added links models to workflow

models/links.go

@@ -1,26 +1,34 @@
 package models
 
 import (
-	"fmt"
-	"reflect"
+	"cloud.o-forge.io/core/oc-catalog/models/rtype"
 )
 
 type Link struct {
-	source 			string
-	destination 	string
-	dcLink			bool
+	// ID        		primitive.ObjectID	`json:"ID" bson:"_id" required:"true" example:"5099803df3f4948bd2f98391"`
+	Source 			string				`json:"source" description:"id in the workflow of the source object"`
+	Destination 	string				`json:"destination" description:"id in the workflow of the destination object"`
+	DCLink			bool				`json:"dcLink" description:"is this a link with a datacenter"`
 }
 
-func NewLink(src interface{}, dst interface{}) (link Link) {
-	// Check type with reflect and get ID 
-	typeSrc := reflect.TypeOf(src)
-	typeDst := reflect.TypeOf(dst)
+// Use ResourceObject parameter to process certain components type differently
+// and Id's to identify each component as a node in an oriented graph
 
-	fmt.Println("src is %s\ndst is %s",typeSrc,typeDst)
+func NewLink(src ResourceObject, srcId string, dst ResourceObject, dstId string) (link Link) {
+
+	link.Source = srcId
+	link.Destination = dstId
+
+	if (src.getRtype() == rtype.DATACENTER || dst.getRtype() == rtype.DATACENTER){
+		link.DCLink = true
+
+		
+	}
+	
 	return
 }
 
-func (l *Link) AddLinkToDataCenter(component interface{}) {
-	// if the component has a DataCenter id attribute then add it (switch on type)
-} 
+// So far only computing components expect the ID of the DC in their attributes
+// func (l *Link) AddLinkToDataCenter(component models.ComputingModel) {
+// 	}