diff --git a/models/workflow.go b/models/workflow.go
index d7b275b..d425b94 100644
--- a/models/workflow.go
+++ b/models/workflow.go
@@ -678,9 +678,59 @@ func (ws Workspace) ConsumeMxGraphModel(xmlmodel MxGraphModel) (returned_wf *Wor
 		}
 	}
 
-	issues = returned_wf.CreateLinks(xmlmodel.Root.MxLink, issues)
-	issues = returned_wf.CheckLinks(issues)
+	issues = returned_wf.createLinks(xmlmodel.Root.MxLink, issues)
+	issues = returned_wf.checkLinks(issues)
 
+	// dcslist := make(map[string]bool)
+	// dataslist := make(map[string]bool)
+	// // datalist := make(map[string]bool)
+
+
+	// // Test wether the computing components are linked with a DC
+	// for _, comp := range returned_wf.Computing {
+	// 	if comp.DataCenterID == "" {
+	// 		issues = append(issues, errors.New("Computing "+*comp.getName()+" without a Datacenter"))
+	// 	} else {
+	// 		// If doesn't exist in the list, means is new element to register as used
+	// 		dcslist[comp.DataCenterID] = true
+
+	// 	}
+
+	// 	for _, dcin := range comp.Inputs {
+	// 		switch returned_wf.GetResource(&dcin).getRtype() {
+	// 		case rtype.DATA:
+	// 			dataslist[dcin] = true
+	// 		}
+	// 	}
+
+	// 	for _, dcout := range comp.Outputs {
+	// 		switch returned_wf.GetResource(&dcout).getRtype() {
+	// 		case rtype.DATA:
+	// 			dataslist[dcout] = true
+	// 		}
+	// 	}
+
+	// }
+
+	// for _, storage_component := range returned_wf.Storage {
+	// 	if storage_component.Inputs == nil && storage_component.Outputs == nil {
+	// 		issues = append(issues, errors.New("Storage "+*storage_component.getName()+" without compatible inputs and outputs"))
+	// 	}
+	// }
+
+	// for dcID, dc_component := range returned_wf.Datacenter {
+	// 	// if rID doesn't exist in the list, it means that it's not used
+	// 	if _, ok := dcslist[dcID]; !ok {
+	// 		issues = append(issues, errors.New("DC "+*dc_component.getName()+" not attached to any Computing"))
+	// 	}
+	// }
+
+	// for dcID, data_component := range returned_wf.Data {
+	// 	// if rID doesn't exist in the list, it means that it's not used
+	// 	if _, ok := dataslist[dcID]; !ok {
+	// 		issues = append(issues, errors.New("Data "+*data_component.getName()+" not attached to any Computing"))
+	// 	}
+	// }
 
 	//////////////////////////////////////////////////////////
 	//														//
@@ -783,10 +833,10 @@ func (ws Workspace) ConsumeMxGraphModel(xmlmodel MxGraphModel) (returned_wf *Wor
 	return
 }
 
-func (w *Workflow) CreateLinks(links []MxLink, issues []error) []error {
-
-	for _, link := range links {
-		if len(link.Source) > 0 && len(link.Target) > 0 {
+func (w *Workflow) createLinks(links []MxLink, issues []error) []error {
+	
+	for _, link := range links {	
+		if (len(link.Source) > 0 && len(link.Target) > 0){
 			sourceObj := w.GetResource(&link.Source)
 			targetObj := w.GetResource(&link.Target)
 			link_object := NewLink(sourceObj, link.Source, targetObj, link.Target)
@@ -812,33 +862,33 @@ func (w *Workflow) processLinkErrors(link MxLink) (issue error) {
 	return issue
 }
 
-func (w *Workflow) CheckLinks(issues []error) []error {
-
+func (w *Workflow) checkLinks(issues []error) []error {
+	
 	// Check that storage components have a valid link
 	for id, storage := range w.Storage {
-		if !w.IsComponentSrc(id) && !w.IsComponentDst(id) {
+		if(!w.isComponentSrc(id) && !w.isComponentDst(id)){
 			issues = append(issues, errors.New("Storage "+*storage.getName()+" without compatible inputs and outputs"))
 		}
 	}
 
 	// Check that data components are linked to a computing component
 	for id, data := range w.Data {
-		if !w.HasLinkageToComputing(id) {
+		if(!w.isLinkedToComputing(id)){
 			issues = append(issues, errors.New("Data "+*data.getName()+" not attached to any Computing"))
 		}
 	}
 
 	// Check that DC is linked to a computing component
-	for id, dc := range w.Datacenter {
-		if !w.HasLinkageToComputing(id) {
+	for id, dc:= range w.Datacenter {
+		if(!w.isLinkedToComputing(id)){
 			issues = append(issues, errors.New("Datacenter "+*dc.getName()+" not attached to any Computing"))
 		}
 
 	}
 
 	// Check that all data computing components are linked to a DC
-	for id, comp := range w.Computing {
-		if !w.HasLinkageToDC(id) {
+	for id,comp:= range w.Computing {
+		if(!w.isLinkedToDC(id)){
 			issues = append(issues, errors.New("Computing "+*comp.getName()+" not attached to any datacenter"))
 		}
 
@@ -847,10 +897,10 @@ func (w *Workflow) CheckLinks(issues []error) []error {
 	return issues
 }
 
-func (w *Workflow) IsComponentSrc(id string) bool {
-
-	for _, link := range w.Links {
-		if link.Source == id && link.Source != "" {
+func (w *Workflow) isComponentSrc(id string) bool {
+	
+	for _, link := range w.Links{
+		if(link.Source == id && link.Source != ""){
 			return true
 		}
 	}
@@ -858,10 +908,10 @@ func (w *Workflow) IsComponentSrc(id string) bool {
 	return false
 }
 
-func (w *Workflow) IsComponentDst(id string) bool {
-
-	for _, link := range w.Links {
-		if link.Destination == id && link.Source != "" {
+func (w *Workflow) isComponentDst(id string) bool {
+	
+	for _, link := range w.Links{
+		if(link.Destination == id && link.Source != ""){
 			return true
 		}
 	}
@@ -869,10 +919,10 @@ func (w *Workflow) IsComponentDst(id string) bool {
 	return false
 }
 
-func (w *Workflow) HasLinkageToComputing(id string) bool {
+func (w *Workflow) isLinkedToComputing(id string) bool {
 
 	for idComputing, _ := range w.Computing {
-		if (w.IsComponentSrc(id) && w.IsComponentDst(idComputing)) || (w.IsComponentSrc(idComputing) && w.IsComponentDst(id)) {
+		if( (w.isComponentSrc(id) && w.isComponentDst(idComputing)) || (w.isComponentSrc(idComputing) && w.isComponentDst(id))){
 			return true
 		}
 
@@ -881,7 +931,7 @@ func (w *Workflow) HasLinkageToComputing(id string) bool {
 	return false
 }
 
-func (w *Workflow) HasLinkageToDC(id string) bool {
+func (w *Workflow) isLinkedToDC(id string) bool {
 
 	for _, link := range w.Links {
 		if link.Source == id && link.DCLink {
@@ -1104,18 +1154,3 @@ func (wf Workflow) mxCellToComponent(cell MxCell, ws Workspace) (resObj Resource
 	return
 }
 
-// func (ws Workspace) extractMxCell(xmlModel MxGraphModel){
-// 	// Iterate through all objects of the MxGraph
-// 	graphObjects := xmlModel.Root.MxObject
-// 	for _, object := range(*graphObjects){
-// 		current_obj_id, _ := strconv.Atoi(object.ID)
-// 		inside_cell_id := strconv.Itoa(current_obj_id + 1)
-
-// 		cell := ws.GetResource(&inside_cell_id)
-// 		// component := w.GetResource(cell.RID)
-// 		fmt.Print(cell)
-// 	}
-// 		// Extract the mxCell object
-// 		// Invoke the addParameter method from the component
-// 		// Edit the ID to get the object's one
-// }