SiteWhereException {
List<IDeviceStateChange> stateChanges = new ArrayList<IDeviceStateChange>();
DeviceRegistrationRequest register = new DeviceRegistrationRequest();
register.setHardwareId(assignment.getDeviceHardwareId());
register.setSpecificationToken(specification.getToken());
register.setEventDate(start);
stateChanges.add(getDeviceManagement().addDeviceStateChange(assignment.getToken(), register));
return stateChanges;
}
/**
* Create devices for a site and assign them.
*
* @param site
* @return
* @throws SiteWhereException
*/
public List<DeviceAssignment> createAssignments(
ISite site, Map<String, SpecificationDetails> specMap) throws SiteWhereException {
Date before = new Date(System.currentTimeMillis() - (2 * 60 * 60 * 1000));
List<DeviceAssignment> results = new ArrayList<DeviceAssignment>();
DeviceAssignmentMarshalHelper helper =
new DeviceAssignmentMarshalHelper(getDeviceManagement().getTenant());
helper.setIncludeDevice(true);
for (int x = 0; x < ASSIGNMENTS_PER_SITE; x++) {
IDeviceSpecification specification = getRandomDeviceSpecification();
// Make sure most of the entries are heavy equipment.
if (Math.random() > 0.7) {
specification = getMeitrackSpecification();
}
SpecificationDetails info = specMap.get(specification.getToken());
AssignmentChoice assnChoice = getRandomAssignmentChoice(info);
// List<IDeviceCommand> commands =
// commandsBySpecToken.get(specification.getToken());
// Create device.
DeviceCreateRequest request = new DeviceCreateRequest();
request.setHardwareId(UUID.randomUUID().toString());
request.setSpecificationToken(specification.getToken());
request.setSiteToken(site.getToken());
request.setComments(assnChoice.getDeviceDescriptionBase() + " " + (x + 1) + ".");
IDevice device = getDeviceManagement().createDevice(request);
LOGGER.info(PREFIX_CREATE_DEVICE + " " + device.getHardwareId());
// Create assignment.
DeviceAssignmentCreateRequest assnRequest = new DeviceAssignmentCreateRequest();
assnRequest.setAssignmentType(DeviceAssignmentType.Associated);
assnRequest.setAssetModuleId(assnChoice.getAssignmentAssetModuleId());
assnRequest.setAssetId(assnChoice.getAssignmentAssetId());
assnRequest.setDeviceHardwareId(device.getHardwareId());
Map<String, String> metadata = new HashMap<String, String>();
metadata.put("serialNumber", UUID.randomUUID().toString());
assnRequest.setMetadata(metadata);
IDeviceAssignment assignment = getDeviceManagement().createDeviceAssignment(assnRequest);
LOGGER.info(PREFIX_CREATE_ASSIGNMENT + " " + assignment.getToken());
// Create events for assignment.
createDeviceMeasurements(assignment, before);
createDeviceLocations(assignment, before);
// List<IDeviceCommandInvocation> invocations =
// createDeviceCommandInvocations(assignment, before, commands);
// createDeviceCommandResponses(assignment, before, invocations);
// createDeviceStateChanges(assignment, specification, before);
results.add(helper.convert(assignment, assetModuleManager));
}
return results;
}
public Builder(IDeviceAssignment api) {
request.setToken(api.getToken());
request.setDeviceHardwareId(api.getDeviceHardwareId());
request.setAssetModuleId(api.getAssetModuleId());
request.setAssetId(api.getAssetId());
request.setAssignmentType(api.getAssignmentType());
if (api.getMetadata() != null) {
request.setMetadata(new HashMap<String, String>());
request.getMetadata().putAll(api.getMetadata());
}
}
/**
* Create command responses for each invocation.
*
* @param assignment
* @param date
* @param invocations
* @return
* @throws SiteWhereException
*/
protected List<IDeviceCommandResponse> createDeviceCommandResponses(
IDeviceAssignment assignment, Date date, List<IDeviceCommandInvocation> invocations)
throws SiteWhereException {
long current = date.getTime();
List<IDeviceCommandResponse> responses = new ArrayList<IDeviceCommandResponse>();
for (IDeviceCommandInvocation invocation : invocations) {
DeviceCommandResponseCreateRequest request = new DeviceCommandResponseCreateRequest();
request.setOriginatingEventId(invocation.getId());
request.setResponse("ACK");
request.setEventDate(new Date(current));
responses.add(getDeviceManagement().addDeviceCommandResponse(assignment.getToken(), request));
current += 30000;
}
return responses;
}
/**
* Create device locations in a path near the main zone.
*
* @param assignment
* @param start
* @return
* @throws SiteWhereException
*/
protected List<IDeviceLocation> createDeviceLocations(IDeviceAssignment assignment, Date date)
throws SiteWhereException {
long current = date.getTime();
Polygon zone = GeoUtils.createPolygonForLocations(zoneLocations);
Point centroid = zone.getCentroid();
// Calculate length of steps between locations based on bounding circle.
MinimumBoundingCircle circle = new MinimumBoundingCircle(zone);
double step = circle.getRadius() / 10;
double cx = centroid.getX();
double cy = centroid.getY();
double deltaX = (Math.sqrt(Math.random()) * step * 2) - step;
double deltaY = (Math.sqrt(Math.random()) * step * 2) - step;
// Used to rotate deltas to turn path and stay inside polygon.
AffineTransformation xform = new AffineTransformation();
xform.rotate(Math.toRadians(22.5));
List<IDeviceLocation> results = new ArrayList<IDeviceLocation>();
GeometryFactory factory = new GeometryFactory();
for (int x = 0; x < LOCATIONS_PER_ASSIGNMENT; x++) {
boolean foundNext = false;
// Add a little randomness to path.
double waver = ((Math.random() * 20) - 10.0);
AffineTransformation waverXform = new AffineTransformation();
waverXform.rotate(Math.toRadians(waver));
Coordinate waverDelta = new Coordinate(deltaX, deltaY);
waverXform.transform(waverDelta, waverDelta);
deltaX = waverDelta.x;
deltaY = waverDelta.y;
while (!foundNext) {
Coordinate start = new Coordinate(cx, cy);
Coordinate end = new Coordinate(cx + deltaX, cy + deltaY);
Coordinate[] lineCoords = {start, end};
LineString line = factory.createLineString(lineCoords);
if (zone.contains(line)) {
DeviceLocationCreateRequest request = new DeviceLocationCreateRequest();
request.setLatitude(end.y);
request.setLongitude(end.x);
request.setElevation(0.0);
request.setEventDate(new Date(current));
IDeviceLocation created =
getDeviceManagement().addDeviceLocation(assignment.getToken(), request);
results.add(created);
cx = cx + deltaX;
cy = cy + deltaY;
foundNext = true;
} else {
// Rotate deltas and try again.
Coordinate delta = new Coordinate(deltaX, deltaY);
xform.transform(delta, delta);
deltaX = delta.x;
deltaY = delta.y;
}
}
current += 30000;
}
LOGGER.info(PREFIX_CREATE_EVENTS + " " + results.size() + " locations. ");
return results;
}
/**
* Create device measurements associated with an assignment.
*
* @param assignment
* @return
* @throws SiteWhereException
*/
protected List<IDeviceMeasurements> createDeviceMeasurements(
IDeviceAssignment assignment, Date start) throws SiteWhereException {
long current = start.getTime();
double temp = MIN_TEMP;
double fuel = 100;
double delta = 4;
double mult = 6;
int measurementCount = 0;
int alertCount = 0;
List<IDeviceMeasurements> results = new ArrayList<IDeviceMeasurements>();
for (int x = 0; x < EVENTS_PER_ASSIGNMENT; x++) {
// Simulate temperature changes.
temp = temp + (delta + ((Math.random() * mult * 2) - mult));
temp = Math.round(temp * 100.0) / 100.0;
if ((temp > MAX_TEMP) || (temp < MIN_TEMP)) {
delta = -delta;
}
// Simulate fuel changes.
fuel -= (Math.random() * 2);
fuel = Math.round(fuel * 100.0) / 100.0;
if (fuel < 0) {
fuel = 0;
}
// Store current temperature measurement.
DeviceMeasurementsCreateRequest mreq = new DeviceMeasurementsCreateRequest();
mreq.addOrReplaceMeasurement("engine.temperature", temp);
mreq.addOrReplaceMeasurement("fuel.level", fuel);
mreq.setEventDate(new Date(current));
results.add(getDeviceManagement().addDeviceMeasurements(assignment.getToken(), mreq));
measurementCount++;
// Create alerts based on current temperature.
if (temp > WARN_TEMP) {
DeviceAlertCreateRequest areq = new DeviceAlertCreateRequest();
areq.setType("engine.overheat");
areq.setEventDate(new Date(current));
areq.setMessage("Engine temperature is at top of operating range.");
areq.setLevel(AlertLevel.Warning);
if (temp > ERROR_TEMP) {
areq.setMessage("Engine temperature is at a dangerous level.");
areq.setLevel(AlertLevel.Error);
} else if (temp > CRITICAL_TEMP) {
areq.setMessage("Engine temperature critical. Shutting down.");
areq.setLevel(AlertLevel.Critical);
break;
}
getDeviceManagement().addDeviceAlert(assignment.getToken(), areq);
alertCount++;
}
current += 10000;
}
LOGGER.info(
PREFIX_CREATE_EVENTS
+ " "
+ measurementCount
+ " measurements. "
+ alertCount
+ " alerts.");
return results;
}