diff options
Diffstat (limited to 'UniversalVesAdapter/src/main/java/org/onap/universalvesadapter/dmaap/MRSubcriber/DMaaPMRSubscriber.java')
-rw-r--r-- | UniversalVesAdapter/src/main/java/org/onap/universalvesadapter/dmaap/MRSubcriber/DMaaPMRSubscriber.java | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/UniversalVesAdapter/src/main/java/org/onap/universalvesadapter/dmaap/MRSubcriber/DMaaPMRSubscriber.java b/UniversalVesAdapter/src/main/java/org/onap/universalvesadapter/dmaap/MRSubcriber/DMaaPMRSubscriber.java new file mode 100644 index 0000000..336e3dd --- /dev/null +++ b/UniversalVesAdapter/src/main/java/org/onap/universalvesadapter/dmaap/MRSubcriber/DMaaPMRSubscriber.java @@ -0,0 +1,56 @@ +/* + * ===============================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.onap.universalvesadapter.dmaap.MRSubcriber; + + + +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(); + + +} |