1 /*******************************************************************************
2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 * ============LICENSE_END=========================================================
19 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
21 *******************************************************************************/
22 package com.att.dmf.mr.backends;
24 import java.io.IOException;
25 import java.util.ArrayList;
26 import java.util.List;
28 import org.apache.kafka.clients.producer.ProducerRecord;
30 import com.att.dmf.mr.beans.LogDetails;
33 * A publisher interface. Publishers receive messages and post them to a topic.
36 public interface Publisher
39 * A message interface. The message has a key and a body.
42 public interface message
45 * Get the key for this message. The key is used to partition messages
46 * into "sub-streams" that have guaranteed order. The key can be null,
47 * which means the message can be processed without any concern for order.
49 * @return a key, possibly null
54 * Get the message body.
55 * @return a message body
59 * set the logging params for transaction enabled logging
62 void setLogDetails (LogDetails logDetails);
64 * Get the log details for transaction enabled logging
67 LogDetails getLogDetails ();
70 * boolean transactionEnabled
73 boolean isTransactionEnabled();
75 * Set the transaction enabled flag from prop file or topic based implementation
76 * @param transactionEnabled
78 void setTransactionEnabled(boolean transactionEnabled);
82 * Send a single message to a topic. Equivalent to sendMessages with a list of size 1.
87 public void sendMessage ( String topic, message msg ) throws IOException;
90 * Send messages to a topic.
95 public void sendMessages ( String topic, List<? extends message> msgs ) throws IOException;
97 public void sendBatchMessageNew(String topic ,ArrayList<ProducerRecord<String,String>> kms) throws IOException;
98 public void sendMessagesNew( String topic, List<? extends message> msgs ) throws IOException;