本文整理匯總了Golang中github.com/dgraph-io/dgraph/x.DirectedEdge.Value方法的典型用法代碼示例。如果您正苦於以下問題：Golang DirectedEdge.Value方法的具體用法？Golang DirectedEdge.Value怎麽用？Golang DirectedEdge.Value使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/dgraph-io/dgraph/x.DirectedEdge的用法示例。
在下文中一共展示了DirectedEdge.Value方法的3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: TestProcessTask
func TestProcessTask(t *testing.T) {
// logrus.SetLevel(logrus.DebugLevel)
dir, err := ioutil.TempDir("", "storetest_")
if err != nil {
t.Error(err)
return
}
defer os.RemoveAll(dir)
ps := new(store.Store)
ps.Init(dir)
clog := commit.NewLogger(dir, "mutations", 50<<20)
clog.Init()
defer clog.Close()
Init(ps, clog)
edge := x.DirectedEdge{
ValueId: 23,
Source: "author0",
Timestamp: time.Now(),
}
addEdge(t, edge, GetOrCreate(Key(10, "friend")))
addEdge(t, edge, GetOrCreate(Key(11, "friend")))
addEdge(t, edge, GetOrCreate(Key(12, "friend")))
edge.ValueId = 25
addEdge(t, edge, GetOrCreate(Key(12, "friend")))
edge.ValueId = 26
addEdge(t, edge, GetOrCreate(Key(12, "friend")))
edge.ValueId = 31
addEdge(t, edge, GetOrCreate(Key(10, "friend")))
addEdge(t, edge, GetOrCreate(Key(12, "friend")))
edge.Value = "photon"
addEdge(t, edge, GetOrCreate(Key(12, "friend")))
query := NewQuery("friend", []uint64{10, 11, 12})
result, err := ProcessTask(query)
if err != nil {
t.Error(err)
}
ro := flatbuffers.GetUOffsetT(result)
r := new(task.Result)
r.Init(result, ro)
if r.UidmatrixLength() != 3 {
t.Errorf("Expected 3. Got uidmatrix length: %v", r.UidmatrixLength())
}
if err := check(r, 0, []uint64{23, 31}); err != nil {
t.Error(err)
}
if err := check(r, 1, []uint64{23}); err != nil {
t.Error(err)
}
if err := check(r, 2, []uint64{23, 25, 26, 31}); err != nil {
t.Error(err)
}
if r.ValuesLength() != 3 {
t.Errorf("Expected 3. Got values length: %v", r.ValuesLength())
}
var tval task.Value
if ok := r.Values(&tval, 0); !ok {
t.Errorf("Unable to retrieve value")
}
if tval.ValLength() != 1 ||
tval.ValBytes()[0] != 0x00 {
t.Errorf("Invalid byte value at index 0")
}
if ok := r.Values(&tval, 1); !ok {
t.Errorf("Unable to retrieve value")
}
if tval.ValLength() != 1 ||
tval.ValBytes()[0] != 0x00 {
t.Errorf("Invalid byte value at index 0")
}
if ok := r.Values(&tval, 2); !ok {
t.Errorf("Unable to retrieve value")
}
var iout interface{}
if err := ParseValue(&iout, tval.ValBytes()); err != nil {
t.Error(err)
}
v := iout.(string)
if v != "photon" {
t.Errorf("Expected photon. Got: %q", v)
}
}示例2: TestAddMutation_Value
func TestAddMutation_Value(t *testing.T) {
// logrus.SetLevel(logrus.DebugLevel)
glog.Debug("Running init...")
ol := NewList()
key := Key(10, "value")
dir, err := ioutil.TempDir("", "storetest_")
if err != nil {
t.Error(err)
return
}
defer os.RemoveAll(dir)
ps := new(store.Store)
ps.Init(dir)
clog := commit.NewLogger(dir, "mutations", 50<<20)
clog.Init()
defer clog.Close()
ol.init(key, ps, clog)
glog.Debug("Init successful.")
edge := x.DirectedEdge{
Value: "oh hey there",
Source: "new-testing",
Timestamp: time.Now(),
}
if err := ol.AddMutation(edge, Set); err != nil {
t.Error(err)
}
var p types.Posting
ol.Get(&p, 0)
if p.Uid() != math.MaxUint64 {
t.Errorf("All value uids should go to MaxUint64. Got: %v", p.Uid())
}
var iout interface{}
if err := ParseValue(&iout, p.ValueBytes()); err != nil {
t.Error(err)
}
out := iout.(string)
if out != "oh hey there" {
t.Errorf("Expected a value. Got: [%q]", out)
}
// Run the same check after committing.
if _, err := ol.MergeIfDirty(); err != nil {
t.Error(err)
}
{
var tp types.Posting
if ok := ol.Get(&tp, 0); !ok {
t.Error("While retrieving posting")
}
if err := ParseValue(&iout, tp.ValueBytes()); err != nil {
t.Error(err)
}
out := iout.(string)
if out != "oh hey there" {
t.Errorf("Expected a value. Got: [%q]", out)
}
}
// The value made it to the posting list. Changing it now.
edge.Value = 119
if err := ol.AddMutation(edge, Set); err != nil {
t.Error(err)
}
if ol.Length() != 1 {
t.Errorf("Length should be one. Got: %v", ol.Length())
}
if ok := ol.Get(&p, 0); !ok {
t.Error("While retrieving posting")
}
if err := ParseValue(&iout, p.ValueBytes()); err != nil {
t.Error(err)
}
intout := iout.(float64)
if intout != 119 {
t.Errorf("Expected 119. Got: %v", intout)
}
}示例3: populateGraph
func populateGraph(t *testing.T) (string, *store.Store) {
// logrus.SetLevel(logrus.DebugLevel)
dir, err := ioutil.TempDir("", "storetest_")
if err != nil {
t.Error(err)
return "", nil
}
ps := new(store.Store)
ps.Init(dir)
worker.Init(ps)
clog := commit.NewLogger(dir, "mutations", 50<<20)
clog.Init()
posting.Init(clog)
// So, user we're interested in has uid: 1.
// She has 4 friends: 23, 24, 25, 31, and 101
edge := x.DirectedEdge{
ValueId: 23,
Source: "testing",
Timestamp: time.Now(),
}
addEdge(t, edge, posting.GetOrCreate(posting.Key(1, "friend"), ps))
edge.ValueId = 24
addEdge(t, edge, posting.GetOrCreate(posting.Key(1, "friend"), ps))
edge.ValueId = 25
addEdge(t, edge, posting.GetOrCreate(posting.Key(1, "friend"), ps))
edge.ValueId = 31
addEdge(t, edge, posting.GetOrCreate(posting.Key(1, "friend"), ps))
edge.ValueId = 101
addEdge(t, edge, posting.GetOrCreate(posting.Key(1, "friend"), ps))
// Now let's add a few properties for the main user.
edge.Value = "Michonne"
addEdge(t, edge, posting.GetOrCreate(posting.Key(1, "name"), ps))
edge.Value = "female"
addEdge(t, edge, posting.GetOrCreate(posting.Key(1, "gender"), ps))
edge.Value = "alive"
addEdge(t, edge, posting.GetOrCreate(posting.Key(1, "status"), ps))
// Now let's add a name for each of the friends, except 101.
edge.Value = "Rick Grimes"
addEdge(t, edge, posting.GetOrCreate(posting.Key(23, "name"), ps))
edge.Value = "Glenn Rhee"
addEdge(t, edge, posting.GetOrCreate(posting.Key(24, "name"), ps))
edge.Value = "Daryl Dixon"
addEdge(t, edge, posting.GetOrCreate(posting.Key(25, "name"), ps))
edge.Value = "Andrea"
addEdge(t, edge, posting.GetOrCreate(posting.Key(31, "name"), ps))
return dir, ps
}