Fix to keep yang resource cache in sync

- Removed schemaset from cache when schemaset is deleted
- Added separate test cases for yang resource cache

Issue-ID: CPS-864
Signed-off-by: Renu Kumari <renu.kumari@bell.ca>
Change-Id: Ie1f9978406de1c92b513549216873cba4a98cdd7

2 files changed, 25 insertions, 20 deletions

diff --git a/cps-service/src/main/java/org/onap/cps/api/impl/CpsModuleServiceImpl.java b/cps-service/src/main/java/org/onap/cps/api/impl/CpsModuleServiceImpl.java
index e96781786..ffcc5a22f 100644
--- a/cps-service/src/main/java/org/onap/cps/api/impl/CpsModuleServiceImpl.java
+++ b/cps-service/src/main/java/org/onap/cps/api/impl/CpsModuleServiceImpl.java
@@ -25,6 +25,7 @@ package org.onap.cps.api.impl;
 import java.util.Collection;
 import java.util.List;
 import java.util.Map;
+import lombok.AllArgsConstructor;
 import org.onap.cps.api.CpsAdminService;
 import org.onap.cps.api.CpsModuleService;
 import org.onap.cps.spi.CascadeDeleteAllowed;
@@ -38,25 +39,12 @@ import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
 @Service("CpsModuleServiceImpl")
+@AllArgsConstructor
 public class CpsModuleServiceImpl implements CpsModuleService {
 
-    private CpsModulePersistenceService cpsModulePersistenceService;
-    private YangTextSchemaSourceSetCache yangTextSchemaSourceSetCache;
-    private CpsAdminService cpsAdminService;
-
-    /**
-     * Create an instance of CpsModuleServiceImpl.
-     *
-     * @param cpsModulePersistenceService  cpsModulePersistenceService
-     * @param yangTextSchemaSourceSetCache yangTextSchemaSourceSetCache
-     * @param cpsAdminService              cpsAdminService
-     */
-    public CpsModuleServiceImpl(final CpsModulePersistenceService cpsModulePersistenceService,
-        final YangTextSchemaSourceSetCache yangTextSchemaSourceSetCache, final CpsAdminService cpsAdminService) {
-        this.cpsModulePersistenceService = cpsModulePersistenceService;
-        this.yangTextSchemaSourceSetCache = yangTextSchemaSourceSetCache;
-        this.cpsAdminService = cpsAdminService;
-    }
+    private final CpsModulePersistenceService cpsModulePersistenceService;
+    private final YangTextSchemaSourceSetCache yangTextSchemaSourceSetCache;
+    private final CpsAdminService cpsAdminService;
 
     @Override
     public void createSchemaSet(final String dataspaceName, final String schemaSetName,
@@ -96,6 +84,7 @@ public class CpsModuleServiceImpl implements CpsModuleService {
             cpsAdminService.deleteAnchor(dataspaceName, anchor.getName());
         }
         cpsModulePersistenceService.deleteSchemaSet(dataspaceName, schemaSetName);
+        yangTextSchemaSourceSetCache.removeFromCache(dataspaceName, schemaSetName);
         cpsModulePersistenceService.deleteUnusedYangResourceModules();
     }
 
diff --git a/cps-service/src/main/java/org/onap/cps/api/impl/YangTextSchemaSourceSetCache.java b/cps-service/src/main/java/org/onap/cps/api/impl/YangTextSchemaSourceSetCache.java
index 859dab9a9..03b52a308 100644
--- a/cps-service/src/main/java/org/onap/cps/api/impl/YangTextSchemaSourceSetCache.java
+++ b/cps-service/src/main/java/org/onap/cps/api/impl/YangTextSchemaSourceSetCache.java
@@ -1,12 +1,14 @@
 /*
- *  ============LICENSE_START=======================================================
+ * ============LICENSE_START=======================================================
  *  Copyright (C) 2021 Pantheon.tech
+ *  Modifications Copyright (C) 2022 Bell Canada
  *  ================================================================================
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
  *        http://www.apache.org/licenses/LICENSE-2.0
+ *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -26,6 +28,7 @@ import org.onap.cps.yang.YangTextSchemaSourceSet;
 import org.onap.cps.yang.YangTextSchemaSourceSetBuilder;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.cache.annotation.CacheConfig;
+import org.springframework.cache.annotation.CacheEvict;
 import org.springframework.cache.annotation.CachePut;
 import org.springframework.cache.annotation.Cacheable;
 import org.springframework.stereotype.Service;
@@ -57,8 +60,8 @@ public class YangTextSchemaSourceSetCache {
     /**
      * Updates cache YangTextSchemaSourceSet.
      *
-     * @param dataspaceName dataspace name
-     * @param schemaSetName schema set name
+     * @param dataspaceName           dataspace name
+     * @param schemaSetName           schema set name
      * @param yangTextSchemaSourceSet yangTextSchemaSourceSet
      * @return YangTextSchemaSourceSet
      */
@@ -68,4 +71,17 @@ public class YangTextSchemaSourceSetCache {
             final YangTextSchemaSourceSet yangTextSchemaSourceSet) {
         return yangTextSchemaSourceSet;
     }
+
+
+    /**
+     * Remove the cached value for the given dataspace and schema-set.
+     *
+     * @param dataspaceName dataspace name
+     * @param schemaSetName schema set name
+     */
+    @CacheEvict(key = "#p0.concat('-').concat(#p1)")
+    public void removeFromCache(final String dataspaceName, final String schemaSetName) {
+        // Spring provides implementation for removing object from cache
+    }
+
 }