feat:implement local station finder based on google:s2

issue:#240
Telenav · Apr 14, 2020 · 23c6214 · 23c6214
1 parent 6e28b14
commit 23c6214
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Showing 29 changed files with 460 additions and 62 deletions.
diff --git a/integration/cmd/oasis/flags.go b/integration/cmd/oasis/flags.go
@@ -11,6 +11,7 @@ var flags struct {
 	tnSearchEndpoint     string
 	tnSearchAPIKey       string
 	tnSearchAPISignature string
+	localDataPath        string
 }
 
 func init() {
@@ -19,5 +20,6 @@ func init() {
 	flag.StringVar(&flags.finderType, "finder", "", "Specify search finder to search for nearby charge stations for given location, use TNSearchFinder or LocalIndexerFinder")
 	flag.StringVar(&flags.tnSearchEndpoint, "search", "", "TN-Search-backend endpoint")
 	flag.StringVar(&flags.tnSearchAPIKey, "searchApiKey", "", "API key for TN-Search-backend")
-	flag.StringVar(&flags.tnSearchAPISignature, "searchApiSignature", "", "API Signature for  TN-Search-backend")
+	flag.StringVar(&flags.tnSearchAPISignature, "searchApiSignature", "", "API Signature for TN-Search-backend")
+	flag.StringVar(&flags.localDataPath, "datapath", "", "Local data path for index data")
 }
diff --git a/integration/cmd/oasis/main.go b/integration/cmd/oasis/main.go
@@ -14,7 +14,8 @@ func main() {
 	defer glog.Flush()
 	mux := http.NewServeMux()
 
-	oasisService, err := oasis.New(flags.osrmBackendEndpoint, flags.finderType, flags.tnSearchEndpoint, flags.tnSearchAPIKey, flags.tnSearchAPISignature)
+	oasisService, err := oasis.New(flags.osrmBackendEndpoint, flags.finderType, flags.tnSearchEndpoint,
+		flags.tnSearchAPIKey, flags.tnSearchAPISignature, flags.localDataPath)
 	if err != nil {
 		glog.Errorf("Failed to create oasis handler due to err %+v.\n", err)
 		return

diff --git a/integration/service/oasis/handler.go b/integration/service/oasis/handler.go
@@ -19,15 +19,15 @@ type Handler struct {
 }
 
 // New creates new Handler object
-func New(osrmBackend, finderType, searchEndpoint, apiKey, apiSignature string) (*Handler, error) {
+func New(osrmBackend, finderType, searchEndpoint, apiKey, apiSignature, dataFolderPath string) (*Handler, error) {
 	// @todo: need make sure connectivity is on and continues available
 	//        simple request to guarantee server is alive after init
 	if len(osrmBackend) == 0 {
 		err := fmt.Errorf("empty osrmBackend end point")
 		return nil, err
 	}
 
-	finder, err := stationfinder.CreateStationsFinder(finderType, searchEndpoint, apiKey, apiSignature)
+	finder, err := stationfinder.CreateStationsFinder(finderType, searchEndpoint, apiKey, apiSignature, dataFolderPath)
 	if err != nil {
 		glog.Errorf("Failed in Handler's New() when try to call CreateStationsFinder(), met error = %+v\n", err)
 		return nil, err

diff --git a/integration/service/oasis/spatialindexer/interface_mock.go b/integration/service/oasis/spatialindexer/interface_mock.go
@@ -1,6 +1,7 @@
 package spatialindexer
 
-var mockPlaceInfo1 = []*PointInfo{
+// MockPlaceInfo1 contains 10 PointInfo items
+var MockPlaceInfo1 = []*PointInfo{
 	&PointInfo{
 		ID: 1,
 		Location: Location{
@@ -78,9 +79,9 @@ type MockFinder struct {
 }
 
 // FindNearByPointIDs returns mock result
-// It returns 10 places defined in mockPlaceInfo1
+// It returns 10 places defined in MockPlaceInfo1
 func (finder *MockFinder) FindNearByPointIDs(center Location, radius float64, limitCount int) []*PointInfo {
-	return mockPlaceInfo1
+	return MockPlaceInfo1
 }
 
 // MockPointsIterator implements PointsIterator's interface
@@ -89,10 +90,10 @@ type MockPointsIterator struct {
 
 // IteratePoints() iterate places with mock data
 func (iterator *MockPointsIterator) IteratePoints() <-chan PointInfo {
-	pointInfoC := make(chan PointInfo, len(mockPlaceInfo1))
+	pointInfoC := make(chan PointInfo, len(MockPlaceInfo1))
 
 	go func() {
-		for _, item := range mockPlaceInfo1 {
+		for _, item := range MockPlaceInfo1 {
 			pointInfoC <- *item
 		}
 

diff --git a/integration/service/oasis/stationfinder/cloudfinder/basic_finder.go b/integration/service/oasis/stationfinder/cloudfinder/basic_finder.go
@@ -37,9 +37,9 @@ func (bf *basicFinder) getNearbyChargeStations(req *nearbychargestation.Request)
 	bf.searchRespLock.Unlock()
 }
 
-func (bf *basicFinder) IterateNearbyStations() <-chan stationfindertype.ChargeStationInfo {
+func (bf *basicFinder) IterateNearbyStations() <-chan *stationfindertype.ChargeStationInfo {
 	if bf.searchResp == nil || len(bf.searchResp.Results) == 0 {
-		c := make(chan stationfindertype.ChargeStationInfo)
+		c := make(chan *stationfindertype.ChargeStationInfo)
 		go func() {
 			defer close(c)
 		}()
@@ -52,7 +52,7 @@ func (bf *basicFinder) IterateNearbyStations() <-chan stationfindertype.ChargeSt
 	copy(results, bf.searchResp.Results)
 	bf.searchRespLock.RUnlock()
 
-	c := make(chan stationfindertype.ChargeStationInfo, size)
+	c := make(chan *stationfindertype.ChargeStationInfo, size)
 	go func() {
 		defer close(c)
 		for _, result := range results {
@@ -65,7 +65,7 @@ func (bf *basicFinder) IterateNearbyStations() <-chan stationfindertype.ChargeSt
 					Lat: result.Place.Address[0].GeoCoordinate.Latitude,
 					Lon: result.Place.Address[0].GeoCoordinate.Longitude},
 			}
-			c <- station
+			c <- &station
 		}
 	}()
 

diff --git a/integration/service/oasis/stationfinder/cloudfinder/basic_finder_test.go b/integration/service/oasis/stationfinder/cloudfinder/basic_finder_test.go
@@ -10,29 +10,29 @@ import (
 	"github.com/Telenav/osrm-backend/integration/service/oasis/stationfinder/stationfindertype"
 )
 
-var mockChargeStationInfo1 []stationfindertype.ChargeStationInfo = []stationfindertype.ChargeStationInfo{
-	stationfindertype.ChargeStationInfo{
+var mockChargeStationInfo1 = []*stationfindertype.ChargeStationInfo{
+	{
 		ID: "station1",
 		Location: nav.Location{
 			Lat: 32.333,
 			Lon: 122.333,
 		},
 	},
-	stationfindertype.ChargeStationInfo{
+	{
 		ID: "station2",
 		Location: nav.Location{
 			Lat: -32.333,
 			Lon: -122.333,
 		},
 	},
-	stationfindertype.ChargeStationInfo{
+	{
 		ID: "station3",
 		Location: nav.Location{
 			Lat: 32.333,
 			Lon: -122.333,
 		},
 	},
-	stationfindertype.ChargeStationInfo{
+	{
 		ID: "station4",
 		Location: nav.Location{
 			Lat: -32.333,
@@ -41,22 +41,22 @@ var mockChargeStationInfo1 []stationfindertype.ChargeStationInfo = []stationfind
 	},
 }
 
-var mockChargeStationInfo2 []stationfindertype.ChargeStationInfo = []stationfindertype.ChargeStationInfo{
-	stationfindertype.ChargeStationInfo{
+var mockChargeStationInfo2 = []*stationfindertype.ChargeStationInfo{
+	{
 		ID: "station1",
 		Location: nav.Location{
 			Lat: 32.333,
 			Lon: 122.333,
 		},
 	},
-	stationfindertype.ChargeStationInfo{
+	{
 		ID: "station2",
 		Location: nav.Location{
 			Lat: -32.333,
 			Lon: -122.333,
 		},
 	},
-	stationfindertype.ChargeStationInfo{
+	{
 		ID: "station5",
 		Location: nav.Location{
 			Lat: -12.333,
@@ -65,15 +65,15 @@ var mockChargeStationInfo2 []stationfindertype.ChargeStationInfo = []stationfind
 	},
 }
 
-var mockChargeStationInfo3 []stationfindertype.ChargeStationInfo = []stationfindertype.ChargeStationInfo{
-	stationfindertype.ChargeStationInfo{
+var mockChargeStationInfo3 = []*stationfindertype.ChargeStationInfo{
+	{
 		ID: "station6",
 		Location: nav.Location{
 			Lat: 30.333,
 			Lon: 122.333,
 		},
 	},
-	stationfindertype.ChargeStationInfo{
+	{
 		ID: "station7",
 		Location: nav.Location{
 			Lat: -10.333,
@@ -85,7 +85,7 @@ var mockChargeStationInfo3 []stationfindertype.ChargeStationInfo = []stationfind
 func TestBasicFinderCorrectness(t *testing.T) {
 	cases := []struct {
 		input  []*nearbychargestation.Result
-		expect []stationfindertype.ChargeStationInfo
+		expect []*stationfindertype.ChargeStationInfo
 	}{
 		{
 			nearbychargestation.MockSearchResponse1.Results,
@@ -105,7 +105,7 @@ func TestBasicFinderCorrectness(t *testing.T) {
 			wg.Add(1)
 			defer wg.Done()
 
-			var r []stationfindertype.ChargeStationInfo
+			var r []*stationfindertype.ChargeStationInfo
 			for item := range c {
 				r = append(r, item)
 			}
@@ -122,7 +122,7 @@ func TestBasicFinderAsync(t *testing.T) {
 	cases := []struct {
 		input     []*nearbychargestation.Result
 		inputLock *sync.RWMutex
-		expect    []stationfindertype.ChargeStationInfo
+		expect    []*stationfindertype.ChargeStationInfo
 	}{
 		{
 			nearbychargestation.MockSearchResponse1.Results,
@@ -145,7 +145,7 @@ func TestBasicFinderAsync(t *testing.T) {
 				c := bf.IterateNearbyStations()
 				go func(wg *sync.WaitGroup) {
 					defer wg.Done()
-					var r []stationfindertype.ChargeStationInfo
+					var r []*stationfindertype.ChargeStationInfo
 					for item := range c {
 						r = append(r, item)
 					}

diff --git a/integration/service/oasis/stationfinder/cloudfinder/dest_station_finder.go b/integration/service/oasis/stationfinder/cloudfinder/dest_station_finder.go
@@ -43,6 +43,6 @@ func (sf *destStationFinder) prepare() {
 	return
 }
 
-func (sf *destStationFinder) IterateNearbyStations() <-chan stationfindertype.ChargeStationInfo {
+func (sf *destStationFinder) IterateNearbyStations() <-chan *stationfindertype.ChargeStationInfo {
 	return sf.bf.IterateNearbyStations()
 }
diff --git a/integration/service/oasis/stationfinder/cloudfinder/dest_station_finder_test.go b/integration/service/oasis/stationfinder/cloudfinder/dest_station_finder_test.go
@@ -10,7 +10,7 @@ import (
 func TestDestStationFinderIterator(t *testing.T) {
 	sf := CreateMockDestStationFinder1()
 	c := sf.IterateNearbyStations()
-	var r []stationfindertype.ChargeStationInfo
+	var r []*stationfindertype.ChargeStationInfo
 	go func() {
 		for item := range c {
 			r = append(r, item)

diff --git a/integration/service/oasis/stationfinder/cloudfinder/doc.go b/integration/service/oasis/stationfinder/cloudfinder/doc.go
@@ -0,0 +1,4 @@
+/*
+Package cloudfinder provides spatial query based on Telenav's cloud web service.
+*/
+package cloudfinder
diff --git a/integration/service/oasis/stationfinder/cloudfinder/low_energy_location_station_finder.go b/integration/service/oasis/stationfinder/cloudfinder/low_energy_location_station_finder.go
@@ -8,7 +8,8 @@ import (
 	"github.com/Telenav/osrm-backend/integration/service/oasis/stationfinder/stationfindertype"
 )
 
-const lowEnergyLocationCandidateNumber = 20
+// LowEnergyLocationCandidateNumber indicates how much charge station to be searched for low energy point
+const LowEnergyLocationCandidateNumber = 20
 
 type lowEnergyLocationStationFinder struct {
 	location *nav.Location
@@ -29,12 +30,12 @@ func (sf *lowEnergyLocationStationFinder) prepare() {
 		searchcoordinate.Coordinate{
 			Lat: sf.location.Lat,
 			Lon: sf.location.Lon},
-		lowEnergyLocationCandidateNumber,
+		LowEnergyLocationCandidateNumber,
 		-1)
 	sf.bf.getNearbyChargeStations(req)
 	return
 }
 
-func (sf *lowEnergyLocationStationFinder) IterateNearbyStations() <-chan stationfindertype.ChargeStationInfo {
+func (sf *lowEnergyLocationStationFinder) IterateNearbyStations() <-chan *stationfindertype.ChargeStationInfo {
 	return sf.bf.IterateNearbyStations()
 }
diff --git a/...ration/service/oasis/stationfinder/cloudfinder/low_energy_location_station_finder_test.go b/...ration/service/oasis/stationfinder/cloudfinder/low_energy_location_station_finder_test.go
@@ -17,7 +17,7 @@ func TestLowEnergyLocationStationFinderIterator1(t *testing.T) {
 		defer wg.Done()
 
 		c := sf.IterateNearbyStations()
-		var r []stationfindertype.ChargeStationInfo
+		var r []*stationfindertype.ChargeStationInfo
 
 		for item := range c {
 			r = append(r, item)
@@ -37,7 +37,7 @@ func TestLowEnergyLocationStationFinderIterator2(t *testing.T) {
 		defer wg.Done()
 
 		c := sf.IterateNearbyStations()
-		var r []stationfindertype.ChargeStationInfo
+		var r []*stationfindertype.ChargeStationInfo
 		for item := range c {
 			r = append(r, item)
 		}
@@ -56,7 +56,7 @@ func TestLowEnergyLocationStationFinderIterator3(t *testing.T) {
 		defer wg.Done()
 
 		c := sf.IterateNearbyStations()
-		var r []stationfindertype.ChargeStationInfo
+		var r []*stationfindertype.ChargeStationInfo
 		for item := range c {
 			r = append(r, item)
 		}

diff --git a/integration/service/oasis/stationfinder/cloudfinder/orig_station_finder.go b/integration/service/oasis/stationfinder/cloudfinder/orig_station_finder.go
@@ -37,6 +37,6 @@ func (sf *origStationFinder) prepare() {
 	return
 }
 
-func (sf *origStationFinder) IterateNearbyStations() <-chan stationfindertype.ChargeStationInfo {
+func (sf *origStationFinder) IterateNearbyStations() <-chan *stationfindertype.ChargeStationInfo {
 	return sf.bf.IterateNearbyStations()
 }
diff --git a/integration/service/oasis/stationfinder/cloudfinder/orig_station_finder_test.go b/integration/service/oasis/stationfinder/cloudfinder/orig_station_finder_test.go
@@ -10,7 +10,7 @@ import (
 func TestOrigStationFinderIterator(t *testing.T) {
 	sf := CreateMockOrigStationFinder1()
 	c := sf.IterateNearbyStations()
-	var r []stationfindertype.ChargeStationInfo
+	var r []*stationfindertype.ChargeStationInfo
 
 	isdoneC := make(chan bool)
 	go func() {

diff --git a/integration/service/oasis/stationfinder/cloudfinder/tnsearch_station_finder.go b/integration/service/oasis/stationfinder/cloudfinder/tnsearch_station_finder.go
@@ -7,28 +7,28 @@ import (
 	"github.com/Telenav/osrm-backend/integration/service/oasis/stationfinder/stationfindertype"
 )
 
-type tnSearchStationFinder struct {
+type cloudStationFinder struct {
 	sc *searchconnector.TNSearchConnector
 }
 
 // New creates finder based on telenav search web service
-func New(sc *searchconnector.TNSearchConnector) *tnSearchStationFinder {
-	return &tnSearchStationFinder{
+func New(sc *searchconnector.TNSearchConnector) *cloudStationFinder {
+	return &cloudStationFinder{
 		sc: sc,
 	}
 }
 
 // NewOrigStationFinder creates finder to search for nearby charge stations near orig based on telenav search
-func (finder *tnSearchStationFinder) NewOrigStationFinder(oasisReq *oasis.Request) stationfindertype.NearbyStationsIterator {
+func (finder *cloudStationFinder) NewOrigStationFinder(oasisReq *oasis.Request) stationfindertype.NearbyStationsIterator {
 	return NewOrigStationFinder(finder.sc, oasisReq)
 }
 
 // NewDestStationFinder creates finder to search for nearby charge stations near destination based on telenav search
-func (finder *tnSearchStationFinder) NewDestStationFinder(oasisReq *oasis.Request) stationfindertype.NearbyStationsIterator {
+func (finder *cloudStationFinder) NewDestStationFinder(oasisReq *oasis.Request) stationfindertype.NearbyStationsIterator {
 	return NewDestStationFinder(finder.sc, oasisReq)
 }
 
 // NewLowEnergyLocationStationFinder creates finder to search for nearby charge stations when energy is low based on telenav search
-func (finder *tnSearchStationFinder) NewLowEnergyLocationStationFinder(location *nav.Location) stationfindertype.NearbyStationsIterator {
+func (finder *cloudStationFinder) NewLowEnergyLocationStationFinder(location *nav.Location) stationfindertype.NearbyStationsIterator {
 	return NewLowEnergyLocationStationFinder(finder.sc, location)
 }
diff --git a/integration/service/oasis/stationfinder/interface.go b/integration/service/oasis/stationfinder/interface.go
@@ -23,7 +23,7 @@ type StationFinder interface {
 type Algorithm interface {
 	// FindOverlapBetweenStations finds overlap charge stations based on two iterator
 	FindOverlapBetweenStations(iterF stationfindertype.NearbyStationsIterator,
-		iterS stationfindertype.NearbyStationsIterator) []stationfindertype.ChargeStationInfo
+		iterS stationfindertype.NearbyStationsIterator) []*stationfindertype.ChargeStationInfo
 
 	// CalcWeightBetweenChargeStationsPair accepts two iterators and calculates weights between each pair of iterators
 	CalcWeightBetweenChargeStationsPair(from stationfindertype.NearbyStationsIterator,