规则链

pkg/rule_engine/instance.go

@@ -2,12 +2,10 @@ package rule_engine
 
 import (
 	"context"
-	"fmt"
 	"github.com/sirupsen/logrus"
 	"pandax/pkg/rule_engine/manifest"
 	"pandax/pkg/rule_engine/message"
 	"pandax/pkg/rule_engine/nodes"
-	"strings"
 )
 
 // ruleChainInstance is rulechain's runtime instance that manage all nodes in this chain,
@@ -31,56 +29,15 @@ func NewRuleChainInstance(data []byte) (*ruleChainInstance, []error) {
 // newWithManifest create rule chain by user's manifest file
 func newInstanceWithManifest(m *manifest.Manifest) (*ruleChainInstance, []error) {
 	errs := make([]error, 0)
+	nodes, err := nodes.GetNodes(m)
+	if err != nil {
+		errs = append(errs, err)
+		return nil, errs
+	}
 	r := &ruleChainInstance{
 		firstRuleNodeId: m.FirstRuleNodeId,
-		nodes:           make(map[string]nodes.Node),
+		nodes:           nodes,
 	}
-	// Create All nodes
-	for _, n := range m.Nodes {
-		metadata := nodes.NewMetadataWithValues(n.Properties)
-		node, err := nodes.NewNode(n.Type, n.Id, metadata)
-		if err != nil {
-			errs = append(errs, err)
-			continue
-		}
-		if _, found := r.nodes[n.Id]; found {
-			err := fmt.Errorf("node '%s' already exist in rulechain", n.Id)
-			errs = append(errs, err)
-			continue
-		}
-		r.nodes[n.Id] = node
-	}
-	for _, edge := range m.Edges {
-		originalNode, found := r.nodes[edge.SourceNodeId]
-		if !found {
-			err := fmt.Errorf("original node '%s' no exist in", originalNode.Name())
-			errs = append(errs, err)
-			continue
-		}
-		targetNode, found := r.nodes[edge.TargetNodeId]
-		if !found {
-			err := fmt.Errorf("target node '%s' no exist in rulechain", targetNode.Name())
-			errs = append(errs, err)
-			continue
-		}
-		//可以有多个类型
-		split := strings.Split(edge.Properties["type"].(string), "/")
-		for _, ty := range split {
-			originalNode.AddLinkedNode(ty, targetNode)
-		}
-	}
-	for name, node := range r.nodes {
-		targetNodes := node.GetLinkedNodes()
-		mustLabels := node.MustLabels()
-		for _, label := range mustLabels {
-			if _, found := targetNodes[label]; !found {
-				err := fmt.Errorf("the label '%s' in node '%s' no exist'", label, name)
-				errs = append(errs, err)
-				continue
-			}
-		}
-	}
-
 	return r, errs
 }