Skip to main content

rocketmq_protocol/protocol/header/
query_correction_offset_header.rs

1// Copyright 2023 The RocketMQ Rust Authors
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15use cheetah_string::CheetahString;
16use rocketmq_macros::RequestHeaderCodec;
17use serde::Deserialize;
18use serde::Serialize;
19
20use crate::rpc::topic_request_header::TopicRequestHeader;
21
22#[derive(Clone, Debug, Default, Serialize, Deserialize, RequestHeaderCodec)]
23#[header(
24    type_id = "rocketmq_protocol::protocol::header::query_correction_offset_header::QueryCorrectionOffsetHeader",
25    java_class = "org.apache.rocketmq.remoting.protocol.header.QueryCorrectionOffsetHeader"
26)]
27#[serde(rename_all = "camelCase")]
28pub struct QueryCorrectionOffsetHeader {
29    pub filter_groups: Option<CheetahString>,
30    #[header(required)]
31    pub compare_group: CheetahString,
32    #[header(required)]
33    pub topic: CheetahString,
34    #[serde(flatten)]
35    #[header(flatten, presence = "always")]
36    pub topic_request_header: Option<TopicRequestHeader>,
37}
38
39#[cfg(test)]
40mod tests {
41    use cheetah_string::CheetahString;
42
43    use super::QueryCorrectionOffsetHeader;
44
45    #[test]
46    fn query_correction_offset_header_round_trips() {
47        let header = QueryCorrectionOffsetHeader {
48            filter_groups: Some(CheetahString::from_static_str("group-a,group-b")),
49            compare_group: CheetahString::from_static_str("group-c"),
50            topic: CheetahString::from_static_str("topic-a"),
51            topic_request_header: None,
52        };
53
54        let json = serde_json::to_string(&header).expect("serialize query correction offset header");
55        let decoded: QueryCorrectionOffsetHeader =
56            serde_json::from_str(&json).expect("deserialize query correction offset header");
57        assert_eq!(decoded.filter_groups.as_deref(), Some("group-a,group-b"));
58        assert_eq!(decoded.compare_group, "group-c");
59        assert_eq!(decoded.topic, "topic-a");
60    }
61}