1 files changed, 50 insertions, 0 deletions
diff --git a/appc-client/client-lib/src/main/java/org/openecomp/appc/client/impl/core/RequestResponseHandler.java b/appc-client/client-lib/src/main/java/org/openecomp/appc/client/impl/core/RequestResponseHandler.java
new file mode 100644
index 000000000..7264e35f8
--- /dev/null
+++ b/appc-client/client-lib/src/main/java/org/openecomp/appc/client/impl/core/RequestResponseHandler.java
@@ -0,0 +1,50 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * 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.
+ * 
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.client.impl.core;
+
+interface RequestResponseHandler {
+
+    /**
+     * sends request, registers handler of response and start timer.
+     * @param request - Request
+     * @param corrId - correlation ID
+     * @param rpcName - RPC name
+     * @throws CoreException - @{@link CoreException}
+     */
+    void sendRequest(String request, String corrId, String rpcName) throws CoreException;
+
+    /**
+     * submits a handler task to task queue @{@link TaskQueue}, this task will be performed only if this handler is
+     * still existing in core registry @{@link CoreRegistry}, others timeout was occurred .
+     * @param ctx - Message Context @{@link MessageContext}
+     * @param response - Response from backend
+     */
+    void handleResponse(MessageContext ctx, String response);
+
+    /**
+     * handles timeout event
+     */
+    void onTimeOut();
+}