1 /*******************************************************************************
2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Modifications Copyright © 2021 Orange.
8 * ================================================================================
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
21 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
23 *******************************************************************************/
25 package org.onap.dmaap.mr.client;
27 import java.io.IOException;
28 import java.util.List;
29 import java.util.concurrent.TimeUnit;
30 import org.onap.dmaap.mr.client.response.MRPublisherResponse;
33 * A MR batching publisher is a publisher with additional functionality
34 * for managing delayed sends.
38 public interface MRBatchingPublisher extends MRPublisher {
40 * Get the number of messages that have not yet been sent.
42 * @return the number of pending messages
44 int getPendingMessageCount();
47 * Close this publisher, sending any remaining messages.
49 * @param timeout an amount of time to wait for unsent messages to be sent
50 * @param timeoutUnits the time unit for the timeout arg
51 * @return a list of any unsent messages after the timeout
52 * @throws IOException exception
53 * @throws InterruptedException exception
55 List<Message> close(long timeout, TimeUnit timeoutUnits) throws IOException, InterruptedException;
57 MRPublisherResponse sendBatchWithResponse();