/
FireAndForgetCountingInterceptor.java
77 lines (60 loc) · 2.14 KB
/
FireAndForgetCountingInterceptor.java
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
/*
* Copyright 2002-2019 the original author or authors.
*
* 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
*
* https://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.
*/
package org.springframework.messaging.rsocket;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.atomic.AtomicInteger;
import io.rsocket.AbstractRSocket;
import io.rsocket.Payload;
import io.rsocket.RSocket;
import io.rsocket.plugins.RSocketInterceptor;
import io.rsocket.util.RSocketProxy;
import reactor.core.publisher.Mono;
/**
* Intercept received RSockets and count successfully completed requests seen
* on the server side. This is useful for verifying fire-and-forget
* interactions.
*
* @author Rossen Stoyanchev
*/
class FireAndForgetCountingInterceptor extends AbstractRSocket implements RSocketInterceptor {
private final List<CountingDecorator> rsockets = new CopyOnWriteArrayList<>();
public int getRSocketCount() {
return this.rsockets.size();
}
public int getFireAndForgetCount(int index) {
return this.rsockets.get(index).getFireAndForgetCount();
}
@Override
public RSocket apply(RSocket rsocket) {
CountingDecorator decorator = new CountingDecorator(rsocket);
this.rsockets.add(decorator);
return decorator;
}
private static class CountingDecorator extends RSocketProxy {
private final AtomicInteger fireAndForget = new AtomicInteger(0);
CountingDecorator(RSocket delegate) {
super(delegate);
}
public int getFireAndForgetCount() {
return this.fireAndForget.get();
}
@Override
public Mono<Void> fireAndForget(Payload payload) {
return super.fireAndForget(payload).doOnSuccess(aVoid -> this.fireAndForget.incrementAndGet());
}
}
}