1 files changed, 57 insertions, 0 deletions
diff --git a/dcae-analytics-dmaap/src/main/java/org/openecomp/dcae/apod/analytics/dmaap/service/subscriber/DMaaPMRSubscriber.java b/dcae-analytics-dmaap/src/main/java/org/openecomp/dcae/apod/analytics/dmaap/service/subscriber/DMaaPMRSubscriber.java
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+++ b/dcae-analytics-dmaap/src/main/java/org/openecomp/dcae/apod/analytics/dmaap/service/subscriber/DMaaPMRSubscriber.java
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+/*
+ * ===============================LICENSE_START======================================
+ *  dcae-analytics
+ * ================================================================================
+ *    Copyright © 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.dcae.apod.analytics.dmaap.service.subscriber;
+
+import org.openecomp.dcae.apod.analytics.dmaap.domain.config.DMaaPMRPublisherConfig;
+import org.openecomp.dcae.apod.analytics.dmaap.domain.response.DMaaPMRSubscriberResponse;
+
+import java.util.Date;
+
+/**
+ * <p>
+ *     DMaaP MR Subscriber can be used to subscribe messages from DMaaP MR Topics.
+ * <p>
+ *
+ * @author Rajiv Singla . Creation Date: 10/13/2016.
+ */
+public interface DMaaPMRSubscriber extends AutoCloseable {
+
+    /**
+     * Fetches Messages from DMaaP MR Topic. {@link DMaaPMRPublisherConfig} settings parameters
+     * for messageLimit and message timeout are used
+     *
+     * @return DMaaP Message Router Subscriber Response
+     */
+    DMaaPMRSubscriberResponse fetchMessages();
+
+
+    /**
+     * Returns the Subscriber instance creation time
+     * <p>
+     * NOTE: Due to DMaaP API Design - Subscribers can only fetch messages which
+     * are published to the topic after the creation of the Subscriber.
+     *
+     * @return creation time of Subscriber instance
+     */
+    Date getSubscriberCreationTime();
+
+
+}