Revision d59e5d1f4a4b981a69ae5d422ed9bcd0a9a9cea6 authored by Denys Smirnov on 14 October 2019, 05:24:38 UTC, committed by Denys Smirnov on 14 October 2019, 05:37:33 UTC
1 parent c0946c9
imports.go
package cayley
import (
"github.com/cayleygraph/cayley/graph"
_ "github.com/cayleygraph/cayley/graph/memstore"
"github.com/cayleygraph/cayley/graph/path"
_ "github.com/cayleygraph/cayley/writer"
"github.com/cayleygraph/quad"
)
var (
StartMorphism = path.StartMorphism
StartPath = path.StartPath
NewTransaction = graph.NewTransaction
)
type Iterator = graph.Iterator
type QuadStore = graph.QuadStore
type QuadWriter = graph.QuadWriter
type Path = path.Path
type Handle struct {
graph.QuadStore
graph.QuadWriter
}
func (h *Handle) Close() error {
err := h.QuadWriter.Close()
h.QuadStore.Close()
return err
}
func Triple(subject, predicate, object interface{}) quad.Quad {
return Quad(subject, predicate, object, nil)
}
func Quad(subject, predicate, object, label interface{}) quad.Quad {
return quad.Make(subject, predicate, object, label)
}
func NewGraph(name, dbpath string, opts graph.Options) (*Handle, error) {
qs, err := graph.NewQuadStore(name, dbpath, opts)
if err != nil {
return nil, err
}
qw, err := graph.NewQuadWriter("single", qs, nil)
if err != nil {
return nil, err
}
return &Handle{qs, qw}, nil
}
func NewMemoryGraph() (*Handle, error) {
return NewGraph("memstore", "", nil)
}
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