Golang graph.IsPersistent函數代碼示例

本文整理匯總了Golang中github.com/google/cayley/graph.IsPersistent函數的典型用法代碼示例。如果您正苦於以下問題：Golang IsPersistent函數的具體用法？Golang IsPersistent怎麽用？Golang IsPersistent使用的例子？那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。

在下文中一共展示了IsPersistent函數的7個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: Init

func Init(cfg *config.Config) error {
	if !graph.IsPersistent(cfg.DatabaseType) {
		return fmt.Errorf("ignoring unproductive database initialization request: %v", ErrNotPersistent)
	}

	return graph.InitQuadStore(cfg.DatabaseType, cfg.DatabasePath, cfg.DatabaseOptions)
}

開發者ID:oliverp19，項目名稱:cayley，代碼行數:7，代碼來源:db.go

示例2: prepare

func prepare(t testing.TB) {
	var remote bool
	cfg.DatabaseType = *backend
	switch *backend {
	case "memstore":
		cfg.DatabasePath = "../data/30kmoviedata.nq.gz"
	case "leveldb", "bolt":
		cfg.DatabasePath = "/tmp/cayley_test_" + *backend
		cfg.DatabaseOptions = map[string]interface{}{
			"nosync": true, // It's a test. If we need to load, do it fast.
		}
	case "mongo":
		cfg.DatabasePath = "localhost:27017"
		cfg.DatabaseOptions = map[string]interface{}{
			"database_name": "cayley_test", // provide a default test database
		}
		remote = true
	case "sql":
		cfg.DatabasePath = "postgres://localhost/cayley_test"
		remote = true
	default:
		t.Fatalf("Untestable backend store %s", *backend)
	}
	if *backendPath != "" {
		cfg.DatabasePath = *backendPath
	}

	var err error
	create.Do(func() {
		needsLoad := true
		if graph.IsPersistent(cfg.DatabaseType) && !remote {
			if _, err := os.Stat(cfg.DatabasePath); os.IsNotExist(err) {
				err = db.Init(cfg)
				if err != nil {
					t.Fatalf("Could not initialize database: %v", err)
				}
			} else {
				needsLoad = false
			}
		}

		handle, err = db.Open(cfg)
		if err != nil {
			t.Fatalf("Failed to open %q: %v", cfg.DatabasePath, err)
		}

		if needsLoad && !remote {
			err = internal.Load(handle.QuadWriter, cfg, "../data/30kmoviedata.nq.gz", "cquad")
			if err != nil {
				t.Fatalf("Failed to load %q: %v", cfg.DatabasePath, err)
			}
		}
	})
}

開發者ID:e4x，項目名稱:cayley，代碼行數:54，代碼來源:integration_test.go

示例3: deletePrepare

func deletePrepare(t testing.TB) {
	var err error
	deleteAndRecreate.Do(func() {
		prepare(t)
		if !graph.IsPersistent(cfg.DatabaseType) {
			err = removeAll(handle.QuadWriter, cfg, "", "cquad")
			if err != nil {
				t.Fatalf("Failed to remove %q: %v", cfg.DatabasePath, err)
			}
			err = internal.Load(handle.QuadWriter, cfg, "", "cquad")
			if err != nil {
				t.Fatalf("Failed to load %q: %v", cfg.DatabasePath, err)
			}
		}
	})
}

開發者ID:WZhuo，項目名稱:cayley，代碼行數:16，代碼來源:integration_test.go

示例4: prepare

func prepare(t testing.TB) {
	var err error
	create.Do(func() {
		handle, err = db.Open(cfg)
		if err != nil {
			t.Fatalf("Failed to open %q: %v", cfg.DatabasePath, err)
		}

		if !graph.IsPersistent(cfg.DatabaseType) {
			err = load(handle.QuadWriter, cfg, "", "cquad")
			if err != nil {
				t.Fatalf("Failed to load %q: %v", cfg.DatabasePath, err)
			}
		}
	})
}

開發者ID:kris-lab，項目名稱:cayley，代碼行數:16，代碼來源:cayley_test.go

示例5: prepare

func prepare(t testing.TB) {
	cfg.DatabaseType = *backend
	switch *backend {
	case "memstore":
		cfg.DatabasePath = "30kmoviedata.nq.gz"
	case "leveldb", "bolt":
		cfg.DatabasePath = "/tmp/cayley_test_" + *backend
		cfg.DatabaseOptions = map[string]interface{}{
			"nosync": true, // It's a test. If we need to load, do it fast.
		}
	case "mongo":
		cfg.DatabasePath = "localhost:27017"
	default:
		t.Fatalf("Untestable backend store %s", *backend)
	}

	var err error
	create.Do(func() {
		needsLoad := true
		if graph.IsPersistent(cfg.DatabaseType) {
			if _, err := os.Stat(cfg.DatabasePath); os.IsNotExist(err) {
				err = db.Init(cfg)
				if err != nil {
					t.Fatalf("Could not initialize database: %v", err)
				}
			} else {
				needsLoad = false
			}
		}

		handle, err = db.Open(cfg)
		if err != nil {
			t.Fatalf("Failed to open %q: %v", cfg.DatabasePath, err)
		}

		if needsLoad {
			err = load(handle.QuadWriter, cfg, "30kmoviedata.nq.gz", "cquad")
			if err != nil {
				t.Fatalf("Failed to load %q: %v", cfg.DatabasePath, err)
			}
		}
	})
}

開發者ID:ericcapricorn，項目名稱:cayley，代碼行數:43，代碼來源:cayley_test.go

示例6: main

func main() {
	// No command? It's time for usage.
	if len(os.Args) == 1 {
		fmt.Fprintln(os.Stderr, "Cayley is a graph store and graph query layer.")
		usage()
		os.Exit(1)
	}

	cmd := os.Args[1]
	os.Args = append(os.Args[:1], os.Args[2:]...)
	flag.Parse()

	var buildString string
	if Version != "" {
		buildString = fmt.Sprint("Cayley ", Version, " built ", BuildDate)
		glog.Infoln(buildString)
	}

	cfg := configFrom(*configFile)

	if os.Getenv("GOMAXPROCS") == "" {
		runtime.GOMAXPROCS(runtime.NumCPU())
		glog.Infoln("Setting GOMAXPROCS to", runtime.NumCPU())
	} else {
		glog.Infoln("GOMAXPROCS currently", os.Getenv("GOMAXPROCS"), " -- not adjusting")
	}

	var (
		handle *graph.Handle
		err    error
	)
	switch cmd {
	case "version":
		if Version != "" {
			fmt.Println(buildString)
		} else {
			fmt.Println("Cayley snapshot")
		}
		os.Exit(0)

	case "init":
		err = db.Init(cfg)
		if err != nil {
			break
		}
		if *quadFile != "" {
			handle, err = db.Open(cfg)
			if err != nil {
				break
			}
			err = internal.Load(handle.QuadWriter, cfg, *quadFile, *quadType)
			if err != nil {
				break
			}
			handle.Close()
		}

	case "load":
		handle, err = db.Open(cfg)
		if err != nil {
			break
		}
		err = internal.Load(handle.QuadWriter, cfg, *quadFile, *quadType)
		if err != nil {
			break
		}

		handle.Close()

	case "repl":
		handle, err = db.Open(cfg)
		if err != nil {
			break
		}
		if !graph.IsPersistent(cfg.DatabaseType) {
			err = internal.Load(handle.QuadWriter, cfg, "", *quadType)
			if err != nil {
				break
			}
		}

		err = db.Repl(handle, *queryLanguage, cfg)

		handle.Close()

	case "http":
		handle, err = db.Open(cfg)
		if err != nil {
			break
		}
		if !graph.IsPersistent(cfg.DatabaseType) {
			err = internal.Load(handle.QuadWriter, cfg, "", *quadType)
			if err != nil {
				break
			}
		}

		http.Serve(handle, cfg)

		handle.Close()
//.........這裏部分代碼省略.........

開發者ID:oliverp19，項目名稱:cayley，代碼行數:101，代碼來源:cayley.go

示例7: main

func main() {
	// No command? It's time for usage.
	if len(os.Args) == 1 {
		Usage()
		os.Exit(1)
	}

	cmd := os.Args[1]
	var newargs []string
	newargs = append(newargs, os.Args[0])
	newargs = append(newargs, os.Args[2:]...)
	os.Args = newargs
	flag.Parse()

	var buildString string
	if VERSION != "" {
		buildString = fmt.Sprint("Cayley ", VERSION, " built ", BUILD_DATE)
		glog.Infoln(buildString)
	}

	cfg := config.ParseConfigFromFlagsAndFile(*configFile)

	if os.Getenv("GOMAXPROCS") == "" {
		runtime.GOMAXPROCS(runtime.NumCPU())
		glog.Infoln("Setting GOMAXPROCS to", runtime.NumCPU())
	} else {
		glog.Infoln("GOMAXPROCS currently", os.Getenv("GOMAXPROCS"), " -- not adjusting")
	}

	var (
		handle *graph.Handle
		err    error
	)
	switch cmd {
	case "version":
		if VERSION != "" {
			fmt.Println(buildString)
		} else {
			fmt.Println("Cayley snapshot")
		}
		os.Exit(0)

	case "init":
		err = db.Init(cfg)
		if err != nil {
			break
		}
		if *tripleFile != "" {
			handle, err = db.Open(cfg)
			if err != nil {
				break
			}
			err = load(handle.QuadWriter, cfg, *tripleFile, *tripleType)
			if err != nil {
				break
			}
			handle.Close()
		}

	case "load":
		handle, err = db.Open(cfg)
		if err != nil {
			break
		}
		err = load(handle.QuadWriter, cfg, *tripleFile, *tripleType)
		if err != nil {
			break
		}

		handle.Close()

	case "repl":
		handle, err = db.Open(cfg)
		if err != nil {
			break
		}
		if !graph.IsPersistent(cfg.DatabaseType) {
			err = load(handle.QuadWriter, cfg, "", *tripleType)
			if err != nil {
				break
			}
		}

		err = db.Repl(handle, *queryLanguage, cfg)

		handle.Close()

	case "http":
		handle, err = db.Open(cfg)
		if err != nil {
			break
		}
		if !graph.IsPersistent(cfg.DatabaseType) {
			err = load(handle.QuadWriter, cfg, "", *tripleType)
			if err != nil {
				break
			}
		}

		http.Serve(handle, cfg)
//.........這裏部分代碼省略.........

開發者ID:kris-lab，項目名稱:cayley，代碼行數:101，代碼來源:cayley.go

注：本文中的github.com/google/cayley/graph.IsPersistent函數示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。