mso to add additional validation for alacarte

Initial check in for querying AAI via DSL
remove code which is not needed from validator

Issue-ID: SO-2781
Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
Change-Id: I2828d9c107e747bac4dad02c46c2b505ca96a214

2 files changed, 29 insertions, 2 deletions

diff --git a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/infra/rest/AAIDataRetrieval.java b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/infra/rest/AAIDataRetrieval.java
index 4e3d8736c2..a522129c31 100644
--- a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/infra/rest/AAIDataRetrieval.java
+++ b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/infra/rest/AAIDataRetrieval.java
@@ -1,19 +1,29 @@
 package org.onap.so.apihandlerinfra.infra.rest;
 
+import java.util.List;
 import java.util.Optional;
 import org.onap.aai.domain.yang.GenericVnf;
 import org.onap.aai.domain.yang.L3Network;
+import org.onap.aai.domain.yang.LInterface;
 import org.onap.aai.domain.yang.Service;
 import org.onap.aai.domain.yang.ServiceInstance;
 import org.onap.aai.domain.yang.Tenant;
 import org.onap.aai.domain.yang.VfModule;
 import org.onap.aai.domain.yang.VolumeGroup;
 import org.onap.so.apihandlerinfra.infra.rest.exception.AAIEntityNotFound;
+import org.onap.so.client.aai.AAIDSLQueryClient;
 import org.onap.so.client.aai.AAIObjectPlurals;
 import org.onap.so.client.aai.AAIObjectType;
 import org.onap.so.client.aai.AAIResourcesClient;
 import org.onap.so.client.aai.entities.AAIResultWrapper;
 import org.onap.so.client.aai.entities.uri.AAIUriFactory;
+import org.onap.so.client.graphinventory.entities.DSLQuery;
+import org.onap.so.client.graphinventory.entities.DSLQueryBuilder;
+import org.onap.so.client.graphinventory.entities.DSLStartNode;
+import org.onap.so.client.graphinventory.entities.Node;
+import org.onap.so.client.graphinventory.entities.Start;
+import org.onap.so.client.graphinventory.entities.TraversalBuilder;
+import org.onap.so.client.graphinventory.entities.__;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Component;
@@ -25,6 +35,8 @@ public class AAIDataRetrieval {
 
     private AAIResourcesClient aaiResourcesClient;
 
+    private AAIDSLQueryClient aaiDslQueryClient;
+
     private static final Logger logger = LoggerFactory.getLogger(AAIDataRetrieval.class);
 
     public ServiceInstance getServiceInstance(String serviceInstanceId) {
@@ -129,6 +141,22 @@ public class AAIDataRetrieval {
                 });
     }
 
+    public List<LInterface> getLinterfacesOfVnf(String vnfId) {
+        DSLStartNode startNode = new DSLStartNode(AAIObjectType.GENERIC_VNF, __.key("generic-vnf-id", vnfId));
+        DSLQueryBuilder<Start, Node> builder = TraversalBuilder.fragment(startNode)
+                .to(__.node(AAIObjectType.VSERVER).to(__.node(AAIObjectType.L_INTERFACE).output()));
+        List<LInterface> linterfaces =
+                getAAIDSLQueryClient().querySingleResource(new DSLQuery(builder.build()), LInterface.class);
+        return linterfaces;
+    }
+
+    private AAIDSLQueryClient getAAIDSLQueryClient() {
+        if (aaiDslQueryClient == null) {
+            aaiDslQueryClient = new AAIDSLQueryClient();
+        }
+        return aaiDslQueryClient;
+    }
+
     protected AAIResourcesClient getAaiResourcesClient() {
         if (aaiResourcesClient == null) {
             aaiResourcesClient = new AAIResourcesClient();
diff --git a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/infra/rest/validators/ServiceInstanceDeleteValidator.java b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/infra/rest/validators/ServiceInstanceDeleteValidator.java
index 0c7ba65cf4..61f757ba64 100644
--- a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/infra/rest/validators/ServiceInstanceDeleteValidator.java
+++ b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/infra/rest/validators/ServiceInstanceDeleteValidator.java
@@ -6,11 +6,10 @@ import java.util.regex.Pattern;
 import org.onap.so.apihandlerinfra.Action;
 import org.onap.so.apihandlerinfra.Actions;
 import org.onap.so.apihandlerinfra.infra.rest.AAIDataRetrieval;
-import org.onap.so.listener.Skip;
 import org.onap.so.serviceinstancebeans.ServiceInstancesRequest;
 import org.springframework.beans.factory.annotation.Autowired;
 
-@Skip
+
 public class ServiceInstanceDeleteValidator implements RequestValidator {
 
     @Autowired