Beispiel #1
0
func CreateNewMongoGraph(addr string, options graph.Options) bool {
	conn, err := mgo.Dial(addr)
	if err != nil {
		glog.Fatal("Error connecting: ", err)
		return false
	}
	conn.SetSafe(&mgo.Safe{})
	dbName := DefaultDBName
	if val, ok := options.StringKey("database_name"); ok {
		dbName = val
	}
	db := conn.DB(dbName)
	indexOpts := mgo.Index{
		Key:        []string{"Sub"},
		Unique:     false,
		DropDups:   false,
		Background: true,
		Sparse:     true,
	}
	db.C("triples").EnsureIndex(indexOpts)
	indexOpts.Key = []string{"Pred"}
	db.C("triples").EnsureIndex(indexOpts)
	indexOpts.Key = []string{"Obj"}
	db.C("triples").EnsureIndex(indexOpts)
	indexOpts.Key = []string{"Provenance"}
	db.C("triples").EnsureIndex(indexOpts)
	return true
}
Beispiel #2
0
func createNewMongoGraph(addr string, options graph.Options) error {
	conn, err := mgo.Dial(addr)
	if err != nil {
		return err
	}
	conn.SetSafe(&mgo.Safe{})
	dbName := DefaultDBName
	if val, ok := options.StringKey("database_name"); ok {
		dbName = val
	}
	db := conn.DB(dbName)
	indexOpts := mgo.Index{
		Key:        []string{"Sub"},
		Unique:     false,
		DropDups:   false,
		Background: true,
		Sparse:     true,
	}
	db.C("triples").EnsureIndex(indexOpts)
	indexOpts.Key = []string{"Pred"}
	db.C("triples").EnsureIndex(indexOpts)
	indexOpts.Key = []string{"Obj"}
	db.C("triples").EnsureIndex(indexOpts)
	indexOpts.Key = []string{"Label"}
	db.C("triples").EnsureIndex(indexOpts)
	return nil
}
Beispiel #3
0
func newTripleStore(addr string, options graph.Options) (graph.TripleStore, error) {
	var qs TripleStore
	conn, err := mgo.Dial(addr)
	if err != nil {
		return nil, err
	}
	conn.SetSafe(&mgo.Safe{})
	dbName := DefaultDBName
	if val, ok := options.StringKey("database_name"); ok {
		dbName = val
	}
	qs.db = conn.DB(dbName)
	qs.session = conn
	qs.idCache = NewIDLru(1 << 16)
	return &qs, nil
}
Beispiel #4
0
func NewTripleStore(addr string, options graph.Options) *TripleStore {
	var ts TripleStore
	conn, err := mgo.Dial(addr)
	if err != nil {
		glog.Fatal("Error connecting: ", err)
	}
	conn.SetSafe(&mgo.Safe{})
	dbName := DefaultDBName
	if val, ok := options.StringKey("database_name"); ok {
		dbName = val
	}
	ts.db = conn.DB(dbName)
	ts.session = conn
	ts.hasher = sha1.New()
	ts.idCache = NewIDLru(1 << 16)
	return &ts
}
Beispiel #5
0
func createNewMongoGraph(addr string, options graph.Options) error {
	conn, err := mgo.Dial(addr)
	if err != nil {
		return err
	}
	defer conn.Close()
	conn.SetSafe(&mgo.Safe{})
	dbName := DefaultDBName
	val, ok, err := options.StringKey("database_name")
	if err != nil {
		return err
	} else if ok {
		dbName = val
	}
	db := conn.DB(dbName)
	return ensureIndexes(db)
}
Beispiel #6
0
func newQuadStore(addr string, options graph.Options) (graph.QuadStore, error) {
	var qs QuadStore
	conn, err := mgo.Dial(addr)
	if err != nil {
		return nil, err
	}
	conn.SetSafe(&mgo.Safe{})
	dbName := DefaultDBName
	val, ok, err := options.StringKey("database_name")
	if err != nil {
		return nil, err
	} else if ok {
		dbName = val
	}
	qs.db = conn.DB(dbName)
	qs.session = conn
	qs.ids = newCache(1 << 16)
	qs.sizes = newCache(1 << 16)
	return &qs, nil
}
Beispiel #7
0
func createNewMongoGraph(addr string, options graph.Options) error {
	conn, err := mgo.Dial(addr)
	if err != nil {
		return err
	}
	conn.SetSafe(&mgo.Safe{})
	dbName := DefaultDBName
	val, ok, err := options.StringKey("database_name")
	if err != nil {
		return err
	} else if ok {
		dbName = val
	}
	db := conn.DB(dbName)
	indexOpts := mgo.Index{
		Key:        []string{"subject"},
		Unique:     false,
		DropDups:   false,
		Background: true,
		Sparse:     true,
	}
	db.C("quads").EnsureIndex(indexOpts)
	indexOpts.Key = []string{"predicate"}
	db.C("quads").EnsureIndex(indexOpts)
	indexOpts.Key = []string{"object"}
	db.C("quads").EnsureIndex(indexOpts)
	indexOpts.Key = []string{"label"}
	db.C("quads").EnsureIndex(indexOpts)
	logOpts := mgo.Index{
		Key:        []string{"LogID"},
		Unique:     true,
		DropDups:   false,
		Background: true,
		Sparse:     true,
	}
	db.C("log").EnsureIndex(logOpts)
	return nil
}