--- /dev/null
+/*******************************************************************************\r
+ * ============LICENSE_START==================================================\r
+ * * org.onap.dmaap\r
+ * * ===========================================================================\r
+ * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.\r
+ * * ===========================================================================\r
+ * * Licensed under the Apache License, Version 2.0 (the "License");\r
+ * * you may not use this file except in compliance with the License.\r
+ * * You may obtain a copy of the License at\r
+ * * \r
+ * * http://www.apache.org/licenses/LICENSE-2.0\r
+ * * \r
+ * * Unless required by applicable law or agreed to in writing, software\r
+ * * distributed under the License is distributed on an "AS IS" BASIS,\r
+ * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+ * * See the License for the specific language governing permissions and\r
+ * * limitations under the License.\r
+ * * ============LICENSE_END====================================================\r
+ * *\r
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.\r
+ * *\r
+ ******************************************************************************/\r
+\r
+\r
+package org.onap.dmaap.datarouter.node;\r
+\r
+/**\r
+ * Interface to allow independent testing of the DeliveryTask code.\r
+ * <p>\r
+ * This interface represents all the configuraiton information and\r
+ * feedback mechanisms that a delivery task needs.\r
+ */\r
+\r
+public interface DeliveryTaskHelper {\r
+ /**\r
+ * Report that a delivery attempt failed due to an exception (like can't connect to remote host)\r
+ * @param task The task that failed\r
+ * @param exception The exception that occurred\r
+ */\r
+ public void reportException(DeliveryTask task, Exception exception);\r
+ /**\r
+ * Report that a delivery attempt completed (successfully or unsuccessfully)\r
+ * @param task The task that failed\r
+ * @param status The HTTP status\r
+ * @param xpubid The publish ID from the far end (if any)\r
+ * @param location The redirection location for a 3XX response\r
+ */\r
+ public void reportStatus(DeliveryTask task, int status, String xpubid, String location);\r
+ /**\r
+ * Report that a delivery attempt either failed while sending data or that an error was returned instead of a 100 Continue.\r
+ * @param task The task that failed\r
+ * @param sent The number of bytes sent or -1 if an error was returned instead of 100 Continue.\r
+ */\r
+ public void reportDeliveryExtra(DeliveryTask task, long sent);\r
+ /**\r
+ * Get the destination information for the delivery queue\r
+ * @return The destination information\r
+ */\r
+ public DestInfo getDestInfo();\r
+ /**\r
+ * Given a file ID, get the URL to deliver to\r
+ * @param fileid The file id\r
+ * @return The URL to deliver to\r
+ */\r
+ public String getDestURL(String fileid);\r
+ /**\r
+ * Get the feed ID for a subscription\r
+ * @param subid The subscription ID\r
+ * @return The feed iD\r
+ */\r
+ public String getFeedId(String subid);\r
+}\r