Adding delete endpoint for vnf

Change-Id: If982dcf160096329df2918a38afc41ee3f322085
Issue-ID: SO-2342
Signed-off-by: waqas.ikram <waqas.ikram@est.tech>

3 files changed, 36 insertions, 0 deletions

diff --git a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/controller/GenericVnfsController.java b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/controller/GenericVnfsController.java
index 64284b5f..43fe47da 100644
--- a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/controller/GenericVnfsController.java
+++ b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/controller/GenericVnfsController.java
@@ -45,6 +45,7 @@ import org.springframework.http.HttpHeaders;
 import org.springframework.http.HttpMethod;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
@@ -194,4 +195,21 @@ public class GenericVnfsController {
         return ResponseEntity.ok(genericVnfs);
     }
 
+    @DeleteMapping(value = "/generic-vnf/{vnf-id}", produces = {MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
+    public ResponseEntity<?> deleteGenericVnf(@PathVariable("vnf-id") final String vnfId,
+            @RequestParam(name = "resource-version") final String resourceVersion, final HttpServletRequest request) {
+        LOGGER.info("Will delete GenericVnf for 'vnf-id': {} and 'resource-version': {}", vnfId, resourceVersion);
+
+        if (cacheServiceProvider.deleteGenericVnf(vnfId, resourceVersion)) {
+            LOGGER.info("Successfully delete GenericVnf from cache for 'vnf-id': {} and 'resource-version': {}", vnfId,
+                    resourceVersion);
+            return ResponseEntity.noContent().build();
+        }
+
+        LOGGER.error("Unable to delete GenericVnf for 'vnf-id': {} and 'resource-version': {} ...", vnfId,
+                resourceVersion);
+        return getRequestErrorResponseEntity(request, GENERIC_VNF);
+
+    }
+
 }
diff --git a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/service/providers/GenericVnfCacheServiceProvider.java b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/service/providers/GenericVnfCacheServiceProvider.java
index 8dd19cfa..901c2594 100644
--- a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/service/providers/GenericVnfCacheServiceProvider.java
+++ b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/service/providers/GenericVnfCacheServiceProvider.java
@@ -47,5 +47,7 @@ public interface GenericVnfCacheServiceProvider extends Clearable {
 
     List<GenericVnf> getGenericVnfs(final String selflink);
 
+    boolean deleteGenericVnf(final String vnfId, final String resourceVersion);
+
 
 }
diff --git a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/service/providers/GenericVnfCacheServiceProviderImpl.java b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/service/providers/GenericVnfCacheServiceProviderImpl.java
index 81a74f25..3a12dfdc 100644
--- a/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/service/providers/GenericVnfCacheServiceProviderImpl.java
+++ b/plans/so/integration-etsi-testing/so-simulators/aai-simulator/src/main/java/org/onap/so/aaisimulator/service/providers/GenericVnfCacheServiceProviderImpl.java
@@ -214,6 +214,22 @@ public class GenericVnfCacheServiceProviderImpl extends AbstractCacheServiceProv
         return Collections.emptyList();
     }
 
+    @Override
+    public boolean deleteGenericVnf(final String vnfId, final String resourceVersion) {
+        final Optional<GenericVnf> optional = getGenericVnf(vnfId);
+        if (optional.isPresent()) {
+            final GenericVnf genericVnf = optional.get();
+            if (genericVnf.getResourceVersion() != null && genericVnf.getResourceVersion().equals(resourceVersion)) {
+                final Cache cache = getCache(GENERIC_VNF_CACHE.getName());
+                LOGGER.info("Will evict GenericVnf from cache with vnfId: {}", genericVnf.getVnfId());
+                cache.evict(vnfId);
+                return true;
+            }
+        }
+        LOGGER.error("Unable to find GenericVnf for vnfId: {} and resourceVersion: {} ...", vnfId, resourceVersion);
+        return false;
+    }
+
     private Relationship getRelationship(final String relatedLink, final GenericVnf genericVnf) {
         final Relationship relationShip = new Relationship();
         relationShip.setRelatedTo(GENERIC_VNF);