-
Notifications
You must be signed in to change notification settings - Fork 8
/
registry.go
137 lines (113 loc) · 3.44 KB
/
registry.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
package polaris
import (
"container/list"
"fmt"
"reflect"
"time"
mapset "github.com/deckarep/golang-set/v2"
)
var dataStore IDataStore
func InitRegistry(ds IDataStore) {
dataStore = ds
}
func RegisterWorkflow(workflowKey string, workflow IWorkflow) error {
if dataStore == nil {
sugar.Errorf("Datastore uninitialized. Could not register: ", reflect.TypeOf(workflow))
return fmt.Errorf("DATASTORE_UNINITIALIZED")
}
if workflow.GetWorkflowMeta().TargetData == nil {
sugar.Errorf("Empty target data. Could not register: ", reflect.TypeOf(workflow))
return fmt.Errorf("TARGET_DATA_NIL")
}
sugar.Infof("Registering workflow: %s", reflect.TypeOf(workflow))
metaDataManager, err := newMetaDataManager(workflow)
if err != nil {
return err
}
dataFlow := newDataFlow(workflow, &metaDataManager)
dataStore.Write(workflowKey, dataFlow)
sugar.Infof("Registering %s took ", reflect.TypeOf(workflow), time.Now())
return nil
}
func buildSet(data []IData) mapset.Set[string] {
set := mapset.NewSet[string]()
for _, d := range data {
set.Add(Name(d))
}
return set
}
func newBuilderMeta(builder IBuilder) BuilderMeta {
builderInfo := builder.GetBuilderInfo()
return BuilderMeta{
Consumes: buildSet(builderInfo.Consumes),
Optionals: buildSet(builderInfo.Optionals),
Accesses: buildSet(builderInfo.Accesses),
Produces: Name(builderInfo.Produces),
Name: Name(builder),
Type: reflect.TypeOf(builder),
}
}
type DataFlow struct {
Name string
TargetData string
DependencyHierarchy [][]BuilderMeta
metaDataManager MetaDataManager
}
func newDataFlow(workflow IWorkflow, metaDataManager *MetaDataManager) DataFlow {
return DataFlow{
Name: Name(workflow),
TargetData: Name(workflow.GetWorkflowMeta().TargetData),
metaDataManager: *metaDataManager,
DependencyHierarchy: generateDependencyHierarchy(metaDataManager),
}
}
func generateDependencyHierarchy(metaDataManager *MetaDataManager) [][]BuilderMeta {
dependencyGraph := make(map[string][]BuilderMeta)
inDegree := make(map[string]int, 0)
depedencyHierarchy := make([][]BuilderMeta, 0)
for name, builderMeta := range metaDataManager.builderMetaMap {
consumes := builderMeta.EffectiveConsumes()
for _, c := range consumes.ToSlice() {
if _, ok := dependencyGraph[name]; !ok {
dependencyGraph[name] = make([]BuilderMeta, 0)
}
if producedBy, ok := metaDataManager.producedToProducerMap[c]; ok {
if val, ok := metaDataManager.builderMetaMap[producedBy.Name]; ok {
dependencyGraph[name] = append(dependencyGraph[name], val)
}
}
}
}
graph := make(map[string][]string)
for node, dependencies := range dependencyGraph {
inDegree[node] = 0
for _, dependency := range dependencies {
graph[dependency.Name] = append(graph[dependency.Name], node)
inDegree[node]++
}
}
queue := list.New()
for node := range dependencyGraph {
if inDegree[node] == 0 {
queue.PushBack(node)
}
}
for queue.Len() > 0 {
levelSize := queue.Len()
currentLevel := []BuilderMeta{}
for i := 0; i < levelSize; i++ {
element := queue.Front()
node := element.Value.(string)
queue.Remove(element)
currentLevel = append(currentLevel, metaDataManager.builderMetaMap[node])
for _, builder := range graph[node] {
inDegree[builder]--
if inDegree[builder] == 0 {
queue.PushBack(builder)
}
}
}
depedencyHierarchy = append(depedencyHierarchy, currentLevel)
}
return depedencyHierarchy
}