--- /dev/null
+/*-
+ * ================================================================================
+ * eCOMP Portal
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property
+ * ================================================================================
+ * 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.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ================================================================================
+ */
+
+package org.openecomp.portalapp.portal.service;
+
+import org.openecomp.portalapp.portal.domain.EPApp;
+
+public interface AppsCacheService {
+
+ /**
+ * returns an app by id from the cache
+ * @param appId
+ * @return corresponding App
+ */
+ EPApp getApp(Long appId);
+
+ /**
+ * returns the corresponding application endpoint
+ * @param appId
+ * @return if appId exists in cache, then return corresponding application endpoint, null otherwise.
+ */
+ String getAppEndpoint(Long appId);
+}