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.Collection;
31 * A MR publishing interface.
33 public interface MRPublisher extends MRClient {
35 * A simple message container.
38 public Message(String partition, String msg) {
39 fPartition = partition == null ? "" : partition;
42 throw new IllegalArgumentException("Can't send a null message.");
46 public Message(Message msg) {
47 this(msg.fPartition, msg.fMsg);
50 public final String fPartition;
51 public final String fMsg;
55 * Send the given message without partition. partition will be placed at HTTP request level.
57 * @param msg message to sent
58 * @return the number of pending messages
59 * @throws IOException exception
61 int send(String msg) throws IOException;
64 * Send the given message using the given partition.
66 * @param partition partition
68 * @return the number of pending messages
69 * @throws IOException exception
71 int send(String partition, String msg) throws IOException;
74 * Send the given message using its partition.
77 * @return the number of pending messages
78 * @throws IOException exp
80 int send(Message msg) throws IOException;
83 * Send the given messages using their partitions.
86 * @return the number of pending messages
87 * @throws IOException exp
89 int send(Collection<Message> msgs) throws IOException;
92 * Close this publisher. It's an error to call send() after close()