@Override
public void saveSignalInfo(List<SignalMetadata> signalInfo) {
PersistenceManager manager = PMF.getManager();
try {
List<SignalInfo> signals = new ArrayList<SignalInfo>();
List<SignalInfoAvg> signalsAvg = new ArrayList<SignalInfoAvg>();
Extent<SignalInfoAvg> allSignalInfoAvg = manager.getExtent(SignalInfoAvg.class);
for (SignalInfoAvg savg : allSignalInfoAvg) {
signalsAvg.add(savg);
}
for (SignalMetadata s : signalInfo) {
signals.add(
new SignalInfo(
s.getClientId(),
s.getCarrier(),
s.getLatitude(),
s.getLongitude(),
s.getAccuracy(),
s.getPhoneType(),
s.getTime(),
s.getSignal()));
// Do not add datapoint to consolidated datastore if accuracy is poor or faulty
if (s.getAccuracy() < 20.0 && s.getAccuracy() > 0) {
// Longitude and latitude are multiples of 0.001, roughly 100m by 100m
DecimalFormat threeForm = new DecimalFormat("#.###");
double longitude = Double.valueOf(threeForm.format(s.getLongitude()));
double latitude = Double.valueOf(threeForm.format(s.getLatitude()));
SignalInfoAvg signal =
new SignalInfoAvg(longitude, latitude, s.getCarrier(), s.getPhoneType());
int index = signalsAvg.indexOf(signal);
if (index == -1) {
signal.setSignal(s.getSignal());
signalsAvg.add(signal);
} else {
signalsAvg.get(index).update(s.getSignal());
}
}
}
manager.makePersistentAll(signals);
manager.makePersistentAll(signalsAvg);
} finally {
manager.close();
}
}
@Override
public List<SignalMetadata> getAllSignalListAvg() {
PersistenceManager manager = PMF.getManager();
try {
ArrayList<SignalMetadata> signalInfo = new ArrayList<SignalMetadata>();
Extent<SignalInfoAvg> allSignalInfoAvg = manager.getExtent(SignalInfoAvg.class);
for (SignalInfoAvg s : allSignalInfoAvg) {
signalInfo.add(s.getSignalMetadata());
}
return signalInfo;
} finally {
manager.close();
}
}
@Override
public List<SignalMetadata> getSignalList(
Double minLatitude,
Double minLongitude,
Double maxLatitude,
Double maxLongitude,
List<String> carrierParams,
List<String> phoneTypes,
String clientId) {
PersistenceManager manager = PMF.getManager();
// If no carrier is specified, show points from all carriers
if (carrierParams == null) {
String[] carrierList = {"att", "verizon", "tmobile", "sprint"};
carrierParams = Arrays.asList(carrierList);
}
// If no phoneType is specified, show points from all phoneTypes
if (phoneTypes == null) {
String[] phoneList = {"0", "1", "2", "3"};
phoneTypes = Arrays.asList(phoneList);
}
// If user requests data for a region of size larger than 1.0000 by 1.0000 (about 11km by 11km),
// only the center 1.0000 by 1.0000 of data will be returned
if (maxLatitude - minLatitude > 1.0) {
Double center = (maxLatitude + minLatitude) / 2.0;
maxLatitude = center + .5;
minLatitude = center - .5;
}
if (maxLongitude - minLongitude > 1.0) {
Double centerl = (maxLongitude + minLongitude) / 2.0;
maxLongitude = centerl + .5;
minLongitude = centerl - .5;
}
try {
ArrayList<SignalMetadata> signalInfo = new ArrayList<SignalMetadata>();
// If clientId is absent, returns data within the given geographic box
// for the given phoneType and carrier from the consolidated datastore
if (clientId == null) {
Query q = manager.newQuery(SignalInfoAvg.class);
q.declareImports("import java.util.List");
Object[] parameters = {minLatitude, maxLatitude, carrierParams, phoneTypes};
q.declareParameters(
"Double minLatitude, Double maxLatitude, List carrierParams, List phoneTypes");
q.setFilter(
"latitude >= minLatitude && latitude <= maxLatitude && carrierParams.contains(carrier) && phoneTypes.contains(phoneType)");
List<SignalInfoAvg> allSignalInfo = (List<SignalInfoAvg>) q.executeWithArray(parameters);
// Extent<SignalInfo> allSignalInfo = manager.getExtent(SignalInfo.class);
ArrayList<SignalInfoAvg> filtered = new ArrayList<SignalInfoAvg>();
for (SignalInfoAvg savg : allSignalInfo) {
if (savg.getLongitude() >= minLongitude && savg.getLongitude() <= maxLongitude) {
filtered.add(savg);
}
}
for (SignalInfoAvg s : filtered) {
signalInfo.add(s.getSignalMetadata());
}
} else {
// If clientId is present, returns raw data of the given clientId,
// phoneType, and carrier within the given geographic box
Query q = manager.newQuery(SignalInfo.class);
q.declareImports("import java.util.List");
Object[] parameters = {minLatitude, maxLatitude, carrierParams, phoneTypes, clientId};
q.declareParameters(
"Double minLatitude, Double maxLatitude, List<String> carrierParams, List<String> phoneTypes, String myClientId");
q.setFilter(
"clientId == myClientId && latitude >= minLatitude && latitude <= maxLatitude && carrier == carrierParams && phoneType == phoneTypes");
List<SignalInfo> allSignalInfo = (List<SignalInfo>) q.executeWithArray(parameters);
// Extent<SignalInfo> allSignalInfo = manager.getExtent(SignalInfo.class);
ArrayList<SignalInfo> filtered = new ArrayList<SignalInfo>();
for (SignalInfo s : allSignalInfo) {
if (s.getLongitude() >= minLongitude && s.getLongitude() <= maxLongitude) {
filtered.add(s);
}
}
for (SignalInfo s : filtered) {
signalInfo.add(s.getSignalMetadata());
}
}
return signalInfo;
} finally {
manager.close();
}
}