blob: 1d377865f47fe297fec5380f80aeb56abe98dcce (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/*
* ===============================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.publisher;
import org.openecomp.dcae.apod.analytics.common.exception.DCAEAnalyticsRuntimeException;
import org.openecomp.dcae.apod.analytics.dmaap.domain.config.DMaaPMRPublisherConfig;
import org.openecomp.dcae.apod.analytics.dmaap.domain.response.DMaaPMRPublisherResponse;
import java.util.Date;
import java.util.List;
/**
* <p>
* DMaaP MR Publisher can be used to publish messages to DMaaP MR Topics.
* <p>
*
* @author Rajiv Singla . Creation Date: 10/13/2016.
*/
public interface DMaaPMRPublisher extends AutoCloseable {
/**
* <p>
* Adds collection of messages to DMaaP MR Topic Publishing Queue.
* <p>
* Note: Invoking this method may or may not cause publishing immediately
* as publishing in done is batch mode by default. Parameter maxBatchSize
* in {@link DMaaPMRPublisherConfig} is used to determine max batch queue size.
* If the maxBatchSize is reached all message will be published automatically
* during subsequent call.
* </p>
*
* @param messages messages to publish to DMaaP MR Publisher
* @return response which may contain Http Response code 202 (Accepted) as publishing
* will proceed when max batch size is reached. Throws {@link DCAEAnalyticsRuntimeException}
* if publishing fails
*/
DMaaPMRPublisherResponse publish(List<String> messages);
/**
* <p>
* Forces publishing of messages to DMaaP MR Topic and returns {@link DMaaPMRPublisherResponse}
* which can be inspected for HTTP status code of publishing call to DMaaP MR Topic.
* </p>
*
* @param messages messages to publish to DMaaP MR Publisher
* @return DMaaP Message Router Publisher Response. Throws {@link DCAEAnalyticsRuntimeException}
* if force publishing fails
*
*/
DMaaPMRPublisherResponse forcePublish(List<String> messages);
/**
* <p>
* Forces publishing of messages in Publisher queue to DMaaP MR Topic and returns
* {@link DMaaPMRPublisherResponse}.If there are no messages were in the queue to
* be flushed response code 304 (Not Modified) will be returned
* </p>
*
* @return DMaaP Message Router Publisher Response
*/
DMaaPMRPublisherResponse flush();
/**
* <p>
* Returns the creation time when Publisher instance was created.
* <p>
*
* @return creation time of Subscriber instance
*/
Date getPublisherCreationTime();
}
|