Add resources summarizing function in service instance.

Issue-ID: VID-724
Signed-off-by: Alexey Sandler <alexey.sandler@intl.att.com>
Change-Id: I9f4d6201cadd31e84ef90f25a619d95bf74eb9ae
Signed-off-by: Alexey Sandler <alexey.sandler@intl.att.com>

1 files changed, 30 insertions, 0 deletions

diff --git a/vid-app-common/src/main/java/org/onap/vid/services/AsyncInstantiationBusinessLogicImpl.java b/vid-app-common/src/main/java/org/onap/vid/services/AsyncInstantiationBusinessLogicImpl.java
index c77eb8230..d1b475cb4 100644
--- a/vid-app-common/src/main/java/org/onap/vid/services/AsyncInstantiationBusinessLogicImpl.java
+++ b/vid-app-common/src/main/java/org/onap/vid/services/AsyncInstantiationBusinessLogicImpl.java
@@ -20,6 +20,9 @@
 
 package org.onap.vid.services;
 
+import static java.util.stream.Collectors.counting;
+import static java.util.function.Function.identity;
+import static java.util.stream.Collectors.groupingBy;
 import static org.apache.commons.lang3.ObjectUtils.defaultIfNull;
 import static org.onap.vid.controller.MsoController.SVC_INSTANCE_ID;
 import static org.onap.vid.controller.MsoController.VNF_INSTANCE_ID;
@@ -30,11 +33,16 @@ import java.io.IOException;
 import java.time.ZonedDateTime;
 import java.util.ArrayList;
 import java.util.Calendar;
+import java.util.Collection;
 import java.util.Date;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.UUID;
 import java.util.function.Consumer;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.hibernate.SessionFactory;
 import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
@@ -178,6 +186,28 @@ public class AsyncInstantiationBusinessLogicImpl implements
         return uuids;
     }
 
+    public  Map<String, Long> getSummarizedChildrenMap(ServiceInstantiation serviceInstantiation){
+        List<String> existingTypesList = new ArrayList<>();
+        Map<String, Long> existingTypesCounters;
+
+        existingTypesList = getChildrenList(serviceInstantiation, existingTypesList);
+        existingTypesCounters =  existingTypesList.stream().collect(groupingBy(identity(), counting()));
+
+        return existingTypesCounters;
+    }
+
+    private List<String> getChildrenList(BaseResource resource, List<String> list){
+        Collection<? extends BaseResource> children =  resource.getChildren();
+        if (CollectionUtils.isNotEmpty(children)){
+            children.forEach( child -> {
+                String childType = child.getModelInfo().getModelType();
+                getChildrenList(child, list);
+                list.add(childType);
+            });
+        }
+        return list;
+    }
+
     private ServiceInfo.ServiceAction getAction(ServiceInstantiation request) {
         if (request.getAction() == null) {
             //throw new GenericUncheckedException("Required 'action' field not provided at service level");