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Golang writer.NewSingleReplication函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Golang中github.com/google/cayley/writer.NewSingleReplication函数的典型用法代码示例。如果您正苦于以下问题：Golang NewSingleReplication函数的具体用法？Golang NewSingleReplication怎么用？Golang NewSingleReplication使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了NewSingleReplication函数的12个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: MakeWriter

func MakeWriter(t testing.TB, qs graph.QuadStore, opts graph.Options, data ...quad.Quad) graph.QuadWriter {
	w, err := writer.NewSingleReplication(qs, opts)
	require.Nil(t, err)
	if len(data) > 0 {
		err = w.AddQuadSet(data)
		require.Nil(t, err)
	}
	return w
}
开发者ID:dennwc，项目名称:cayley，代码行数:9，代码来源:graphtest.go


示例2: removeQuad

func removeQuad(qs graph.QuadStore, q []quad.Quad) error {
	w, err := writer.NewSingleReplication(qs, nil)
	if err != nil {
		return err
	}

	for _, q := range q {
		err = w.RemoveQuad(q)
		if err != nil {
			return fmt.Errorf("removing quad: %v (%v)", err, q)
		}
	}

	return nil
}
开发者ID:bmatsuo，项目名称:cayley，代码行数:15，代码来源:tests.go


示例3: WriteFixtureQuadStore

// WriteFixtureQuadStore writes id QuadSet into qs.
func WriteFixtureQuadStore(qs graph.QuadStore, id string) (int, error) {
	quads := Fixtures.QuadSet(id)
	if quads == nil {
		return 0, fmt.Errorf("unknown fixture: %q", id)
	}
	w, err := writer.NewSingleReplication(qs, nil)
	if err != nil {
		return 0, err
	}
	err = w.AddQuadSet(quads.Quads)
	if err != nil {
		return 0, err
	}
	return len(quads.Quads), nil
}
开发者ID:bmatsuo，项目名称:cayley，代码行数:16，代码来源:fixtures.go


示例4: TestOptimize

func TestOptimize(t *testing.T) {
	tmpFile, _ := ioutil.TempFile(os.TempDir(), "cayley_test")
	t.Log(tmpFile.Name())
	defer os.RemoveAll(tmpFile.Name())
	err := createNewBolt(tmpFile.Name(), nil)
	if err != nil {
		t.Fatalf("Failed to create working directory")
	}
	qs, err := newQuadStore(tmpFile.Name(), nil)
	if qs == nil || err != nil {
		t.Error("Failed to create leveldb QuadStore.")
	}

	w, _ := writer.NewSingleReplication(qs, nil)
	w.AddQuadSet(makeQuadSet())

	// With an linksto-fixed pair
	fixed := qs.FixedIterator()
	fixed.Add(qs.ValueOf("F"))
	fixed.Tagger().Add("internal")
	lto := iterator.NewLinksTo(qs, fixed, quad.Object)

	oldIt := lto.Clone()
	newIt, ok := lto.Optimize()
	if !ok {
		t.Errorf("Failed to optimize iterator")
	}
	if newIt.Type() != Type() {
		t.Errorf("Optimized iterator type does not match original, got:%v expect:%v", newIt.Type(), Type())
	}

	newQuads := iteratedQuads(qs, newIt)
	oldQuads := iteratedQuads(qs, oldIt)
	if !reflect.DeepEqual(newQuads, oldQuads) {
		t.Errorf("Optimized iteration does not match original")
	}

	graph.Next(oldIt)
	oldResults := make(map[string]graph.Value)
	oldIt.TagResults(oldResults)
	graph.Next(newIt)
	newResults := make(map[string]graph.Value)
	newIt.TagResults(newResults)
	if !reflect.DeepEqual(newResults, oldResults) {
		t.Errorf("Discordant tag results, new:%v old:%v", newResults, oldResults)
	}
}
开发者ID:oliverp19，项目名称:cayley，代码行数:47，代码来源:bolt_test.go


示例5: makeTestStore

func makeTestStore(data []quad.Quad) (*QuadStore, graph.QuadWriter, []pair) {
	seen := make(map[string]struct{})
	qs := newQuadStore()
	var (
		val int64
		ind []pair
	)
	writer, _ := writer.NewSingleReplication(qs, nil)
	for _, t := range data {
		for _, qp := range []string{t.Subject, t.Predicate, t.Object, t.Label} {
			if _, ok := seen[qp]; !ok && qp != "" {
				val++
				ind = append(ind, pair{qp, val})
				seen[qp] = struct{}{}
			}
		}

		writer.AddQuad(t)
	}
	return qs, writer, ind
}
开发者ID:ericcapricorn，项目名称:cayley，代码行数:21，代码来源:quadstore_test.go


示例6: TestDeletedFromIterator

func TestDeletedFromIterator(t *testing.T) {

	tmpFile, _ := ioutil.TempFile(os.TempDir(), "cayley_test")
	t.Log(tmpFile.Name())
	defer os.RemoveAll(tmpFile.Name())
	err := createNewBolt(tmpFile.Name(), nil)
	if err != nil {
		t.Fatalf("Failed to create working directory")
	}

	qs, err := newQuadStore(tmpFile.Name(), nil)
	if qs == nil || err != nil {
		t.Error("Failed to create leveldb QuadStore.")
	}
	defer qs.Close()

	w, _ := writer.NewSingleReplication(qs, nil)
	w.AddQuadSet(makeQuadSet())

	expect := []quad.Quad{
		{"E", "follows", "F", ""},
	}
	sort.Sort(ordered(expect))

	// Subject iterator.
	it := qs.QuadIterator(quad.Subject, qs.ValueOf("E"))

	if got := iteratedQuads(qs, it); !reflect.DeepEqual(got, expect) {
		t.Errorf("Failed to get expected results, got:%v expect:%v", got, expect)
	}
	it.Reset()

	w.RemoveQuad(quad.Quad{"E", "follows", "F", ""})
	expect = nil

	if got := iteratedQuads(qs, it); !reflect.DeepEqual(got, expect) {
		t.Errorf("Failed to get expected results, got:%v expect:%v", got, expect)
	}
}
开发者ID:oliverp19，项目名称:cayley，代码行数:39，代码来源:bolt_test.go


示例7: makeTestStore

func makeTestStore(data []quad.Quad) (*QuadStore, graph.QuadWriter, []pair) {
	seen := make(map[string]struct{})
	qs := newQuadStore()
	var (
		val int64
		ind []pair
	)
	writer, _ := writer.NewSingleReplication(qs, nil)
	for _, t := range data {
		for _, dir := range quad.Directions {
			qp := t.GetString(dir)
			if _, ok := seen[qp]; !ok && qp != "" {
				val++
				ind = append(ind, pair{qp, val})
				seen[qp] = struct{}{}
			}
		}

		writer.WriteQuad(t)
	}
	return qs, writer, ind
}
开发者ID:dennwc，项目名称:cayley，代码行数:22，代码来源:quadstore_test.go


示例8: TestSetIterator

func TestSetIterator(t *testing.T) {

	tmpFile, _ := ioutil.TempFile(os.TempDir(), "cayley_test")
	t.Log(tmpFile.Name())
	defer os.RemoveAll(tmpFile.Name())
	err := createNewBolt(tmpFile.Name(), nil)
	if err != nil {
		t.Fatalf("Failed to create working directory")
	}

	qs, err := newQuadStore(tmpFile.Name(), nil)
	if qs == nil || err != nil {
		t.Error("Failed to create leveldb QuadStore.")
	}
	defer qs.Close()

	w, _ := writer.NewSingleReplication(qs, nil)
	w.AddQuadSet(makeQuadSet())

	expect := []quad.Quad{
		{"C", "follows", "B", ""},
		{"C", "follows", "D", ""},
	}
	sort.Sort(ordered(expect))

	// Subject iterator.
	it := qs.QuadIterator(quad.Subject, qs.ValueOf("C"))

	if got := iteratedQuads(qs, it); !reflect.DeepEqual(got, expect) {
		t.Errorf("Failed to get expected results, got:%v expect:%v", got, expect)
	}
	it.Reset()

	and := iterator.NewAnd(qs)
	and.AddSubIterator(qs.QuadsAllIterator())
	and.AddSubIterator(it)

	if got := iteratedQuads(qs, and); !reflect.DeepEqual(got, expect) {
		t.Errorf("Failed to get confirm expected results, got:%v expect:%v", got, expect)
	}

	// Object iterator.
	it = qs.QuadIterator(quad.Object, qs.ValueOf("F"))

	expect = []quad.Quad{
		{"B", "follows", "F", ""},
		{"E", "follows", "F", ""},
	}
	sort.Sort(ordered(expect))
	if got := iteratedQuads(qs, it); !reflect.DeepEqual(got, expect) {
		t.Errorf("Failed to get expected results, got:%v expect:%v", got, expect)
	}

	and = iterator.NewAnd(qs)
	and.AddSubIterator(qs.QuadIterator(quad.Subject, qs.ValueOf("B")))
	and.AddSubIterator(it)

	expect = []quad.Quad{
		{"B", "follows", "F", ""},
	}
	if got := iteratedQuads(qs, and); !reflect.DeepEqual(got, expect) {
		t.Errorf("Failed to get confirm expected results, got:%v expect:%v", got, expect)
	}

	// Predicate iterator.
	it = qs.QuadIterator(quad.Predicate, qs.ValueOf("status"))

	expect = []quad.Quad{
		{"B", "status", "cool", "status_graph"},
		{"D", "status", "cool", "status_graph"},
		{"G", "status", "cool", "status_graph"},
	}
	sort.Sort(ordered(expect))
	if got := iteratedQuads(qs, it); !reflect.DeepEqual(got, expect) {
		t.Errorf("Failed to get expected results from predicate iterator, got:%v expect:%v", got, expect)
	}

	// Label iterator.
	it = qs.QuadIterator(quad.Label, qs.ValueOf("status_graph"))

	expect = []quad.Quad{
		{"B", "status", "cool", "status_graph"},
		{"D", "status", "cool", "status_graph"},
		{"G", "status", "cool", "status_graph"},
	}
	sort.Sort(ordered(expect))
	if got := iteratedQuads(qs, it); !reflect.DeepEqual(got, expect) {
		t.Errorf("Failed to get expected results from predicate iterator, got:%v expect:%v", got, expect)
	}
	it.Reset()

	// Order is important
	and = iterator.NewAnd(qs)
	and.AddSubIterator(qs.QuadIterator(quad.Subject, qs.ValueOf("B")))
	and.AddSubIterator(it)

	expect = []quad.Quad{
		{"B", "status", "cool", "status_graph"},
	}
	if got := iteratedQuads(qs, and); !reflect.DeepEqual(got, expect) {
//.........这里部分代码省略.........
开发者ID:oliverp19，项目名称:cayley，代码行数:101，代码来源:bolt_test.go


示例9: TestIterator

func TestIterator(t *testing.T) {
	tmpFile, err := ioutil.TempFile(os.TempDir(), "cayley_test")
	if err != nil {
		t.Fatalf("Could not create working directory: %v", err)
	}
	defer os.RemoveAll(tmpFile.Name())
	t.Log(tmpFile.Name())

	err = createNewBolt(tmpFile.Name(), nil)
	if err != nil {
		t.Fatal("Failed to create LevelDB database.")
	}

	qs, err := newQuadStore(tmpFile.Name(), nil)
	if qs == nil || err != nil {
		t.Error("Failed to create leveldb QuadStore.")
	}

	w, _ := writer.NewSingleReplication(qs, nil)
	w.AddQuadSet(makeQuadSet())
	var it graph.Iterator

	it = qs.NodesAllIterator()
	if it == nil {
		t.Fatal("Got nil iterator.")
	}

	size, _ := it.Size()
	if size <= 0 || size >= 20 {
		t.Errorf("Unexpected size, got:%d expect:(0, 20)", size)
	}
	if typ := it.Type(); typ != graph.All {
		t.Errorf("Unexpected iterator type, got:%v expect:%v", typ, graph.All)
	}
	optIt, changed := it.Optimize()
	if changed || optIt != it {
		t.Errorf("Optimize unexpectedly changed iterator.")
	}

	expect := []string{
		"A",
		"B",
		"C",
		"D",
		"E",
		"F",
		"G",
		"follows",
		"status",
		"cool",
		"status_graph",
	}
	sort.Strings(expect)
	for i := 0; i < 2; i++ {
		got := iteratedNames(qs, it)
		sort.Strings(got)
		if !reflect.DeepEqual(got, expect) {
			t.Errorf("Unexpected iterated result on repeat %d, got:%v expect:%v", i, got, expect)
		}
		it.Reset()
	}

	for _, pq := range expect {
		if !it.Contains(qs.ValueOf(pq)) {
			t.Errorf("Failed to find and check %q correctly", pq)
		}
	}
	// FIXME(kortschak) Why does this fail?
	/*
		for _, pq := range []string{"baller"} {
			if it.Contains(qs.ValueOf(pq)) {
				t.Errorf("Failed to check %q correctly", pq)
			}
		}
	*/
	it.Reset()

	it = qs.QuadsAllIterator()
	graph.Next(it)
	fmt.Printf("%#v\n", it.Result())
	q := qs.Quad(it.Result())
	fmt.Println(q)
	set := makeQuadSet()
	var ok bool
	for _, e := range set {
		if e.String() == q.String() {
			ok = true
			break
		}
	}
	if !ok {
		t.Errorf("Failed to find %q during iteration, got:%q", q, set)
	}

	qs.Close()
}
开发者ID:oliverp19，项目名称:cayley，代码行数:96，代码来源:bolt_test.go


示例10: TestLoadDatabase

func TestLoadDatabase(t *testing.T) {
	tmpFile, err := ioutil.TempFile(os.TempDir(), "cayley_test")
	if err != nil {
		t.Fatalf("Could not create working directory: %v", err)
	}
	defer os.RemoveAll(tmpFile.Name())
	t.Log(tmpFile.Name())

	err = createNewBolt(tmpFile.Name(), nil)
	if err != nil {
		t.Fatal("Failed to create Bolt database.", err)
	}

	qs, err := newQuadStore(tmpFile.Name(), nil)
	if qs == nil || err != nil {
		t.Error("Failed to create Bolt QuadStore.")
	}

	w, _ := writer.NewSingleReplication(qs, nil)
	w.AddQuad(quad.Quad{
		Subject:   "Something",
		Predicate: "points_to",
		Object:    "Something Else",
		Label:     "context",
	})
	for _, pq := range []string{"Something", "points_to", "Something Else", "context"} {
		if got := qs.NameOf(qs.ValueOf(pq)); got != pq {
			t.Errorf("Failed to roundtrip %q, got:%q expect:%q", pq, got, pq)
		}
	}
	if s := qs.Size(); s != 1 {
		t.Errorf("Unexpected quadstore size, got:%d expect:1", s)
	}
	qs.Close()
	os.RemoveAll(tmpFile.Name())

	err = createNewBolt(tmpFile.Name(), nil)
	if err != nil {
		t.Fatal("Failed to create Bolt database.", err)
	}
	qs, err = newQuadStore(tmpFile.Name(), nil)
	if qs == nil || err != nil {
		t.Error("Failed to create Bolt QuadStore.")
	}
	w, _ = writer.NewSingleReplication(qs, nil)

	ts2, didConvert := qs.(*QuadStore)
	if !didConvert {
		t.Errorf("Could not convert from generic to LevelDB QuadStore")
	}

	//Test horizon
	horizon := qs.Horizon()
	if horizon.Int() != 0 {
		t.Errorf("Unexpected horizon value, got:%d expect:0", horizon.Int())
	}

	w.AddQuadSet(makeQuadSet())
	if s := qs.Size(); s != 11 {
		t.Errorf("Unexpected quadstore size, got:%d expect:11", s)
	}
	if s := ts2.SizeOf(qs.ValueOf("B")); s != 5 {
		t.Errorf("Unexpected quadstore size, got:%d expect:5", s)
	}
	horizon = qs.Horizon()
	if horizon.Int() != 11 {
		t.Errorf("Unexpected horizon value, got:%d expect:11", horizon.Int())
	}

	w.RemoveQuad(quad.Quad{
		Subject:   "A",
		Predicate: "follows",
		Object:    "B",
		Label:     "",
	})
	if s := qs.Size(); s != 10 {
		t.Errorf("Unexpected quadstore size after RemoveQuad, got:%d expect:10", s)
	}
	if s := ts2.SizeOf(qs.ValueOf("B")); s != 4 {
		t.Errorf("Unexpected quadstore size, got:%d expect:4", s)
	}

	qs.Close()
}
开发者ID:oliverp19，项目名称:cayley，代码行数:84，代码来源:bolt_test.go


示例11: TestLoadDatabase

func TestLoadDatabase(t *testing.T) {
	tmpDir, err := ioutil.TempDir(os.TempDir(), "cayley_test")
	if err != nil {
		t.Fatalf("Could not create working directory: %v", err)
	}
	defer os.RemoveAll(tmpDir)
	t.Log(tmpDir)

	err = createNewLevelDB(tmpDir, nil)
	if err != nil {
		t.Fatal("Failed to create LevelDB database.")
	}

	qs, err := newTripleStore(tmpDir, nil)
	if qs == nil || err != nil {
		t.Error("Failed to create leveldb TripleStore.")
	}

	w, _ := writer.NewSingleReplication(qs, nil)
	w.AddQuad(quad.Quad{"Something", "points_to", "Something Else", "context"})
	for _, pq := range []string{"Something", "points_to", "Something Else", "context"} {
		if got := qs.NameOf(qs.ValueOf(pq)); got != pq {
			t.Errorf("Failed to roundtrip %q, got:%q expect:%q", pq, got, pq)
		}
	}
	if s := qs.Size(); s != 1 {
		t.Errorf("Unexpected triplestore size, got:%d expect:1", s)
	}
	qs.Close()

	err = createNewLevelDB(tmpDir, nil)
	if err != nil {
		t.Fatal("Failed to create LevelDB database.")
	}
	qs, err = newTripleStore(tmpDir, nil)
	if qs == nil || err != nil {
		t.Error("Failed to create leveldb TripleStore.")
	}
	w, _ = writer.NewSingleReplication(qs, nil)

	ts2, didConvert := qs.(*TripleStore)
	if !didConvert {
		t.Errorf("Could not convert from generic to LevelDB TripleStore")
	}

	w.AddQuadSet(makeTripleSet())
	if s := qs.Size(); s != 11 {
		t.Errorf("Unexpected triplestore size, got:%d expect:11", s)
	}
	if s := ts2.SizeOf(qs.ValueOf("B")); s != 5 {
		t.Errorf("Unexpected triplestore size, got:%d expect:5", s)
	}

	w.RemoveQuad(quad.Quad{"A", "follows", "B", ""})
	if s := qs.Size(); s != 10 {
		t.Errorf("Unexpected triplestore size after RemoveTriple, got:%d expect:10", s)
	}
	if s := ts2.SizeOf(qs.ValueOf("B")); s != 4 {
		t.Errorf("Unexpected triplestore size, got:%d expect:4", s)
	}

	qs.Close()
}
开发者ID:Joeento，项目名称:cayley，代码行数:63，代码来源:leveldb_test.go


示例12: TestLoadDatabase

func TestLoadDatabase(t *testing.T) {
	tmpDir, err := ioutil.TempDir(os.TempDir(), "cayley_test")
	if err != nil {
		t.Fatalf("Could not create working directory: %v", err)
	}
	defer os.RemoveAll(tmpDir)
	t.Log(tmpDir)

	err = createNewLevelDB(tmpDir, nil)
	if err != nil {
		t.Fatal("Failed to create LevelDB database.")
	}

	qs, err := newQuadStore(tmpDir, nil)
	if qs == nil || err != nil {
		t.Error("Failed to create leveldb QuadStore.")
	}

	w, _ := writer.NewSingleReplication(qs, nil)
	err = w.WriteQuad(quad.Make(
		"Something",
		"points_to",
		"Something Else",
		"context",
	))
	if err != nil {
		t.Fatal("Failed to add quad:", err)
	}
	for _, pq := range []string{"Something", "points_to", "Something Else", "context"} {
		if got := quad.StringOf(qs.NameOf(qs.ValueOf(quad.Raw(pq)))); got != pq {
			t.Errorf("Failed to roundtrip %q, got:%q expect:%q", pq, got, pq)
		}
	}
	if s := qs.Size(); s != 1 {
		t.Errorf("Unexpected quadstore size, got:%d expect:1", s)
	}
	qs.Close()

	err = createNewLevelDB(tmpDir, nil)
	if err != graph.ErrDatabaseExists {
		t.Fatal("Failed to create LevelDB database.")
	}
	qs, err = newQuadStore(tmpDir, nil)
	if qs == nil || err != nil {
		t.Error("Failed to create leveldb QuadStore.")
	}
	w, _ = writer.NewSingleReplication(qs, nil)

	ts2, didConvert := qs.(*QuadStore)
	if !didConvert {
		t.Errorf("Could not convert from generic to LevelDB QuadStore")
	}

	//Test horizon
	horizon := qs.Horizon()
	if horizon.Int() != 1 {
		t.Errorf("Unexpected horizon value, got:%d expect:1", horizon.Int())
	}

	w.WriteQuads(graphtest.MakeQuadSet())
	if s := qs.Size(); s != 12 {
		t.Errorf("Unexpected quadstore size, got:%d expect:12", s)
	}
	if s := ts2.SizeOf(qs.ValueOf(quad.Raw("B"))); s != 5 {
		t.Errorf("Unexpected quadstore size, got:%d expect:5", s)
	}
	horizon = qs.Horizon()
	if horizon.Int() != 12 {
		t.Errorf("Unexpected horizon value, got:%d expect:12", horizon.Int())
	}

	w.RemoveQuad(quad.Make(
		"A",
		"follows",
		"B",
		"",
	))
	if s := qs.Size(); s != 11 {
		t.Errorf("Unexpected quadstore size after RemoveQuad, got:%d expect:11", s)
	}
	if s := ts2.SizeOf(qs.ValueOf(quad.Raw("B"))); s != 4 {
		t.Errorf("Unexpected quadstore size, got:%d expect:4", s)
	}

	qs.Close()
}
开发者ID:dennwc，项目名称:cayley，代码行数:86，代码来源:leveldb_test.go



注：本文中的github.com/google/cayley/writer.NewSingleReplication函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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