1 files changed, 70 insertions, 0 deletions
diff --git a/appc-adapters/appc-dmaap-adapter/appc-message-adapter-api/src/main/java/org/openecomp/appc/adapter/message/Consumer.java b/appc-adapters/appc-dmaap-adapter/appc-message-adapter-api/src/main/java/org/openecomp/appc/adapter/message/Consumer.java
new file mode 100644
index 000000000..e99f884a2
--- /dev/null
+++ b/appc-adapters/appc-dmaap-adapter/appc-message-adapter-api/src/main/java/org/openecomp/appc/adapter/message/Consumer.java
@@ -0,0 +1,70 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : APP-C
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.adapter.message;
+
+import java.util.List;
+
+public interface Consumer {
+
+    /**
+     * Gets a batch of messages from the topic. Defaults to 1000 messages with 15s wait for messages if empty.
+     * 
+     * @return A list of strings representing the messages pulled from the topic.
+     */
+    public List<String> fetch();
+
+    /**
+     * Gets a batch of messages from the topic.
+     * 
+     * @param waitMs
+     *            The amount of time to wait in milliseconds if the topic is empty for data to be written. Should be no
+     *            less than 15000ms to prevent too many requests
+     * @param limit
+     *            The amount of messages to fetch
+     * @return A list of strings representing the messages pulled from the topic.
+     */
+    public List<String> fetch(int waitMs, int limit);
+
+    /**
+     * Updates the api credentials for making authenticated requests
+     * 
+     * @param apiKey
+     *            The public key to authenticate with
+     * @param apiSecret
+     *            The secret key to authenticate with
+     */
+    public void updateCredentials(String apiKey, String apiSecret);
+
+    /**
+     * Creates a dmaap client using a https connection
+     * 
+     * @param yes
+     *            True if https should be used, false otherwise
+     */
+    public void useHttps(boolean yes);
+
+    /**
+     * Closes the dmaap client https connection
+     */
+    void close();
+
+}