boltdb

package

v0.0.0-...-46cfdfa Latest Latest Go to latest Published: Oct 11, 2016 License: MIT Imports: 14 Imported by: 0

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type GeoFenceBoltDB struct {
	augmentedtree.Tree
	*bolt.DB
	// contains filtered or unexported fields
}

GeoFenceBoltDB provides an in memory index and boltdb query engine for fences lookup

func NewGeoFenceBoltDB(dbpath string, opts ...GeoFenceBoltDBOption) (*GeoFenceBoltDB, error)

NewGeoFenceBoltDB creates a new geo database, needs a writable path for BoltDB

func (gs *GeoFenceBoltDB) FenceByID(loopID uint64) *region.Fence

FenceByID returns a region from DB by its id

func (gs *GeoFenceBoltDB) RadiusQuery(lat, lng, radius float64, opts ...region.QueryOptionsFunc) (region.Fences, error)

RadiusQuery is performing a radius query

func (gs *GeoFenceBoltDB) RectQuery(urlat, urlng, bllat, bllng float64, opts ...region.QueryOptionsFunc) (region.Fences, error)

RectQuery perform rectangular query ur upper right bl bottom left

func (gs *GeoFenceBoltDB) StoreFence(fs *geostore.FenceStorage, cover []uint64) error

StoreFence stores a fence into the database and load its index in memory

func (gs *GeoFenceBoltDB) StubbingQuery(lat, lng float64, opts ...region.QueryOptionsFunc) (region.Fences, error)

StubbingQuery returns the fence for the corresponding lat, lng point

type GeoFenceBoltDBOption func(*geoFenceBoltDBOptions)

GeoSearchOption used to pass options to NewGeoSearch

func WithCachedEntries(maxCachedEntries uint) GeoFenceBoltDBOption

WithCachedEntries enable an LRU cache default is disabled

func WithDebug(debug bool) GeoFenceBoltDBOption

WithDebug enable debug

func WithReadOnly(ro bool) GeoFenceBoltDBOption

WithReadOnly enable read only db