规则链

.idea/.gitignore

@@ -0,0 +1,9 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
+./idea

pkg/rule_engine/instance.go

@@ -2,10 +2,12 @@ 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,
@@ -38,6 +40,30 @@ func newInstanceWithManifest(m *manifest.Manifest) (*ruleChainInstance, []error)
 		firstRuleNodeId: m.FirstRuleNodeId,
 		nodes:           nodes,
 	}
+
+	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
+		}
+		types := make([]string, 0)
+		if _, ok := edge.Properties["lineType"]; !ok {
+			types = append(types, "True")
+		} else {
+			types = strings.Split(edge.Properties["lineType"].(string), "/")
+		}
+		for _, ty := range types {
+			originalNode.AddLinkedNode(ty, targetNode)
+		}
+	}
 	return r, errs
 }
 

pkg/rule_engine/manifest/manifest_sample.json

@@ -1,125 +1,129 @@
 {
   "nodes": [
     {
-      "id": "3b6b8df4-445f-4e70-9674-f7aa486b3d81",
+      "id": "d2cc123c-d0d7-4830-8547-21d5e52b4011",
       "type": "InputNode",
-      "x": 280,
-      "y": 280,
+      "x": 120,
+      "y": 340,
       "properties": {
-        "icon": "/src/assets/icon_module/svg/start.svg",
-        "debugMode": false
+        "debugMode": false,
+        "status": false
       },
-      "zIndex": 1002,
+      "zIndex": 1013,
       "text": {
-        "x": 290,
-        "y": 280,
+        "x": 130,
+        "y": 340,
         "value": "输入"
       }
     },
     {
-      "id": "45afb241-1977-4cbf-8af3-c12844d5666b",
-      "type": "DelayNode",
-      "x": 600,
-      "y": 160,
+      "id": "6c497a23-ece2-41fa-927d-9e2e9a1c7316",
+      "type": "MyNode",
+      "x": 400,
+      "y": 340,
       "properties": {
-        "icon": "/src/assets/icon_module/svg/function.svg",
-        "debugMode": false
+        "debugMode": false,
+        "status": false
       },
-      "zIndex": 1004,
+      "zIndex": 1002,
       "text": {
-        "x": 610,
-        "y": 160,
-        "value": "延迟"
+        "x": 410,
+        "y": 340,
+        "value": "测试节点"
       }
     },
     {
-      "id": "95047b03-e966-4685-b625-3cea27415706",
-      "type": "SwitchNode",
-      "x": 600,
-      "y": 460,
+      "id": "7235c088-73e0-4683-982a-77b0fd31313d",
+      "type": "MyNode",
+      "x": 660,
+      "y": 340,
       "properties": {
-        "icon": "/src/assets/icon_module/svg/switch.svg",
         "debugMode": false,
-        "scripts": "return {\n    msg: msg,\n    metadata: metadata,\n    msgType: msgType\n};"
+        "status": false
       },
-      "zIndex": 1006,
+      "zIndex": 1005,
       "text": {
-        "x": 610,
-        "y": 460,
-        "value": "分流"
+        "x": 670,
+        "y": 340,
+        "value": "测试节点"
       }
     }
   ],
   "edges": [
     {
-      "id": "fde7f2de-cc0f-467d-a614-4505f058dc2a",
+      "id": "b6c8b0c4-1481-40d3-b345-780f96efa909",
       "type": "bezier-link",
-      "sourceNodeId": "3b6b8df4-445f-4e70-9674-f7aa486b3d81",
-      "targetNodeId": "45afb241-1977-4cbf-8af3-c12844d5666b",
+      "sourceNodeId": "d2cc123c-d0d7-4830-8547-21d5e52b4011",
+      "targetNodeId": "6c497a23-ece2-41fa-927d-9e2e9a1c7316",
       "startPoint": {
-        "x": 340,
-        "y": 280
+        "x": 180,
+        "y": 340
       },
       "endPoint": {
-        "x": 540,
-        "y": 160
+        "x": 340,
+        "y": 340
       },
       "properties": {
-        "type": "Success"
+        "lineType": "True"
       },
-      "zIndex": 1007,
+      "zIndex": 1003,
       "pointsList": [
+        {
+          "x": 180,
+          "y": 340
+        },
+        {
+          "x": 280,
+          "y": 340
+        },
+        {
+          "x": 240,
+          "y": 340
+        },
         {
           "x": 340,
-          "y": 280
-        },
-        {
-          "x": 440,
-          "y": 280
-        },
-        {
-          "x": 440,
-          "y": 160
-        },
-        {
-          "x": 540,
-          "y": 160
+          "y": 340
         }
       ]
     },
     {
-      "id": "986878cc-a9be-42b5-afc0-6c0a169c4e4d",
+      "id": "1e38236e-716b-44e7-8d96-6424f63fdacc",
       "type": "bezier-link",
-      "sourceNodeId": "3b6b8df4-445f-4e70-9674-f7aa486b3d81",
-      "targetNodeId": "95047b03-e966-4685-b625-3cea27415706",
+      "sourceNodeId": "6c497a23-ece2-41fa-927d-9e2e9a1c7316",
+      "targetNodeId": "7235c088-73e0-4683-982a-77b0fd31313d",
       "startPoint": {
-        "x": 340,
-        "y": 280
+        "x": 460,
+        "y": 340
       },
       "endPoint": {
-        "x": 540,
-        "y": 460
+        "x": 600,
+        "y": 340
       },
       "properties": {
-        "type": "Failure"
+        "lineType": "Next"
       },
-      "zIndex": 1008,
+      "text": {
+        "x": 530,
+        "y": 340,
+        "value": "Next"
+      },
+      "zIndex": 1006,
       "pointsList": [
         {
-          "x": 340,
-          "y": 280
+          "x": 460,
+          "y": 340
         },
         {
-          "x": 440,
-          "y": 280
+          "x": 560,
+          "y": 340
         },
         {
-          "x": 440,
-          "y": 460
+          "x": 500,
+          "y": 340
         },
         {
-          "x": 540,
-          "y": 460
+          "x": 600,
+          "y": 340
         }
       ]
     }

pkg/rule_engine/nodes/action_my_node.go

@@ -0,0 +1,29 @@
+package nodes
+
+import (
+	"log"
+	"pandax/pkg/rule_engine/message"
+)
+
+type MyNode struct {
+	bareNode
+}
+
+type myNodeFactory struct{}
+
+func (f myNodeFactory) Name() string     { return "MyNode" }
+func (f myNodeFactory) Category() string { return NODE_CATEGORY_ACTION }
+func (f myNodeFactory) Labels() []string { return []string{"Next", "Next2"} }
+func (f myNodeFactory) Create(id string, meta Metadata) (Node, error) {
+	node := &MyNode{
+		bareNode: newBareNode(f.Name(), id, meta, f.Labels()),
+	}
+	return decodePath(meta, node)
+}
+
+func (n *MyNode) Handle(msg message.Message) error {
+	nextLableNode := n.GetLinkedNode("Next")
+
+	log.Println(nextLableNode.Name())
+	return nil
+}

pkg/rule_engine/nodes/init.go

@@ -31,4 +31,6 @@ func init() {
 	RegisterFactory(externalSendSmsNodeFactory{})
 	RegisterFactory(externalRuleChainNodeFactory{})
 
+	RegisterFactory(myNodeFactory{})
+
 }

pkg/rule_engine/nodes/input_node.go

@@ -15,7 +15,7 @@ type inputNodeFactory struct{}
 
 func (f inputNodeFactory) Name() string     { return "InputNode" }
 func (f inputNodeFactory) Category() string { return NODE_CATEGORY_OTHERS }
-func (f inputNodeFactory) Labels() []string { return []string{} }
+func (f inputNodeFactory) Labels() []string { return []string{"True"} }
 func (f inputNodeFactory) Create(id string, meta Metadata) (Node, error) {
 	node := &inputNode{
 		bareNode: newBareNode(InputNodeName, id, meta, f.Labels()),