Use new FrozenCacheAdapter for schema cache

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@hustle/parse-server",
-  "version": "4.3.0-fast-roles-dedupe",
+  "version": "4.3.0-hustle4",
   "description": "An express module providing a Parse-compatible API server",
   "main": "lib/index.js",
   "repository": {

src/Adapters/Cache/FrozenCacheAdapter.js

@@ -0,0 +1,30 @@
+export class FrozenCacheAdapter {
+  constructor() {
+    this.cache = {};
+  }
+
+  get(key) {
+    const record = this.cache[key];
+    if (!record) {
+      return Promise.resolve(null);
+    }
+    return Promise.resolve(record);
+  }
+
+  // eslint-disable-next-line no-unused-vars
+  put(key, value, ttl) {
+    this.cache[key] = value;
+    return Promise.resolve();
+  }
+
+  del(key) {
+    delete this.cache[key];
+    return Promise.resolve();
+  }
+
+  clear() {
+    return Promise.resolve();
+  }
+}
+
+export default FrozenCacheAdapter;

src/Config.js

@@ -29,7 +29,7 @@ export class Config {
     Object.keys(cacheInfo).forEach(key => {
       if (key == 'databaseController') {
         const schemaCache = new SchemaCache(
-          cacheInfo.cacheController,
+          cacheInfo.schemaCacheController,
           cacheInfo.schemaCacheTTL,
           cacheInfo.enableSingleSchemaCache
         );
@@ -114,7 +114,9 @@ export class Config {
   }
 
   static validateIdempotencyOptions(idempotencyOptions) {
-    if (!idempotencyOptions) { return; }
+    if (!idempotencyOptions) {
+      return;
+    }
     if (idempotencyOptions.ttl === undefined) {
       idempotencyOptions.ttl = IdempotencyOptions.ttl.default;
     } else if (!isNaN(idempotencyOptions.ttl) && idempotencyOptions.ttl <= 0) {

src/Controllers/index.js

@@ -21,6 +21,7 @@ import SchemaCache from './SchemaCache';
 import { GridFSBucketAdapter } from '../Adapters/Files/GridFSBucketAdapter';
 import { WinstonLoggerAdapter } from '../Adapters/Logger/WinstonLoggerAdapter';
 import { InMemoryCacheAdapter } from '../Adapters/Cache/InMemoryCacheAdapter';
+import { FrozenCacheAdapter } from '../Adapters/Cache/FrozenCacheAdapter';
 import { AnalyticsAdapter } from '../Adapters/Analytics/AnalyticsAdapter';
 import MongoStorageAdapter from '../Adapters/Storage/Mongo/MongoStorageAdapter';
 import PostgresStorageAdapter from '../Adapters/Storage/Postgres/PostgresStorageAdapter';
@@ -39,6 +40,7 @@ export function getControllers(options: ParseServerOptions) {
     pushWorker,
   } = getPushController(options);
   const cacheController = getCacheController(options);
+  const schemaCacheController = getSchemaCacheController(options);
   const analyticsController = getAnalyticsController(options);
   const liveQueryController = getLiveQueryController(options);
   const databaseController = getDatabaseController(options, cacheController);
@@ -59,6 +61,7 @@ export function getControllers(options: ParseServerOptions) {
     pushControllerQueue,
     analyticsController,
     cacheController,
+    schemaCacheController,
     parseGraphQLController,
     liveQueryController,
     databaseController,
@@ -126,6 +129,12 @@ export function getUserController(options: ParseServerOptions): UserController {
   });
 }
 
+export function getSchemaCacheController(options: ParseServerOptions) {
+  const { appId } = options;
+  const cacheAdapter = new FrozenCacheAdapter();
+  return new CacheController(cacheAdapter, appId);
+}
+
 export function getCacheController(
   options: ParseServerOptions
 ): CacheController {