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54 lines
1.1 KiB
54 lines
1.1 KiB
package cayley
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import (
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"github.com/google/cayley/graph"
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_ "github.com/google/cayley/graph/memstore"
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"github.com/google/cayley/graph/path"
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"github.com/google/cayley/quad"
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_ "github.com/google/cayley/writer"
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)
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type Iterator graph.Iterator
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type QuadStore graph.QuadStore
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type QuadWriter graph.QuadWriter
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type Path path.Path
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var (
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StartMorphism = path.StartMorphism
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StartPath = path.StartPath
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RawNext = graph.Next
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NewTransaction = graph.NewTransaction
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)
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type Handle struct {
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graph.QuadStore
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graph.QuadWriter
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}
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func Quad(subject, predicate, object, label string) quad.Quad {
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return quad.Quad{subject, predicate, object, label}
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}
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func NewGraph(name, dbpath string, opts graph.Options) (*Handle, error) {
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qs, err := graph.NewQuadStore(name, dbpath, opts)
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if err != nil {
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return nil, err
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}
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qw, err := graph.NewQuadWriter("single", qs, nil)
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if err != nil {
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return nil, err
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}
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return &Handle{qs, qw}, nil
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}
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func NewMemoryGraph() (*Handle, error) {
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return NewGraph("memstore", "", nil)
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}
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func (h *Handle) Close() {
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h.QuadStore.Close()
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h.QuadWriter.Close()
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}
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