Golang gremlin.NewSession函数代码示例

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本文整理汇总了Golang中github.com/google/cayley/query/gremlin.NewSession函数的典型用法代码示例。如果您正苦于以下问题：Golang NewSession函数的具体用法？Golang NewSession怎么用？Golang NewSession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NewSession函数的14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: ServeV1Shape

func (api *Api) ServeV1Shape(w http.ResponseWriter, r *http.Request, params httprouter.Params) int {
	var ses graph.HttpSession
	switch params.ByName("query_lang") {
	case "gremlin":
		ses = gremlin.NewSession(api.ts, api.config.GremlinTimeout, false)
	case "mql":
		ses = mql.NewSession(api.ts)
	default:
		return FormatJson400(w, "Need a query language.")
	}
	var err error
	bodyBytes, err := ioutil.ReadAll(r.Body)
	if err != nil {
		return FormatJson400(w, err)
	}
	code := string(bodyBytes)
	result, err := ses.InputParses(code)
	switch result {
	case graph.Parsed:
		var output []byte
		var err error
		output, err = GetQueryShape(code, ses)
		if err != nil {
			return FormatJson400(w, err)
		}
		fmt.Fprint(w, string(output))
		return 200
	case graph.ParseFail:
		return FormatJson400(w, err)
	default:
		return FormatJsonError(w, 500, "Incomplete data?")
	}
	http.Error(w, "", http.StatusNotFound)
	return http.StatusNotFound
}

开发者ID:heshizhu，项目名称:cayley，代码行数:35，代码来源:query.go

示例2: ServeV1Shape

func (api *API) ServeV1Shape(w http.ResponseWriter, r *http.Request, params httprouter.Params) int {
	var ses query.HTTP
	switch params.ByName("query_lang") {
	case "gremlin":
		ses = gremlin.NewSession(api.handle.QuadStore, api.config.Timeout, false)
	case "mql":
		ses = mql.NewSession(api.handle.QuadStore)
	default:
		return jsonResponse(w, 400, "Need a query language.")
	}
	bodyBytes, err := ioutil.ReadAll(r.Body)
	if err != nil {
		return jsonResponse(w, 400, err)
	}
	code := string(bodyBytes)
	result, err := ses.InputParses(code)
	switch result {
	case query.Parsed:
		var output []byte
		var err error
		output, err = GetQueryShape(code, ses)
		if err != nil {
			return jsonResponse(w, 400, err)
		}
		fmt.Fprint(w, string(output))
		return 200
	case query.ParseFail:
		return jsonResponse(w, 400, err)
	default:
		return jsonResponse(w, 500, "Incomplete data?")
	}
}

开发者ID:ericcapricorn，项目名称:cayley，代码行数:32，代码来源:query.go

示例3: runQuery

func runQuery(queryLang, code string) (interface{}, error) {
	qs := &QuadStore{}
	var ses query.HTTP
	switch queryLang {
	case "gremlin":
		ses = gremlin.NewSession(qs, 100*time.Second, false)
	case "mql":
		ses = mql.NewSession(qs)
	default:
	}
	result, err := ses.Parse(code)
	switch result {
	case query.Parsed:
		output, err := Run(code, ses)
		if err != nil {
			return nil, err
		}
		return output, nil
	case query.ParseFail:
		ses = nil
		return nil, err
	default:
		ses = nil
		return nil, fmt.Errorf("Incomplete data?")
	}
}

开发者ID:nunb，项目名称:degdb，代码行数:26，代码来源:gremlin.go

示例4: checkQueries

func checkQueries(t *testing.T) {
	for _, test := range benchmarkQueries {
		if testing.Short() && test.long {
			continue
		}
		if test.skip {
			continue
		}
		tInit := time.Now()
		t.Logf("Now testing %s ", test.message)
		ses := gremlin.NewSession(handle.QuadStore, cfg.Timeout, true)
		_, err := ses.Parse(test.query)
		if err != nil {
			t.Fatalf("Failed to parse benchmark gremlin %s: %v", test.message, err)
		}
		c := make(chan interface{}, 5)
		go ses.Execute(test.query, c, 100)
		var (
			got      []interface{}
			timedOut bool
		)
		for r := range c {
			ses.Collate(r)
			j, err := ses.Results()
			if j == nil && err == nil {
				continue
			}
			if err == gremlin.ErrKillTimeout {
				timedOut = true
				continue
			}
			got = append(got, j.([]interface{})...)
		}

		if timedOut {
			t.Error("Query timed out: skipping validation.")
			continue
		}
		t.Logf("(%v)\n", time.Since(tInit))

		if len(got) != len(test.expect) {
			t.Errorf("Unexpected number of results, got:%d expect:%d on %s.", len(got), len(test.expect), test.message)
			continue
		}
		if unsortedEqual(got, test.expect) {
			continue
		}
		t.Errorf("Unexpected results for %s:\n", test.message)
		for i := range got {
			t.Errorf("\n\tgot:%#v\n\texpect:%#v\n", got[i], test.expect[i])
		}
	}
}

开发者ID:e4x，项目名称:cayley，代码行数:53，代码来源:integration_test.go

示例5: ServeV1Query

// TODO(barakmich): Turn this into proper middleware.
func (api *Api) ServeV1Query(w http.ResponseWriter, r *http.Request, params httprouter.Params) int {
	var ses query.HttpSession
	switch params.ByName("query_lang") {
	case "gremlin":
		ses = gremlin.NewSession(api.ts, api.config.GremlinTimeout, false)
	case "mql":
		ses = mql.NewSession(api.ts)
	default:
		return FormatJson400(w, "Need a query language.")
	}
	bodyBytes, err := ioutil.ReadAll(r.Body)
	if err != nil {
		return FormatJson400(w, err)
	}
	code := string(bodyBytes)
	result, err := ses.InputParses(code)
	switch result {
	case query.Parsed:
		var output interface{}
		var bytes []byte
		var err error
		output, err = RunJsonQuery(code, ses)
		if err != nil {
			bytes, err = WrapErrResult(err)
			http.Error(w, string(bytes), 400)
			ses = nil
			return 400
		}
		bytes, err = WrapResult(output)
		if err != nil {
			ses = nil
			return FormatJson400(w, err)
		}
		fmt.Fprint(w, string(bytes))
		ses = nil
		return 200
	case query.ParseFail:
		ses = nil
		return FormatJson400(w, err)
	default:
		ses = nil
		return FormatJsonError(w, 500, "Incomplete data?")
	}
	http.Error(w, "", http.StatusNotFound)
	ses = nil
	return http.StatusNotFound
}

开发者ID:neevor，项目名称:cayley，代码行数:48，代码来源:query.go

示例6: ServeV1Query

// TODO(barakmich): Turn this into proper middleware.
func (api *API) ServeV1Query(w http.ResponseWriter, r *http.Request, params httprouter.Params) int {
	h, err := api.GetHandleForRequest(r)
	var ses query.HTTP
	switch params.ByName("query_lang") {
	case "gremlin":
		ses = gremlin.NewSession(h.QuadStore, api.config.Timeout, false)
	case "mql":
		ses = mql.NewSession(h.QuadStore)
	default:
		return jsonResponse(w, 400, "Need a query language.")
	}
	bodyBytes, err := ioutil.ReadAll(r.Body)
	if err != nil {
		return jsonResponse(w, 400, err)
	}
	code := string(bodyBytes)
	result, err := ses.Parse(code)
	switch result {
	case query.Parsed:
		var output interface{}
		var bytes []byte
		var err error
		output, err = Run(code, ses)
		if err != nil {
			bytes, err = WrapErrResult(err)
			http.Error(w, string(bytes), 400)
			ses = nil
			return 400
		}
		bytes, err = WrapResult(output)
		if err != nil {
			ses = nil
			return jsonResponse(w, 400, err)
		}
		fmt.Fprint(w, string(bytes))
		ses = nil
		return 200
	case query.ParseFail:
		ses = nil
		return jsonResponse(w, 400, err)
	default:
		ses = nil
		return jsonResponse(w, 500, "Incomplete data?")
	}
}

开发者ID:e4x，项目名称:cayley，代码行数:46，代码来源:query.go

示例7: runBench

func runBench(n int, b *testing.B) {
	if testing.Short() && benchmarkQueries[n].long {
		b.Skip()
	}
	prepare(b)
	ses := gremlin.NewSession(ts, cfg.GremlinTimeout, true)
	_, err := ses.InputParses(benchmarkQueries[n].query)
	if err != nil {
		b.Fatalf("Failed to parse benchmark gremlin %s: %v", benchmarkQueries[n].message, err)
	}
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		c := make(chan interface{}, 5)
		go ses.ExecInput(benchmarkQueries[n].query, c, 100)
		for _ = range c {
		}
	}
}

开发者ID:neevor，项目名称:cayley，代码行数:18，代码来源:cayley_test.go

示例8: runBench

func runBench(n int, b *testing.B) {
	if testing.Short() && benchmarkQueries[n].long {
		b.Skip()
	}
	prepare(b)
	b.StopTimer()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		c := make(chan interface{}, 5)
		ses := gremlin.NewSession(handle.QuadStore, cfg.Timeout, true)
		// Do the parsing we know works.
		ses.Parse(benchmarkQueries[n].query)
		b.StartTimer()
		go ses.Execute(benchmarkQueries[n].query, c, 100)
		for _ = range c {
		}
		b.StopTimer()
	}
}

开发者ID:WZhuo，项目名称:cayley，代码行数:19，代码来源:integration_test.go

示例9: TestQueries

func TestQueries(t *testing.T) {
	prepare(t)
	for _, test := range benchmarkQueries {
		if testing.Short() && test.long {
			continue
		}
		ses := gremlin.NewSession(ts, cfg.Timeout, true)
		_, err := ses.InputParses(test.query)
		if err != nil {
			t.Fatalf("Failed to parse benchmark gremlin %s: %v", test.message, err)
		}
		c := make(chan interface{}, 5)
		go ses.ExecInput(test.query, c, 100)
		var (
			got      [][]interface{}
			timedOut bool
		)
		for r := range c {
			ses.BuildJson(r)
			j, err := ses.GetJson()
			if j == nil && err == nil {
				continue
			}
			if err == gremlin.ErrKillTimeout {
				timedOut = true
				continue
			}
			got = append(got, j)
		}

		if timedOut {
			t.Error("Query timed out: skipping validation.")
			continue
		}

		// TODO(kortschak) Be more rigorous in this result validation.
		if len(got) != len(test.expect) {
			t.Errorf("Unexpected number of results, got:%d expect:%d on %s.", len(got), len(test.expect), test.message)
		}
	}
}

开发者ID:jacqui，项目名称:cayley，代码行数:41，代码来源:cayley_test.go

示例10: findProperty

func findProperty(graph *cayleyGraph.Handle, rsp http.ResponseWriter, req *http.Request) int {
	result := make(map[string]interface{})
	retcode := 200

	pathVars := mux.Vars(req)
	result["request"] = pathVars

	session := cayleyGremlin.NewSession(graph.QuadStore, time.Duration(10*time.Second), false)
	gremlinQuery := fmt.Sprintf(`g.V("/properties/%s").All()`, pathVars["id"])

	queryResult, err := session.Parse(gremlinQuery)
	switch queryResult {
	case cayleyQuery.Parsed:
		output, err := runGremlinQuery(gremlinQuery, session)
		if err != nil {
			result["success"] = false
			result["error"] = err
			retcode = 400
			break
		}

		result["success"] = true
		result["output"] = output
	case cayleyQuery.ParseFail:
		result["success"] = false
		result["error"] = fmt.Sprintf("Failed to parse query: %s", err)
		retcode = 400
	default:
		result["success"] = false
		result["error"] = "Possibly incomplete data or query?"
		retcode = 500
	}

	bytes, _ := json.MarshalIndent(result, "", "  ")
	fmt.Fprintln(rsp, string(bytes))
	return retcode
}

开发者ID:rentpath，项目名称:ogma-prime，代码行数:37，代码来源:ogma-prime.go

示例11: Repl

func Repl(ts graph.TripleStore, queryLanguage string, cfg *config.Config) error {
	var ses query.Session
	switch queryLanguage {
	case "sexp":
		ses = sexp.NewSession(ts)
	case "mql":
		ses = mql.NewSession(ts)
	case "gremlin":
		fallthrough
	default:
		ses = gremlin.NewSession(ts, cfg.Timeout, true)
	}
	buf := bufio.NewReader(os.Stdin)
	var line []byte
	for {
		if len(line) == 0 {
			fmt.Print("cayley> ")
		} else {
			fmt.Print("...       ")
		}
		l, prefix, err := buf.ReadLine()
		if err == io.EOF {
			if len(line) != 0 {
				line = line[:0]
			} else {
				return nil
			}
		}
		if err != nil {
			line = line[:0]
		}
		if prefix {
			return errors.New("line too long")
		}
		line = append(line, l...)
		if len(line) == 0 {
			continue
		}
		line = bytes.TrimSpace(line)
		if len(line) == 0 || line[0] == '#' {
			line = line[:0]
			continue
		}
		if bytes.HasPrefix(line, []byte(":debug")) {
			ses.ToggleDebug()
			fmt.Println("Debug Toggled")
			line = line[:0]
			continue
		}
		if bytes.HasPrefix(line, []byte(":a")) {
			var tripleStmt = line[3:]
			triple, err := cquads.Parse(string(tripleStmt))
			if !triple.IsValid() {
				if err != nil {
					fmt.Printf("not a valid triple: %v\n", err)
				}
				line = line[:0]
				continue
			}
			ts.AddTriple(triple)
			line = line[:0]
			continue
		}
		if bytes.HasPrefix(line, []byte(":d")) {
			var tripleStmt = line[3:]
			triple, err := cquads.Parse(string(tripleStmt))
			if !triple.IsValid() {
				if err != nil {
					fmt.Printf("not a valid triple: %v\n", err)
				}
				line = line[:0]
				continue
			}
			ts.RemoveTriple(triple)
			line = line[:0]
			continue
		}
		result, err := ses.InputParses(string(line))
		switch result {
		case query.Parsed:
			Run(string(line), ses)
			line = line[:0]
		case query.ParseFail:
			fmt.Println("Error: ", err)
			line = line[:0]
		case query.ParseMore:
		}
	}
}

开发者ID:jacqui，项目名称:cayley，代码行数:89，代码来源:repl.go

示例12: Repl

func Repl(h *graph.Handle, queryLanguage string, cfg *config.Config) error {
	var ses query.Session
	switch queryLanguage {
	case "sexp":
		ses = sexp.NewSession(h.QuadStore)
	case "mql":
		ses = mql.NewSession(h.QuadStore)
	case "gremlin":
		fallthrough
	default:
		ses = gremlin.NewSession(h.QuadStore, cfg.Timeout, true)
	}

	term, err := terminal(history)
	if os.IsNotExist(err) {
		fmt.Printf("creating new history file: %q\n", history)
	}
	defer persist(term, history)

	var (
		prompt = ps1

		code string
	)

	for {
		if len(code) == 0 {
			prompt = ps1
		} else {
			prompt = ps2
		}
		line, err := term.Prompt(prompt)
		if err != nil {
			if err == io.EOF {
				fmt.Println()
				return nil
			}
			return err
		}

		term.AppendHistory(line)

		line = strings.TrimSpace(line)
		if len(line) == 0 || line[0] == '#' {
			continue
		}

		if code == "" {
			cmd, args := splitLine(line)

			switch cmd {
			case ":debug":
				args = strings.TrimSpace(args)
				var debug bool
				switch args {
				case "t":
					debug = true
				case "f":
					// Do nothing.
				default:
					debug, err = strconv.ParseBool(args)
					if err != nil {
						fmt.Printf("Error: cannot parse %q as a valid boolean - acceptable values: 't'|'true' or 'f'|'false'\n", args)
						continue
					}
				}
				ses.Debug(debug)
				fmt.Printf("Debug set to %t\n", debug)
				continue

			case ":a":
				quad, err := cquads.Parse(args)
				if err != nil {
					fmt.Printf("Error: not a valid quad: %v\n", err)
					continue
				}

				h.QuadWriter.WriteQuad(quad)
				continue

			case ":d":
				quad, err := cquads.Parse(args)
				if err != nil {
					fmt.Printf("Error: not a valid quad: %v\n", err)
					continue
				}
				err = h.QuadWriter.RemoveQuad(quad)
				if err != nil {
					fmt.Printf("error deleting: %v\n", err)
				}
				continue

			case "exit":
				term.Close()
				os.Exit(0)

			default:
				if cmd[0] == ':' {
					fmt.Printf("Unknown command: %q\n", cmd)
					continue
//.........这里部分代码省略.........

开发者ID:dennwc，项目名称:cayley，代码行数:101，代码来源:repl.go

示例13: Repl

func Repl(ts graph.TripleStore, queryLanguage string, cfg *config.Config) {
	var ses graph.Session
	switch queryLanguage {
	case "sexp":
		ses = sexp.NewSession(ts)
	case "mql":
		ses = mql.NewSession(ts)
	case "gremlin":
		fallthrough
	default:
		ses = gremlin.NewSession(ts, cfg.GremlinTimeout, true)
	}
	inputBf := bufio.NewReader(os.Stdin)
	line := ""
	for {
		if line == "" {
			fmt.Print("cayley> ")
		} else {
			fmt.Print("...       ")
		}
		l, pre, err := inputBf.ReadLine()
		if err == io.EOF {
			if line != "" {
				line = ""
			} else {
				break
			}
		}
		if err != nil {
			line = ""
		}
		if pre {
			panic("Line too long")
		}
		line += string(l)
		if line == "" {
			continue
		}
		if strings.HasPrefix(line, ":debug") {
			ses.ToggleDebug()
			fmt.Println("Debug Toggled")
			line = ""
			continue
		}
		if strings.HasPrefix(line, ":a") {
			var tripleStmt = line[3:]
			triple := nquads.Parse(tripleStmt)
			if triple == nil {
				fmt.Println("Not a valid triple.")
				line = ""
				continue
			}
			ts.AddTriple(triple)
			line = ""
			continue
		}
		if strings.HasPrefix(line, ":d") {
			var tripleStmt = line[3:]
			triple := nquads.Parse(tripleStmt)
			if triple == nil {
				fmt.Println("Not a valid triple.")
				line = ""
				continue
			}
			ts.RemoveTriple(triple)
			line = ""
			continue
		}
		result, err := ses.InputParses(line)
		switch result {
		case graph.Parsed:
			Run(line, ses)
			line = ""
		case graph.ParseFail:
			fmt.Println("Error: ", err)
			line = ""
		case graph.ParseMore:
		default:
		}
	}
}

开发者ID:ZSIT，项目名称:cayley，代码行数:81，代码来源:repl.go

示例14: Repl

func Repl(h *graph.Handle, queryLanguage string, cfg *config.Config) error {
	var ses query.Session
	switch queryLanguage {
	case "sexp":
		ses = sexp.NewSession(h.QuadStore)
	case "mql":
		ses = mql.NewSession(h.QuadStore)
	case "gremlin":
		fallthrough
	default:
		ses = gremlin.NewSession(h.QuadStore, cfg.Timeout, true)
	}

	term, err := terminal(history)
	if os.IsNotExist(err) {
		fmt.Printf("creating new history file: %q\n", history)
	}
	defer persist(term, history)

	var (
		prompt = ps1

		code string
	)

	for {
		if len(code) == 0 {
			prompt = ps1
		} else {
			prompt = ps2
		}
		line, err := term.Prompt(prompt)
		if err != nil {
			if err == io.EOF {
				fmt.Println()
				return nil
			}
			return err
		}

		term.AppendHistory(line)

		line = strings.TrimSpace(line)
		if len(line) == 0 || line[0] == '#' {
			continue
		}

		if code == "" {
			switch {
			case strings.HasPrefix(line, ":debug"):
				ses.ToggleDebug()
				fmt.Println("Debug Toggled")
				continue

			case strings.HasPrefix(line, ":a"):
				quad, err := cquads.Parse(line[3:])
				if !quad.IsValid() {
					if err != nil {
						fmt.Printf("not a valid quad: %v\n", err)
					}
					continue
				}
				h.QuadWriter.AddQuad(quad)
				continue

			case strings.HasPrefix(line, ":d"):
				quad, err := cquads.Parse(line[3:])
				if !quad.IsValid() {
					if err != nil {
						fmt.Printf("not a valid quad: %v\n", err)
					}
					continue
				}
				h.QuadWriter.RemoveQuad(quad)
				continue
			}
		}

		code += line

		result, err := ses.InputParses(code)
		switch result {
		case query.Parsed:
			Run(code, ses)
			code = ""
		case query.ParseFail:
			fmt.Println("Error: ", err)
			code = ""
		case query.ParseMore:
		}
	}
}

开发者ID:JesseLivingston，项目名称:cayley，代码行数:92，代码来源:repl.go

注：本文中的github.com/google/cayley/query/gremlin.NewSession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。